[ { "key": "DCA4ZMFX", "version": 3515, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/DCA4ZMFX", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/DCA4ZMFX", "type": "text/html" } }, "meta": { "createdByUser": { "id": 806099, "username": "MarthaBD", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/marthabd", "type": "text/html" } } }, "lastModifiedByUser": { "id": 1603306, "username": "Dirk Sandmann", "name": "Dirk Sandmann", "links": { "alternate": { "href": "https://www.zotero.org/dirk_sandmann", "type": "text/html" } } }, "creatorSummary": "Blaskovich", "parsedDate": "2013", "numChildren": 0 }, "data": { "key": "DCA4ZMFX", "version": 3515, "itemType": "thesis", "title": "Characterizing waste rock using automated quantitative electron microscopy", "creators": [ { "creatorType": "author", "firstName": "Randy J.", "lastName": "Blaskovich" } ], "abstractNote": "The leaching of metals from waste rock is directly related to the mineralogical composition of the rock. The overall study objective was to evaluate the application of automated quantitative electron microscopy to weathering waste rock. The value of mineral liberation analysis in optimizing mineral processing operations has been well documented. Application of automated mineralogical techniques, such as the Mineral Liberation Analyzer, to environmental studies is less common with no waste rock characterization studies found that specifically use the Mineral Liberation Analyzer. Mineral Liberation Analyzer methodology limitations and advantages were explored in the context of detection and quantification of primary and secondary metal-associated mineral phases. Mineral Liberation Analyzer application to waste rock weathering studies was assessed using laboratory, field cell, and experimental pile samples which were separated into particle-size fractions. Mineral Liberation Analyzer characterization included bulk modal and metal-associated mineralogy, size distribution, and mineral liberation, association, and exposure or availability (to weathering processes) and mineralogical features useful to an environmental modeller. The Mineral Liberation Analyzer consisted of a FEI Quanta 600 scanning electron microscope equipped with dual Bruker-AXS silicon drift detectors, tungsten filament and proprietary software. The Mineral Liberation Analyzer demonstrated characterization of Antamina mine waste rock which would aid the understanding of weathering processes at this and other sites, such as tailings and heap leach activity. Important mineralogical and elemental features determined were: availability / exposure, particle / grain size and shape, association (such as locking and potential mineral-mineral interactions), quantity and type (such as crystal structure reactivity), fractures and porosity. The scope of this study does not extend to linking lithology to secondary mineralogy. The Mineral Liberation Analyzer, in conjunction with geochemistry, particle surface analysis tools, chemical speciation modeling and diagnostic sequential leach can advance waste rock characterization, to improve mitigation strategies for waste rock drainage.", "thesisType": "Master Thesis; Master of Applied Science - MASc", "university": "University of British Columbia", "place": "Vancouver, BC, Canada", "date": "2013", "series": "", "seriesNumber": "", "numPages": "", "DOI": "", "ISBN": "", "citationKey": "", "url": "https://circle.ubc.ca/handle/2429/44496?show=full", "accessDate": "2013-07-04T00:17:59Z", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "Google Scholar", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2013-07-04T00:17:59Z", "dateModified": "2014-10-23T15:00:15Z" } }, { "key": "JXQ4T3R3", "version": 3508, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/JXQ4T3R3", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/JXQ4T3R3", "type": "text/html" } }, "meta": { "createdByUser": { "id": 1603306, "username": "Dirk Sandmann", "name": "Dirk Sandmann", "links": { "alternate": { "href": "https://www.zotero.org/dirk_sandmann", "type": "text/html" } } }, "creatorSummary": "Buckwalter-Davis", "parsedDate": "2013", "numChildren": 0 }, "data": { "key": "JXQ4T3R3", "version": 3508, "itemType": "thesis", "title": "Automated Mineral Analysis of Mine Waste", "creators": [ { "creatorType": "author", "firstName": "Martha", "lastName": "Buckwalter-Davis" } ], "abstractNote": "Mineral Liberation Analyzer (MLA) is an automated mineralogical system originally developed to characterize ore and mill feeds for the metallurgical processing industry. Its ability to quantitatively characterize solid and particulate material, including whole rock thin sections, waste rock, tailings, soil, and sediments, has led to increasing applications in other industries. The software uses back-scatter electron imagery and energy dispersive X-ray analysis to analyze each particle’s shape, size, and mineralogical information. Energy dispersive X-ray data are compared to a user-generated Mineral Reference Library consisting of known phases and corresponding EDS spectra to classify each particle. MLA is used in this study to provide quantitative assessments of mining-related environmental samples to answer questions regarding mineralogical controls on bioaccessibility, metal leaching/acid rock drainage potential, and anthropogenic influence. Six tailings samples from the New Calumet Mine in Quebec, Canada, were analyzed using MLA. Gastric Pb bioaccessibility testing and total metal content performed on these samples indicated that Pb bioaccessibility in the <250 micron size fraction was not directly correlated with the total Pb concentration. This suggested that there were mineralogical and/or physical controls on bioaccessibility. MLA was used to quantify the relative proportions of cerussite, a highly bioaccessible Pb carbonate, and galena, a lower bioaccessibility Pb sulfide. Liberation and particle size were also analyzed as controls on bioaccessibility. Sample GD-VEG1 (highest bioaccessibility) has the highest ratio of cerussite to galena, the smallest particle size, and the most liberated Pb-bearing particles. The New Calumet tailings were also analyzed using static testing, a suite of laboratory tests used by environmental scientists and mine operators to operationally define acid rock drainage and metal leaching potential. Modal mineralogy obtained from MLA analysis was used to calculate neutralization potential (NP) and acid potential (AP), taking into account the presence of iron carbonate minerals and iron-bearing sulfides other than pyrite. Results are within several units of those obtained by static testing. Two Ni-impacted soil samples collected from the region of Kalgoorlie, Australia were characterized using MLA. Previous studies had focused on bioaccessibility and sequential extraction testing and minor mineralogical work. Preliminary XANES characterization conflicted with mineralogy predicted from sequential extraction and EMPA and MLA were used to quantitatively characterize major Ni-bearing phases and resolve previous discrepancies.", "thesisType": "Master Thesis", "university": "Queen's University", "place": "Kingston, Ontario, Canada", "date": "2013", "series": "", "seriesNumber": "", "numPages": "", "DOI": "", "ISBN": "", "citationKey": "", "url": "http://qspace.library.queensu.ca/handle/1974/8200", "accessDate": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2014-10-23T13:41:10Z", "dateModified": "2014-10-23T13:41:10Z" } }, { "key": "RIBQCV2E", "version": 3552, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/RIBQCV2E", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/RIBQCV2E", "type": "text/html" } }, "meta": { "createdByUser": { "id": 1603306, "username": "Dirk Sandmann", "name": "Dirk Sandmann", "links": { "alternate": { "href": "https://www.zotero.org/dirk_sandmann", "type": "text/html" } } }, "creatorSummary": "Anderson", "parsedDate": "2014", "numChildren": 0 }, "data": { "key": "RIBQCV2E", "version": 3552, "itemType": "thesis", "title": "Geometallurgical Evaluation of the Nkout (Cameroon) and Putu (Liberia) Iron Ore Deposits", "creators": [ { "creatorType": "author", "firstName": "Kelvin Frederick Esebewa", "lastName": "Anderson" } ], "abstractNote": "The Nkout (Cameroon) and Putu (Liberia) oxide facies iron ore deposits comprise fresh magnetite banded iron formation (BIF) at depth, which weathers towards the surface, forming high grade martite–goethite ores. This study aimed to improve the mineralogical understanding of these deposits in order to predict their metallurgical responses. It concentrated on developing the QEMSCAN® technique and testing its application to these ore types, but also used a variety of other analysis methods. The QEMSCAN® species identification protocol was developed to include three goethite entries: goethite/limonite, phosphorus-bearing and aluminium-bearing goethite. QEMSCAN® was also used to distinguish between the iron oxides using their backscattered electron signals. To test the correlation between the mineralogy and metallurgical characteristics, magnetic separations were carried out. The samples were divided into 4 main groups based on their whole rock Fe content, determined by XRF analysis, and their degree of weathering: enriched material, weathered magnetite itabirite, transitional magnetite itabirite and magnetite itabirite. Quartz and Al oxide and hydroxide minerals such as gibbsite are the major gangue minerals in the magnetite BIF and martite–goethite ores respectively. From the QEMSCAN® analysis it was concluded that the iron oxides are closely associated and liberation of them individually is poor. Liberation increases when they are grouped together as iron oxide. Chamosite concentrations > 6 wt. % significantly lower liberation of the iron oxides. From the metallurgical testing, it was concluded that iron oxide modal mineralogy gives an indication of iron recovery but other QEMSCAN® data such as mineral association and liberation could be important especially if the iron oxide minerals are not liberated. Grain size and instrument characteristics also affect recovery of iron minerals. There is no evidence to show that there is any structural control on the BIF mineralisation at Nkout because metamorphism has significantly affected the lithological characteristics. The BIF mineralised zones occur as stacks with no particular stratigraphic relationship. Alteration and stratigraphy are the main controls on the martite–goethite ores. These results are applicable to most other BIFs so that as direct shipping ores are exhausted, the approach used here can help to develop the lower grade portions of the deposits.", "thesisType": "PhD Thesis", "university": "University of Exeter", "place": "", "date": "2014", "series": "", "seriesNumber": "", "numPages": "", "DOI": "", "ISBN": "", "citationKey": "", "url": "https://ore.exeter.ac.uk/repository/handle/10871/15019", "accessDate": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "", "callNumber": "", "rights": "", "extra": "This item is under Embargo until: 2015-12-16", "tags": [ { "tag": "Automated Mineralogy" }, { "tag": "QEMSCAN®" }, { "tag": "geometallurgy" }, { "tag": "iron ore" }, { "tag": "iron oxides" }, { "tag": "material characterisation" } ], "collections": [], "relations": {}, "dateAdded": "2014-10-23T10:30:14Z", "dateModified": "2014-10-23T10:34:47Z" } }, { "key": "TKCHXEHG", "version": 3500, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/TKCHXEHG", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/TKCHXEHG", "type": "text/html" } }, "meta": { "createdByUser": { "id": 5116, "username": "haberlah", "name": "David Haberlah", "links": { "alternate": { "href": "https://www.zotero.org/haberlah", "type": "text/html" } } }, "lastModifiedByUser": { "id": 1603306, "username": "Dirk Sandmann", "name": "Dirk Sandmann", "links": { "alternate": { "href": "https://www.zotero.org/dirk_sandmann", "type": "text/html" } } }, "creatorSummary": "Morrison", "parsedDate": "2000", "numChildren": 0 }, "data": { "key": "TKCHXEHG", "version": 3500, "itemType": "conferencePaper", "title": "Applying image analysis to process control - from blasting to flotation.", "creators": [ { "creatorType": "author", "firstName": "R.D.", "lastName": "Morrison" }, { "creatorType": "editor", "firstName": "J.A.", "lastName": "Herbst" } ], "abstractNote": "The ever-increasing power (and decreasing cost) of computers has opened up substantial oppor¬tunities for 'Vision'-based systems in both on-line and off-line control. This paper reviews image analysis applications in use at the Julius Kruttschnitt Mineral Research Centre (JKMRC) for: •blast and mill feed size monitoring; •AG/SAG mill model-based control; •mineral liberation; and •froth flotation control. The SPLIT™ image analysis system is being used to estimate muck pile and ROM feed sizings. AG/SAG mill feed sizing is being used in a dynamic model for mill control. A new generation mineral liberation analyzer has been developed with Philips Electron Optics. The Philips-JKMRC mineral liberation analyzer offers a substantial improvement in resolution and speed over previous developments. While on-line liberation control continues to be something of a pipe dream, measuring liberation \"one shift behind\" is now feasible. A robust instrument has been developed to measure flotation froth bubble size and velocity. The instrument also derives a parameter that allows different froth textures to be distinguished. The instrument has been used for on-line control in coal and sulfide flotation. For coal froth, an online ash estimate has been achieved at one site and is being tested at other sites. Overall, image analysis is finding many applications in mineral processing and control.", "proceedingsTitle": "Control 2000 - Mineral and Metallurgical Processing", "conferenceName": "", "publisher": "SME", "place": "Colorado, USA", "date": "2000", "eventPlace": "", "volume": "", "issue": "", "numberOfVolumes": "", "pages": "51-58", "series": "", "seriesNumber": "", "DOI": "", "ISBN": "0-87335-197-5", "citationKey": "", "url": "http://espace.library.uq.edu.au/view/UQ:147580", "accessDate": "2011-03-01T04:24:02Z", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2011-03-01T04:24:02Z", "dateModified": "2014-10-22T11:57:20Z" } }, { "key": "RZKUZTUU", "version": 3499, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/RZKUZTUU", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/RZKUZTUU", "type": "text/html" } }, "meta": { "createdByUser": { "id": 5116, "username": "haberlah", "name": "David Haberlah", "links": { "alternate": { "href": "https://www.zotero.org/haberlah", "type": "text/html" } } }, "lastModifiedByUser": { "id": 1603306, "username": "Dirk Sandmann", "name": "Dirk Sandmann", "links": { "alternate": { "href": "https://www.zotero.org/dirk_sandmann", "type": "text/html" } } }, "creatorSummary": "Baum", "parsedDate": "2014", "numChildren": 0 }, "data": { "key": "RZKUZTUU", "version": 3499, "itemType": "journalArticle", "title": "Ore characterization, process mineralogy and lab automation a roadmap for future mining", "creators": [ { "creatorType": "author", "firstName": "W.", "lastName": "Baum" } ], "abstractNote": "", "publicationTitle": "Minerals Engineering", "publisher": "", "place": "", "date": "2014", "volume": "60", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "69-73", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "10.1016/j.mineng.2013.11.008", "citationKey": "", "url": "http://linkinghub.elsevier.com/retrieve/pii/S0892687513003798", "accessDate": "2014-02-19T03:24:35Z", "PMID": "", "PMCID": "", "ISSN": "08926875", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "CrossRef", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2014-02-19T03:24:35Z", "dateModified": "2014-10-22T11:48:01Z" } }, { "key": "T8TB28EW", "version": 3473, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/T8TB28EW", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/T8TB28EW", "type": "text/html" } }, "meta": { "createdByUser": { "id": 5116, "username": "haberlah", "name": "David Haberlah", "links": { "alternate": { "href": "https://www.zotero.org/haberlah", "type": "text/html" } } }, "lastModifiedByUser": { "id": 1603306, "username": "Dirk Sandmann", "name": "Dirk Sandmann", "links": { "alternate": { "href": "https://www.zotero.org/dirk_sandmann", "type": "text/html" } } }, "creatorSummary": "Gianfagna", "parsedDate": "2011", "numChildren": 0 }, "data": { "key": "T8TB28EW", "version": 3473, "itemType": "book", "title": "Periodico di Mineralogia Vol. 80, 3 - December 2011", "creators": [ { "creatorType": "author", "firstName": "Antonio", "lastName": "Gianfagna" } ], "abstractNote": "", "series": "", "seriesNumber": "", "volume": "", "numberOfVolumes": "", "edition": "", "date": "2011", "publisher": "Edizioni Nuova Cultura", "place": "", "originalDate": "", "originalPublisher": "", "originalPlace": "", "format": "", "numPages": "216", "ISBN": "9788861347724", "DOI": "", "citationKey": "", "url": "", "accessDate": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "en", "libraryCatalog": "Google Books", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2013-02-27T01:28:38Z", "dateModified": "2014-10-22T10:53:53Z" } }, { "key": "K8Q42E46", "version": 3467, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/K8Q42E46", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/K8Q42E46", "type": "text/html" } }, "meta": { "createdByUser": { "id": 1603306, "username": "Dirk Sandmann", "name": "Dirk Sandmann", "links": { "alternate": { "href": "https://www.zotero.org/dirk_sandmann", "type": "text/html" } } }, "creatorSummary": "Allan and Lynch", "parsedDate": "1983", "numChildren": 0 }, "data": { "key": "K8Q42E46", "version": 3467, "itemType": "journalArticle", "title": "Characterization of the behavior of composite particles in a lead-zinc flotation circuit", "creators": [ { "creatorType": "author", "firstName": "R. W.", "lastName": "Allan" }, { "creatorType": "author", "firstName": "A. J.", "lastName": "Lynch" } ], "abstractNote": "The computerized scanning electron microscope system (QEM*SEM) as developed for characterizing whole mineral particles by the CSIRO Division of Mineral Chemistry, Institute of Energy and Earth Resources, has proved to be a very useful tool in the analysis of products and intermediate samples in the Lead-Zinc Concentrator of Mount Isa Mines Limited. Two examples of the application of the method are given in the present paper.\n\nThe analysis of final cleaner concentrates from two distinct ore blends has indicated that in each case most of the galena in the 10–37μm size range is fully or nearly fully liberated. This proportion decreased down the third cleaner cell bank.\n\nCoarser particles, in the 37–53μm size range, were shown to have smaller proportions of galena in the highly liberated galena classes.\n\nThe remainder of the galena in each case is spread over the lower galena classes, which become increasingly interlocked with gangue.\n\nSignificant proportions of gangue, both sulphide and non-sulphide were also found to be free or almost free from interlocking with galena, especially in the 10–37μm size fraction. Thus lack of selectivity, as well as composite particle flotation, is seen to be responsible for downgrading of lead third cleaner concentrates.\n\nIn addition, the QEM*SEM technique has shown that the distribution of galena intergrowth in lead first cleaner tailings is spread over most composite classes, more akin to regrind/retreat particles than to lead primary rougher tail particles.\n\nThus QEM*SEM provides a valuable method in the mineral industry of today of measuring the relative degree of liberation of ground ore or flotation products, and the extent of dilution of concentrates by non-selective flotation of liberated gangue. Full liberation is not always desirable because of the cost of grinding to the finest sizes and because non-selective dilution of concentrates by fine liberated gangue often increases. QEM*SEM can also play a useful role in deciding the best destination for intermediate concentrator streams.", "publicationTitle": "Particulate Science and Technology", "publisher": "", "place": "", "date": "04/1983", "volume": "1", "issue": "2", "section": "", "partNumber": "", "partTitle": "", "pages": "155-164", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "10.1080/02726358308906362", "citationKey": "", "url": "http://www.tandfonline.com/doi/abs/10.1080/02726358308906362", "accessDate": "2013-12-23T06:38:41Z", "PMID": "", "PMCID": "", "ISSN": "0272-6351, 1548-0046", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "CrossRef", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2013-12-23T06:38:41Z", "dateModified": "2014-10-21T13:50:05Z" } }, { "key": "J2ASFZFT", "version": 3477, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/J2ASFZFT", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/J2ASFZFT", "type": "text/html" } }, "meta": { "createdByUser": { "id": 1603306, "username": "Dirk Sandmann", "name": "Dirk Sandmann", "links": { "alternate": { "href": "https://www.zotero.org/dirk_sandmann", "type": "text/html" } } }, "creatorSummary": "Edwards and Butcher", "parsedDate": "1999", "numChildren": 0 }, "data": { "key": "J2ASFZFT", "version": 3477, "itemType": "report", "title": "A new application for QEMSCAN – quantifying the mineralogy of drill cuttings from oil and gas exploration and production wells", "creators": [ { "creatorType": "author", "firstName": "G. V.", "lastName": "Edwards" }, { "creatorType": "author", "firstName": "A. R.", "lastName": "Butcher" } ], "abstractNote": "", "reportNumber": "DMR-1140", "reportType": "CSIRO Report", "institution": "", "place": "", "date": "1999", "seriesTitle": "", "seriesNumber": "", "pages": "97", "DOI": "", "ISBN": "", "citationKey": "", "url": "", "accessDate": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2013-12-23T23:32:43Z", "dateModified": "2014-10-21T12:01:16Z" } }, { "key": "PM3ZKKJG", "version": 3458, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/PM3ZKKJG", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/PM3ZKKJG", "type": "text/html" } }, "meta": { "createdByUser": { "id": 806099, "username": "MarthaBD", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/marthabd", "type": "text/html" } } }, "lastModifiedByUser": { "id": 1603306, "username": "Dirk Sandmann", "name": "Dirk Sandmann", "links": { "alternate": { "href": "https://www.zotero.org/dirk_sandmann", "type": "text/html" } } }, "creatorSummary": "Jambor et al.", "parsedDate": "2002", "numChildren": 0 }, "data": { "key": "PM3ZKKJG", "version": 3458, "itemType": "journalArticle", "title": "Static tests of neutralization potentials of silicate and aluminosilicate minerals", "creators": [ { "creatorType": "author", "firstName": "J.", "lastName": "Jambor" }, { "creatorType": "author", "firstName": "J.", "lastName": "Dutrizac" }, { "creatorType": "author", "firstName": "L.", "lastName": "Groat" }, { "creatorType": "author", "firstName": "Mati", "lastName": "Raudsepp" } ], "abstractNote": "", "publicationTitle": "Environmental Geology", "publisher": "", "place": "", "date": "2002", "volume": "43", "issue": "1", "section": "", "partNumber": "", "partTitle": "", "pages": "1–17", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "10.1007/s00254-002-0615-y", "citationKey": "", "url": "http://www.springerlink.com.proxy.queensu.ca/index/6MNGMVLR26TM8C66.pdf", "accessDate": "2013-02-15T20:11:01Z", "PMID": "", "PMCID": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "Google Scholar", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2013-02-15T20:11:01Z", "dateModified": "2014-10-21T11:39:40Z" } }, { "key": "FKDV2GDW", "version": 3457, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/FKDV2GDW", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/FKDV2GDW", "type": "text/html" } }, "meta": { "createdByUser": { "id": 5116, "username": "haberlah", "name": "David Haberlah", "links": { "alternate": { "href": "https://www.zotero.org/haberlah", "type": "text/html" } } }, "lastModifiedByUser": { "id": 1603306, "username": "Dirk Sandmann", "name": "Dirk Sandmann", "links": { "alternate": { "href": "https://www.zotero.org/dirk_sandmann", "type": "text/html" } } }, "creatorSummary": "Hammond", "parsedDate": "2014", "numChildren": 0 }, "data": { "key": "FKDV2GDW", "version": 3457, "itemType": "thesis", "title": "Recovery of value-added products from red mud and foundry bag-house dust", "creators": [ { "creatorType": "author", "firstName": "Keegan", "lastName": "Hammond" } ], "abstractNote": "\"Waste is wasted if you waste it, otherwise it is a resource. Resource is wasted if you ignore it and do not conserve it with holistic best practices and reduce societal costs. Resource is for the transformation of people and society.\"1 Red mud is a worldwide problem with reserves in the hundreds of millions of tons and tens of millions of tons being added annually. Currently there is not an effective way to deal with this byproduct of the Bayer Process, the primary means of refining bauxite ore in order to provide alumina. This alumina is then treated by electrolysis using the Hall-Héroult process to produce elemental aluminum. The resulting mud is a mixture of solid and metallic oxides, and has proven to be a great disposal problem. This disposal problem is compounded by the fact that the typical bauxite processing plant produces up to three times as much red mud as alumina. Current practice of disposal is to store red mud in retention ponds until an economical fix can be discovered. The danger associated with this current method of storage is immense to the surrounding communities and environment, thus the interest from the Center for Resource Recovery and Recycling (CR3). The purpose of this document is to explain one way to remove the value added materials, primarily iron, from the Jamaican red mud using both pyrometallurgical and hydrometallurgical approaches. In the beginning, soda ash and carbon roasting were completed simultaneously at 800°C. This type of roasting produced results that were unacceptable. After the soda ash roast was completed independently of carbon roasting, a water wash produced results that separations of alumina at 90%, Iron at 99%, calcium at 99%, titanium t 100%, and sodium by 74%. Smelting produced separations of 97% for alumina, 99% for iron, 87% for sodium, 94% for calcium and 72% for titanium.", "thesisType": "Master of Science (M.S.)", "university": "Colorado School of Mines", "place": "", "date": "2014", "series": "", "seriesNumber": "", "numPages": "107", "DOI": "", "ISBN": "", "citationKey": "", "url": "http://hdl.handle.net/11124/261", "accessDate": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "eng", "libraryCatalog": "", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2014-02-14T02:18:14Z", "dateModified": "2014-10-20T20:54:24Z" } }, { "key": "T4AJPW2P", "version": 3450, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/T4AJPW2P", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/T4AJPW2P", "type": "text/html" } }, "meta": { "createdByUser": { "id": 5116, "username": "haberlah", "name": "David Haberlah", "links": { "alternate": { "href": "https://www.zotero.org/haberlah", "type": "text/html" } } }, "lastModifiedByUser": { "id": 1603306, "username": "Dirk Sandmann", "name": "Dirk Sandmann", "links": { "alternate": { "href": "https://www.zotero.org/dirk_sandmann", "type": "text/html" } } }, "creatorSummary": "Pirrie et al.", "parsedDate": "2009", "numChildren": 0 }, "data": { "key": "T4AJPW2P", "version": 3450, "itemType": "journalArticle", "title": "Role of automated mineral analysis in the characterisation of mining-related contaminated land", "creators": [ { "creatorType": "author", "firstName": "D.", "lastName": "Pirrie" }, { "creatorType": "author", "firstName": "G. K.", "lastName": "Rollinson" }, { "creatorType": "author", "firstName": "M. R.", "lastName": "Power" } ], "abstractNote": "The characterisation of soils or sediments contaminated as a result of historical metal mining activity is commonly carried out either by analysing the bulk geochemistry, or through methods which are aimed at assessing the biologically available component of the contaminant, such as physiologically based extraction techniques (P-BET tests). However, an understanding of the mineralogy or phase composition of particulate contaminants is critical in understanding both the long term geochemical stability of the contaminated sediments/soils, and also the development of potential remediation strategies, where required. Providing statistically robust mineralogical datasets based on traditional techniques is commonly difficult. However, modern advanced automated SEM-EDS mineral analysis systems have considerable potential in the characterisation of contaminated soils/sediments. Six sediment samples collected from a single shallow core, recovered from the Hayle Estuary, Cornwall, UK have been analysed using QEMSCAN® automated SEM-EDS analysis. This estuary was significantly contaminated as a result of the release of mine waste tailings, principally from tin, copper, arsenic and zinc mining operations particularly between the 1850s and the 1890s. The samples analysed contain between ~2 and 6% sulphide and other ore minerals. In addition, there are significant depth-related changes in the overall bulk mineralogy of the samples reflecting the change in sediment supply to the estuary. For some elements (e.g. Sn) there is a reasonable correspondence between the measured bulk geochemistry of the sediments, with calculated elemental concentrations based on the measured mineralogical data. In this case study, Sn is probably occurring in cassiterite and possibly Sn slags and is relatively geochemically immobile. Other elements, such as arsenic and zinc show greater variance between the calculated elemental concentrations and the measured bulk chemistry, although the down-core trends are consistent. This can be interpreted as reflecting the increased geochemical mobility of these elements, resulting in them being under-reported. The data from automated mineralogy are however, extremely relevant in the assessment of metal contaminated land.", "publicationTitle": "Geoscience in South-West England", "publisher": "", "place": "", "date": "2009", "volume": "12", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "162-170", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "", "citationKey": "", "url": "", "accessDate": "", "PMID": "", "PMCID": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "", "callNumber": "", "rights": "", "extra": "", "tags": [ { "tag": "QEMSCAN" }, { "tag": "contamination" }, { "tag": "environmental mineralogy" } ], "collections": [], "relations": {}, "dateAdded": "2011-09-18T23:50:11Z", "dateModified": "2014-10-20T16:09:01Z" } }, { "key": "B6GBSQ4T", "version": 3446, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/B6GBSQ4T", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/B6GBSQ4T", "type": "text/html" } }, "meta": { "createdByUser": { "id": 1603306, "username": "Dirk Sandmann", "name": "Dirk Sandmann", "links": { "alternate": { "href": "https://www.zotero.org/dirk_sandmann", "type": "text/html" } } }, "creatorSummary": "Dobbe et al.", "parsedDate": "2009", "numChildren": 0 }, "data": { "key": "B6GBSQ4T", "version": 3446, "itemType": "conferencePaper", "title": "Scanning electron beam-based automated mineralogy - outline of technology and selected applications in the natural resources industry", "creators": [ { "creatorType": "author", "firstName": "R.", "lastName": "Dobbe" }, { "creatorType": "author", "firstName": "P.", "lastName": "Gottlieb" }, { "creatorType": "author", "firstName": "Y.", "lastName": "Gu" }, { "creatorType": "author", "firstName": "A.R.", "lastName": "Butcher" }, { "creatorType": "author", "firstName": "R.", "lastName": "Fandrich" }, { "creatorType": "author", "firstName": "H.", "lastName": "Lemmens" } ], "abstractNote": "", "proceedingsTitle": "", "conferenceName": "11th Workshop of the European Microbeam Analysis Society (EMAS) on Modern Developments and Applications in Microbeam Analysis, 10‑14 May 2009", "publisher": "European Microbeam Analysis Society", "place": "Gdynia, Poland", "date": "2009", "eventPlace": "", "volume": "", "issue": "", "numberOfVolumes": "", "pages": "169-189", "series": "", "seriesNumber": "", "DOI": "", "ISBN": "", "citationKey": "", "url": "http://www.emas-web.net/Content/EMAS09/BoA_Lemmens.pdf", "accessDate": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2014-01-02T07:10:47Z", "dateModified": "2014-10-20T14:19:15Z" } }, { "key": "EEDXWU29", "version": 3433, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/EEDXWU29", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/EEDXWU29", "type": "text/html" } }, "meta": { "createdByUser": { "id": 5116, "username": "haberlah", "name": "David Haberlah", "links": { "alternate": { "href": "https://www.zotero.org/haberlah", "type": "text/html" } } }, "lastModifiedByUser": { "id": 1603306, "username": "Dirk Sandmann", "name": "Dirk Sandmann", "links": { "alternate": { "href": "https://www.zotero.org/dirk_sandmann", "type": "text/html" } } }, "creatorSummary": "Howard and Lovell", "parsedDate": "2011", "numChildren": 0 }, "data": { "key": "EEDXWU29", "version": 3433, "itemType": "conferencePaper", "title": "Mineral distribution in reservoir rocks and its impact on Enhanced Oil Recovery", "creators": [ { "creatorType": "author", "firstName": "J.J.", "lastName": "Howard" }, { "creatorType": "author", "firstName": "G.L.", "lastName": "Lovell" } ], "abstractNote": "Estimates of bulk mineralogy and the relationships in their distribution relative to other grains and pores were done with SEM-based data acquisition and image analysis software. Minerals are identified by their EDS spectra, with varying degrees of tolerance allowed in the assignment to account for compositional variability and acquisition conditions. The bulk mineralogy results are robust when compared with conventional XRD-generated values. Image processing and analysis generated mineral- specific grain-size distributions and nearest neighbor information. The key result is the identification of the mineralogy that is adjacent to pore space. Clay minerals are easily distinguished from other aluminosilicates and are often the predominant mineralogy lining the pore walls. A series of low-salinity waterflood tests on sandstones with uniform total clay mineral contents showed increased oil production in samples with higher clay mineral concentrations adjacent to the pores.", "proceedingsTitle": "", "conferenceName": "International Symposium of the Society of Core Analysts 18-21 September, 2011", "publisher": "", "place": "Austin, Texas, USA", "date": "2011", "eventPlace": "", "volume": "SCA2011-57", "issue": "", "numberOfVolumes": "", "pages": "6", "series": "", "seriesNumber": "", "DOI": "", "ISBN": "", "citationKey": "", "url": "http://www.scaweb.org/assets/papers/2011_papers/SCA2011-57.pdf", "accessDate": "2013-03-13T03:33:41Z", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2013-03-13T03:33:41Z", "dateModified": "2014-10-19T09:17:30Z" } }, { "key": "7GUJS72C", "version": 3420, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/7GUJS72C", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/7GUJS72C", "type": "text/html" } }, "meta": { "createdByUser": { "id": 5116, "username": "haberlah", "name": "David Haberlah", "links": { "alternate": { "href": "https://www.zotero.org/haberlah", "type": "text/html" } } }, "lastModifiedByUser": { "id": 1603306, "username": "Dirk Sandmann", "name": "Dirk Sandmann", "links": { "alternate": { "href": "https://www.zotero.org/dirk_sandmann", "type": "text/html" } } }, "creatorSummary": "Wightman and Evans", "parsedDate": "2014", "numChildren": 0 }, "data": { "key": "7GUJS72C", "version": 3420, "itemType": "journalArticle", "title": "Representing and interpreting the liberation spectrum in a processing context", "creators": [ { "creatorType": "author", "firstName": "E.M.", "lastName": "Wightman" }, { "creatorType": "author", "firstName": "C.L.", "lastName": "Evans" } ], "abstractNote": "The compositional distribution of a population of particles is often referred to as the liberation spectrum. The challenge is to sensibly represent the vast amount of information contained in the liberation spectrum in a format that can be interpreted in a processing context. This paper describes one approach that can be used to represent the liberation spectrum, from compositional data obtained from automated SEM-based systems, and discusses how ore characteristics, such as mineral grade and grain size and distribution, can be interpreted. Ores from five different locations are compared using pyrite as the mineral of interest to demonstrate the approach. How this data might be used in a mineral processing context is also discussed, specifically with reference to how this approach may be used to determine grinding targets for separation processes.", "publicationTitle": "Minerals Engineering", "publisher": "", "place": "", "date": "2014", "volume": "61", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "121-125", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "10.1016/j.mineng.2013.12.012", "citationKey": "", "url": "http://linkinghub.elsevier.com/retrieve/pii/S089268751300397X", "accessDate": "2014-01-10T16:29:38Z", "PMID": "", "PMCID": "", "ISSN": "08926875", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "CrossRef", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2014-01-10T16:29:38Z", "dateModified": "2014-10-17T13:51:48Z" } }, { "key": "C9TI6Z2W", "version": 3416, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/C9TI6Z2W", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/C9TI6Z2W", "type": "text/html" } }, "meta": { "createdByUser": { "id": 5116, "username": "haberlah", "name": "David Haberlah", "links": { "alternate": { "href": "https://www.zotero.org/haberlah", "type": "text/html" } } }, "creatorSummary": "O'Driscoll et al.", "parsedDate": "2014", "numChildren": 0 }, "data": { "key": "C9TI6Z2W", "version": 3416, "itemType": "journalArticle", "title": "New insights into precious metal enrichment on the Isle of Rum, Scotland", "creators": [ { "creatorType": "author", "firstName": "Brian", "lastName": "O'Driscoll" }, { "creatorType": "author", "firstName": "Alan R.", "lastName": "Butcher" }, { "creatorType": "author", "firstName": "Rais", "lastName": "Latypov" } ], "abstractNote": "", "publicationTitle": "Geology Today", "publisher": "", "place": "", "date": "2014", "volume": "30", "issue": "4", "section": "", "partNumber": "", "partTitle": "", "pages": "134–141", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "", "citationKey": "", "url": "http://onlinelibrary.wiley.com/doi/10.1111/gto.12059/full", "accessDate": "2014-08-05T05:57:56Z", "PMID": "", "PMCID": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "Google Scholar", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2014-08-05T05:57:56Z", "dateModified": "2014-08-05T05:57:56Z" } }, { "key": "W9QJAFTF", "version": 3471, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/W9QJAFTF", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/W9QJAFTF", "type": "text/html" } }, "meta": { "createdByUser": { "id": 1603306, "username": "Dirk Sandmann", "name": "Dirk Sandmann", "links": { "alternate": { "href": "https://www.zotero.org/dirk_sandmann", "type": "text/html" } } }, "creatorSummary": "King", "parsedDate": "1983", "numChildren": 0 }, "data": { "key": "W9QJAFTF", "version": 3471, "itemType": "conferencePaper", "title": "Stereological Methods for the Prediction and Measurement of Mineral Liberation", "creators": [ { "creatorType": "author", "firstName": "R.P.", "lastName": "King" } ], "abstractNote": "", "proceedingsTitle": "ICAM 81 Proceedings of the First International Congress on Applied Mineralogy", "conferenceName": "", "publisher": "The Geological Society of South Africa", "place": "", "date": "1983", "eventPlace": "", "volume": "", "issue": "", "numberOfVolumes": "", "pages": "443-447", "series": "Special Publication Series of The Geological Society of South Africa", "seriesNumber": "", "DOI": "", "ISBN": "0620065893", "citationKey": "", "url": "", "accessDate": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2013-12-23T06:20:00Z", "dateModified": "2014-06-20T00:05:23Z" } }, { "key": "EUB8UJEP", "version": 3405, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/EUB8UJEP", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/EUB8UJEP", "type": "text/html" } }, "meta": { "createdByUser": { "id": 1862631, "username": "avanrythoven", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/avanrythoven", "type": "text/html" } } }, "creatorSummary": "Sciortino et al.", "parsedDate": "2013-10-02", "numChildren": 0 }, "data": { "key": "EUB8UJEP", "version": 3405, "itemType": "journalArticle", "title": "Geometallurgical Modelling of the Dumont Deposit", "creators": [ { "creatorType": "author", "firstName": "M", "lastName": "Sciortino" }, { "creatorType": "author", "firstName": "J", "lastName": "Muinonen" }, { "creatorType": "author", "firstName": "J", "lastName": "Korscak" }, { "creatorType": "author", "firstName": "A", "lastName": "St-Jean" } ], "abstractNote": "The Dumont deposit is a large (1179 Mt reserve), low-grade (0.27 per cent nickel) nickel sulfide project located in the Abitibi region 25 km west of Amos, Quebec. Royal Nickel Corporation (RNC)acquired the project in 2007 and has since taken the deposit through to feasibility. The disseminated nickel sulfide and alloy mineralisation is hosted within the serpentinised dunite subzone of the Dumont Sill; a differentiated, pervasively serpentinised, ultramafic sill of komatiitic affinity. Pentlandite ((Ni,Fe)9S8), heazlewoodite (Ni3S2) and awaruite (Ni2.5Fe) are the dominant nickel-bearing metallic phases and can be recovered by conventional methods (flotation, magnetic separation).\nNon-recoverable nickel is also present within serpentine and olivine of the silicate matrix. A detailed mineralogical program including 1420 QEMSCAN® samples and 4400 electron\nmicroprobe points was undertaken to increase the understanding of the nickel deportment in the various recoverable and non-recoverable phases in a spatial context across the deposit. A total\nof 105 metallurgical tests have been performed under a standard procedure which have linked the mineralogy to metallurgical performance. This has allowed the creation and modelling\nof geometallurgical domains on a block-by-block basis to understand the recovery variation and metallurgical performance throughout the deposit. Understanding the spatial variability\nof Ni deportment in recoverable and non-recoverable phases through mineralogy is the key to understanding metallurgical performance, thus unlocking the value of the Dumont deposit and other large tonnage low-grade ultramafic nickel deposits.", "publicationTitle": "The Second AusIMM International Geometallurgy Conference, Brisbane, Queensland", "publisher": "", "place": "", "date": "October 2, 2013", "volume": "", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "8", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "", "citationKey": "", "url": "", "accessDate": "", "PMID": "", "PMCID": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "", "callNumber": "", "rights": "", "extra": "", "tags": [ { "tag": "QEMSCAN" }, { "tag": "Quebec" }, { "tag": "geometallurgy" }, { "tag": "nickel" }, { "tag": "recovery" }, { "tag": "serpentinite" } ], "collections": [], "relations": {}, "dateAdded": "2014-03-25T15:12:33Z", "dateModified": "2014-03-25T15:12:33Z" } }, { "key": "DDZ9NXD2", "version": 3406, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/DDZ9NXD2", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/DDZ9NXD2", "type": "text/html" } }, "meta": { "createdByUser": { "id": 5116, "username": "haberlah", "name": "David Haberlah", "links": { "alternate": { "href": "https://www.zotero.org/haberlah", "type": "text/html" } } }, "creatorSummary": "Solling et al.", "parsedDate": "2014", "numChildren": 0 }, "data": { "key": "DDZ9NXD2", "version": 3406, "itemType": "conferencePaper", "title": "3D imaging of porosity modifying phases in Shuaiba Reservoir, Al Shaheen Field", "creators": [ { "creatorType": "author", "firstName": "T", "lastName": "Solling" }, { "creatorType": "author", "firstName": "X", "lastName": "Marquez" }, { "creatorType": "author", "firstName": "S", "lastName": "Finlay" }, { "creatorType": "author", "firstName": "N", "lastName": "Bounoua" }, { "creatorType": "author", "firstName": "T", "lastName": "McKay" }, { "creatorType": "author", "firstName": "A", "lastName": "Fogden" } ], "abstractNote": "Carbonate reservoir rocks often possess highly complex pore spaces, exhibiting extreme heterogeneity in the size, shape and connectivity of their pores at multiple scales. These variable features strongly impact oil recovery and pose severe challenges to reliable measurement and simulation of flow properties. As a complement to parallel studies of the plugs by conventional petrographic and core analysis techniques, a set of samples from four wells in the Shuaiba reservoir of the Al Shaheen field was analysed by 2D mineral mapping (from QEMSCAN) of polished plug sections, and by 3D tomographic mapping (from micro-CT) of subsampled mini-plugs, as a complement to parallel studies of the plugs by conventional petrographic and core analysis techniques. QEMSCAN showed a high variability in measured porosity and pyrite content over all sampled length scales, from millimetres (across the polished plug faces) to feet (with depth in a given well) to kilometres (across the four wells). The porosity from QEMSCAN was generally found to be in good agreement with that measured on the conventional plugs. Two mini-plugs of 5 mm diameter were scanned using helical micro-CT, one of which was subsequently analysed to segment the macropores, microporosity, calcite and pyrite. Comparison with the QEMSCAN results from the section of the \"parent?? plug showed consistency in estimated porosity and pyrite content between the two methods. Simulations of conductivity and absolute permeability were performed on subvolumes of the segmented tomogram, and displayed a strong variability with the location and size of the chosen subvolume, although the overall trends remained in good agreement with core analysis.", "proceedingsTitle": "IPTC-17673-MS", "conferenceName": "International Petroleum Technology Conference, 19-22 January, Doha, Qatar", "publisher": "", "place": "Doha", "date": "2014", "eventPlace": "", "volume": "", "issue": "", "numberOfVolumes": "", "pages": "16", "series": "", "seriesNumber": "", "DOI": "", "ISBN": "978-1-61399-235-7", "citationKey": "", "url": "https://www.onepetro.org/conference-paper/IPTC-17673-MS", "accessDate": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2014-02-19T05:06:54Z", "dateModified": "2014-02-19T05:13:40Z" } }, { "key": "HGWFBGCS", "version": 3406, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/HGWFBGCS", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/HGWFBGCS", "type": "text/html" } }, "meta": { "createdByUser": { "id": 5116, "username": "haberlah", "name": "David Haberlah", "links": { "alternate": { "href": "https://www.zotero.org/haberlah", "type": "text/html" } } }, "creatorSummary": "Steadman et al.", "parsedDate": "2014", "numChildren": 0 }, "data": { "key": "HGWFBGCS", "version": 3406, "itemType": "journalArticle", "title": "Paragenesis and composition of ore minerals in the Randalls BIF-hosted gold deposits, Yilgarn Craton, Western Australia: Implications for the timing of deposit formation and constraints on gold sources", "creators": [ { "creatorType": "author", "firstName": "Jeffrey A.", "lastName": "Steadman" }, { "creatorType": "author", "firstName": "Ross R.", "lastName": "Large" }, { "creatorType": "author", "firstName": "Garry J.", "lastName": "Davidson" }, { "creatorType": "author", "firstName": "Stuart W.", "lastName": "Bull" }, { "creatorType": "author", "firstName": "Jay", "lastName": "Thompson" }, { "creatorType": "author", "firstName": "Trevor R.", "lastName": "Ireland" }, { "creatorType": "author", "firstName": "Peter", "lastName": "Holden" } ], "abstractNote": "The Randalls district comprises three individual gold deposits – Cock-Eyed Bob, Maxwells, and Santa-Craze – hosted in the same unit of banded iron-formation (BIF) in the southern Eastern Goldfields Superterrane, Yilgarn Craton, Western Australia. The iron formation is a silicate/oxide-facies unit with overprinting sulfides, and has undergone metamorphism (upper-greenschist facies) and deformation (two generations of folds). The gold deposits are hosted in two structural locations: hinge zones of anticlinal folds (e.g., Santa-Craze and Maxwells) and overturned, steeply dipping limbs of anticlinal folds (e.g., Cock-Eyed Bob). Gold dominantly occurs as inclusions of native gold and/or electrum within or around pyrrhotite, magnetite, and arsenopyrite.\n\nThe earliest mineral assemblage preserved in the banded iron formation at Randalls is banded magnetite–quartz. Magnetite in all forms has elevated Mg, Al, Ti, V, Mn, Cr, Zn, and W, but very low Ni compared to other BIFs globally. Pyrrhotite, the most abundant sulfide, is restricted to ore zones and occurs as laminae, “blebs”, and veinlets, all of which have replaced magnetite. Some pyrrhotite in the hydrothermally altered BIFs (especially in near-surface samples) has been re-sulfidized to pyrite. Trace elements associated with pyrrhotite include Co, Ni, Ag, Sb, and Pb. Large, coarse-grained arsenopyrite overgrows the pyrrhotite-defined foliation; it is enriched in Co, Ni, Sb, and Te, but contains very little ‘invisible’ gold (<0.01 ppm Au), unlike arsenopyrite in many orogenic Au systems globally (commonly ≥0.1 ppm Au).\n\nPetrographic studies of several mineralized BIFs from Randalls reveal that pyrrhotite and arsenopyrite are associated with Fe(-Ca) amphibole, which grew during contact metamorphism caused by granite plutons. This spatial sulfide–amphibole relationship indicates that gold mineralization likely occurred during granite intrusion, consistent with prior studies on Randalls. The trace element characteristics of the sulfides show that they were not inherited from replaced magnetite. Further, these characteristics suggest that the fluid from which sulfides crystallized was not indigenous to the BIFs, and that this S-rich fluid either contained S in abundance originally, or interacted with a lithology/lithologies that were rich in S before reaching the BIFs. Black shale containing diagenetic nodular pyrite occurs in the upper Black Flag Group, which unconformably underlies the Belches Supersequence at depth (∼3 km). The trace element composition of nodular pyrite from this unit fits well with the trace element characteristics of the BIF pyrrhotite and arsenopyrite, and the nodular pyrite contains an average of 0.5 ppm Au. However, the nodular pyrites have an average δ34S value of 5.6‰ (n = 13), which contrasts markedly with the δ34S average of pyrrhotite, pyrite and arsenopyrite in mineralized BIFs (0.8‰, n = 17). Thus, a definitive source of gold, arsenic, silver, and tellurium in the Randalls system remains elusive, although we would contend that the upper Black Flag Group should be considered as a possible metal and S source in areas of the Yilgarn where it forms a thick substrate to ore camps.", "publicationTitle": "Precambrian Research", "publisher": "", "place": "", "date": "2014", "volume": "243", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "110-132", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "10.1016/j.precamres.2014.01.002", "citationKey": "", "url": "http://linkinghub.elsevier.com/retrieve/pii/S0301926814000217", "accessDate": "2014-02-19T05:04:10Z", "PMID": "", "PMCID": "", "ISSN": "03019268", "archive": "", "archiveLocation": "", "shortTitle": "Paragenesis and composition of ore minerals in the Randalls BIF-hosted gold deposits, Yilgarn Craton, Western Australia", "language": "", "libraryCatalog": "CrossRef", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2014-02-19T05:04:10Z", "dateModified": "2014-02-19T05:04:56Z" } }, { "key": "IBEQRQB3", "version": 3406, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/IBEQRQB3", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/IBEQRQB3", "type": "text/html" } }, "meta": { "createdByUser": { "id": 5116, "username": "haberlah", "name": "David Haberlah", "links": { "alternate": { "href": "https://www.zotero.org/haberlah", "type": "text/html" } } }, "creatorSummary": "Ruiz et al.", "parsedDate": "2014", "numChildren": 0 }, "data": { "key": "IBEQRQB3", "version": 3406, "itemType": "journalArticle", "title": "Galvanic Effect of Pyrite on Chalcopyrite Leaching in Sulfate-Chloride Media", "creators": [ { "creatorType": "author", "firstName": "M. C.", "lastName": "Ruiz" }, { "creatorType": "author", "firstName": "K. S.", "lastName": "Montes" }, { "creatorType": "author", "firstName": "R.", "lastName": "Padilla" } ], "abstractNote": "Chalcopyrite concentrate and mixtures of pyrite/chalcopyrite were leached in H2SO4- NaCl-O2 solutions to assess the effect of pyrite on the chalcopyrite dissolution rate in this media. The results showed that the addition of pyrite increases the dissolution rate of chalcopyrite at short leaching times but the catalytic effect of pyrite decreases as the reaction progresses. Based on the experimental evidence it was concluded that the presence of pyrite in the leaching of chalcopyrite in H2SO4- NaCl-O2 solutions enhances the dissolution of copper through a galvanic interaction between pyrite and chalcopyrite. Additions of ferrous sulfate also increase chalcopyrite leaching rate effectively.", "publicationTitle": "Mineral Processing and Extractive Metallurgy Review", "publisher": "", "place": "", "date": "2014", "volume": "", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "10.1080/08827508.2013.868349", "citationKey": "", "url": "http://www.tandfonline.com/doi/abs/10.1080/08827508.2013.868349", "accessDate": "2014-02-19T05:01:29Z", "PMID": "", "PMCID": "", "ISSN": "0882-7508, 1547-7401", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "CrossRef", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2014-02-19T05:01:29Z", "dateModified": "2014-02-19T05:02:43Z" } }, { "key": "UAP8ZST3", "version": 3406, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/UAP8ZST3", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/UAP8ZST3", "type": "text/html" } }, "meta": { "createdByUser": { "id": 5116, "username": "haberlah", "name": "David Haberlah", "links": { "alternate": { "href": "https://www.zotero.org/haberlah", "type": "text/html" } } }, "creatorSummary": "Rieuwerts et al.", "parsedDate": "2014", "numChildren": 0 }, "data": { "key": "UAP8ZST3", "version": 3406, "itemType": "journalArticle", "title": "Geochemistry and mineralogy of arsenic in mine wastes and stream sediments in a historic metal mining area in the UK", "creators": [ { "creatorType": "author", "firstName": "J.S.", "lastName": "Rieuwerts" }, { "creatorType": "author", "firstName": "K.", "lastName": "Mighanetara" }, { "creatorType": "author", "firstName": "C.B.", "lastName": "Braungardt" }, { "creatorType": "author", "firstName": "G.K.", "lastName": "Rollinson" }, { "creatorType": "author", "firstName": "D.", "lastName": "Pirrie" }, { "creatorType": "author", "firstName": "F.", "lastName": "Azizi" } ], "abstractNote": "Mining generates large amounts of waste which may contain potentially toxic elements (PTE), which, if released into the wider environment, can cause air, water and soil pollution long after mining operations have ceased. The fate and toxicological impact of PTEs are determined by their partitioning and speciation and in this study, the concentrations and mineralogy of arsenic in mine wastes and stream sediments in a former metal mining area of the UK are investigated. Pseudo-total (aqua-regia extractable) arsenic concentrations in all samples from the mining area exceeded background and guideline values by 1–5 orders of magnitude, with a maximum concentration in mine wastes of 1.8 × 105 mg kg− 1 As and concentrations in stream sediments of up to 2.5 × 104 mg kg− 1 As, raising concerns over potential environmental impacts. Mineralogical analysis of the wastes and sediments was undertaken by scanning electron microscopy (SEM) and automated SEM-EDS based quantitative evaluation (QEMSCAN®). The main arsenic mineral in the mine waste was scorodite and this was significantly correlated with pseudo-total As concentrations and significantly inversely correlated with potentially mobile arsenic, as estimated from the sum of exchangeable, reducible and oxidisable arsenic fractions obtained from a sequential extraction procedure; these findings correspond with the low solubility of scorodite in acidic mine wastes. The work presented shows that the study area remains grossly polluted by historical mining and processing and illustrates the value of combining mineralogical data with acid and sequential extractions to increase our understanding of potential environmental threats.", "publicationTitle": "Science of The Total Environment", "publisher": "", "place": "", "date": "2014", "volume": "472", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "226-234", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "10.1016/j.scitotenv.2013.11.029", "citationKey": "", "url": "http://linkinghub.elsevier.com/retrieve/pii/S0048969713013107", "accessDate": "2014-02-19T05:00:06Z", "PMID": "", "PMCID": "", "ISSN": "00489697", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "CrossRef", "callNumber": "", "rights": "", "extra": "", "tags": [], "collections": [], "relations": {}, "dateAdded": "2014-02-19T05:00:06Z", "dateModified": "2014-02-19T05:01:12Z" } }, { "key": "MGBCAG4A", "version": 3406, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/MGBCAG4A", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/MGBCAG4A", "type": "text/html" } }, "meta": { "createdByUser": { "id": 5116, "username": "haberlah", "name": "David Haberlah", "links": { "alternate": { "href": "https://www.zotero.org/haberlah", "type": "text/html" } } }, "creatorSummary": "Marquez et al.", "parsedDate": "2014", "numChildren": 0 }, "data": { "key": "MGBCAG4A", "version": 3406, "itemType": "conferencePaper", "title": "3D imaging of porosity modifying phases in Shuaiba Reservoir, Al Shaheen Field", "creators": [ { "creatorType": "author", "firstName": "X", "lastName": "Marquez" }, { "creatorType": "author", "firstName": "T", "lastName": "Solling" }, { "creatorType": "author", "firstName": "S", "lastName": "Finlay" }, { "creatorType": "author", "firstName": "N", "lastName": "Bounoua" }, { "creatorType": "author", "firstName": "T", "lastName": "Gagigi" } ], "abstractNote": "Existing porosity and permeability predictions in the Shuaiba reservoir of the Al Shaheen Field are largely based on detailed core observations and measurements that have been integrated with geochemical data and linked to robust conceptual models. This approach has been successful at predicting general porosity and permeability trends mainly related to deposition on the platform, barrier and basinal environments and the processes of dissolution and cementation; however, there is a lot of uncertainty in correlating and predicting the spatial variation of dissolution and cementation styles within each depositional environment. This uncertainty becomes larger when trying to identify rock types for petrophysical prediction and also to correlate the diagenetic patterns at field scale.\n\nThe work summarized in this contribution demonstrates how we have gone beyond the classic characterization of diagenesis and have moved toward the quantification and 3D visualization of diagenetic products that modify the pores and pore throats. Present day porosity and permeability of the Shuaiba limestones in the platform area has been significantly modified by calcite and minor pyrite cementation, hence in this study detailed and calibrated paragenetic data have been integrated with 2D quantitative mineral and elemental maps obtained with the use of QEMSCAN and coupled with 3D images using an in-house micro-CT scanner. Meticulous segmentation of grey levels in the 3D micro-CT images allowed the recognition and quantification of the cement phases and corresponding porosity before cementation, which could then be reconstructed and used to assess the porosity at any given diagenetic stage. This integrated, object-based, approach has the potential to significantly improve our ability to identify rock types, to help predict the spatial distribution of porosity and permeability in the Shuaiba reservoir and to ultimately improve realizations", "proceedingsTitle": "IPTC-17672-MS", "conferenceName": "International Petroleum Technology Conference, 19-22 January, Doha, Qatar", "publisher": "", "place": "Doha", "date": "2014", "eventPlace": "", "volume": "", "issue": "", "numberOfVolumes": "", "pages": "16", "series": "", "seriesNumber": "", "DOI": "", "ISBN": "978-1-61399-235-7", "citationKey": "", "url": "https://www.onepetro.org/conference-paper/IPTC-17672-MS", "accessDate": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "", "callNumber": "", "rights": "", "extra": "", "tags": [ { "tag": "QEMSCAN" }, { "tag": "uCT" } ], "collections": [], "relations": {}, "dateAdded": "2014-02-19T04:46:42Z", "dateModified": "2014-02-19T04:59:42Z" } }, { "key": "NNMB9TT2", "version": 3406, "library": { "type": "group", "id": 10299, "name": "Automated Mineralogy", "links": { "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/10299/items/NNMB9TT2", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/automated_mineralogy/items/NNMB9TT2", "type": "text/html" } }, "meta": { "createdByUser": { "id": 5116, "username": "haberlah", "name": "David Haberlah", "links": { "alternate": { "href": "https://www.zotero.org/haberlah", "type": "text/html" } } }, "creatorSummary": "Qiu et al.", "parsedDate": "2014", "numChildren": 0 }, "data": { "key": "NNMB9TT2", "version": 3406, "itemType": "journalArticle", "title": "A novel process for silver recovery from a refractory Au–Ag ore in cyanidation by pretreatment with sulfating leaching using pyrite as reductant", "creators": [ { "creatorType": "author", "firstName": "Xian-yang", "lastName": "Qiu" }, { "creatorType": "author", "firstName": "Zhen", "lastName": "Hu" }, { "creatorType": "author", "firstName": "Bao-xu", "lastName": "Song" }, { "creatorType": "author", "firstName": "Han-wen", "lastName": "Li" }, { "creatorType": "author", "firstName": "Jian-jian", "lastName": "Zou" } ], "abstractNote": "A novel process was developed to markedly increase silver cyanidation performance from a refractory gold–silver ore in Beiya, Yunnan province, China. Before cyanidation, the process employs a pretreatment step that aims at liberating the silver grains by destroying the crystal lattices of manganese minerals. The pretreatment step could be described as a reductive sulfating leaching technology to preferentially dissolve the manganese minerals, with silver remaining in the leaching residue for subsequent cyanidation, and the most important finding of the study is that pyrite could be used as a reductant through the process. 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