Dissertations / Theses on the topic 'Gold ores'
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Leeming, Prudence Mary. "Turbidite-hosted gold deposits." Thesis, Rhodes University, 1985. http://hdl.handle.net/10962/d1005939.
Full textSlabbert, W. L. "Ore distribution controls of the Navachab Gold Mine, Damara Belt, Karibib District, Namibia." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1016364.
Full textVan, den Berg Rudolf. "Inhibition of the pregrobbing phenomenon in gold ores." Thesis, Cape Technikon, 2000. http://hdl.handle.net/20.500.11838/907.
Full textIn a typical gold-recovery plant, it is estimated that a substantial amount of the gold in residues may be in the form that is recoverable by cyanidation. The gold in residues can be ascribed broadly to (l) the presence of cyanicides, which consume the cyanide radical and thus inhibit dissolution of gold, (2) refractory gold resulting from coatings on some gold particles, (3) large gold particles incompletely dissolved due to inadequate contact time, (4) unliberated gold as a result of too coarse a milled product, and (5) gold dissolved during leaching, then adsorbed by other minerals or by carbonaceous matter in the pulp. This study focuses on the latter, where dissolved gold is pregrobbed during leaching by adsorbent materials in the ore. The term pregrobbing refers to the active adsorption ofgold from cyanide pregnant solutions by components ofthe ore. It has been suggested that gold already dissolved by cyanide may be adsorbed by other minerals and by carbonaceous matter in the pulp. The presence ofcarbonaceous matter in gold ores presents a two-fold problem namely, the poor release of gold from the carbonaceous matrix and the uptake of dissolved gold by the carbonaceous leach residues. Studies by several other investigators using ores from various parts of the world have similarly shown that the natural carbonaceous matter associated with refractory gold ores often behaves like activated carbon when in contact with aurocyanide solutions. Some debate also exists over the extent to which gold may be adsorbed onto the surfaces of minerals. Different authors have identified that minerals such as' pyrite, copper sulphides, quartz and layered silicates, such as kaolin, phlogopite and ilIite exhibit gold adsorbing properties. Activated carbon was first used as a model pregrobber in batch kinetic adsorption experiments in the presence of a gold selective strong base anion-exchange resin.
Whitfield, Derek. "The genesis and controls of gold mineralization south of Rehoboth, Namibia." Thesis, Rhodes University, 1991. http://hdl.handle.net/10962/d1005560.
Full textGendall, Ian Richard. "The porphyry copper system and the precious metal-gold potential." Thesis, Rhodes University, 1994. http://hdl.handle.net/10962/d1005604.
Full textPolito, Paul A. "Exploration implications predicted by the distribution of carbon-oxygen-hydrogen gases above and within the Junction gold deposit, Kambalda, Western Australia /." Title page, table of contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09PH/09php769.pdf.
Full textMorasse, Suzanne. "Geology, structure and timing of gold mineralization at the Kiena deposit, Val d'Or, Québec." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0005/NQ31942.pdf.
Full textLack, Barbara Anne. "Electrochemical studies of gold bioaccumulation by yeast cell wall components." Thesis, Rhodes University, 1999. http://hdl.handle.net/10962/d1004969.
Full textBRAVO, SARA VIRGINIA CHUMPITAZ. "STUDY OF THE PROCESSING OF SULPHIDE ORES OF GOLD WITH THE LOWEST GRADE OF GOLD." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2002. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=3947@1.
Full textNo presente trabalho são avaliados os fatores físicos e químicos que influenciam o processamento do minério sulfetado de mais baixo teor de ouro conhecido no mundo. A amostra de minério estudada é proveniente da Rio Paracatu Mineração S.A - RPM e é identificada como minério Calha Brava Cl-4, pertencente ao Banco 716, Bloco 508-B da mina. Alguns circuitos de beneficiamento de minérios auríferos incluem processos de concentração gravítica e flotação visando atingir máximas recuperações de ouro e, conseqüentemente, elevada produção a baixo custo. A seleção das técnicas de processamento do minério depende, basicamente, da mineralogia e distribuição das partículas minerais no minério, do tamanho da partícula de ouro ou dos minerais e outros metais associados ao minério. A distribuição do teor de ouro nas diferentes frações granulométricas do minério Calha Brava Cl-4 revelam que 80,4 por cento do ouro encontra-se na fração acima de 104 um e 25 por cento encontram-se na fração fina (< 28 um). A recuperação total de ouro, enxofre e arsênio obtida nos ensaios de concentração gravítica por meio do concentrador centrífugo Knelson e flotação foram 80,44 por cento, 64,9 por cento e 58,22 por cento, respectivamente. A recuperação em massa dessa etapa foi 10,14 por cento. A recuperação total de ouro, enxofre e arsênio obtidos na concentração de jigagem e flotação foi 88,91 por cento, 86,82 por cento e 49,07 por cento, respectivamente. A recuperação em massa do concentrado recuperado foi de 19,5 por cento. Nos ensaios de flotação direta, a maior recuperação de ouro (87 por cento) foi obtida para o minério cominuído a uma granulometria com P80 = 86 um e recuperado por flotação na presença de 30 g/t do coletor amil xantato de potássio (AXP), 20 g/t de metil isobutil carbinol (MIBC), pH 6,3 e potencial de polpa 0,209 V vs Eh, em relação ao eletrodo de hidrogênio. A recuperação em massa do concentrado obtida foi 4 por cento. No caso das partículas grossas do minério (P80 = 130 um), constatou-se a necessidade de maiores concentrações do coletor. A maior recuperação de ouro (85,33 por cento) foi obtida com a concentração de 60 g/t para o AXP, pH 6,3 e potencial de polpa de 0,218 V vs Eh. A recuperação em massa do concentrado foi de 9 por cento.
The work involves the evaluation of physical and chemical factors that influence the processing of sulphide ores, with the lowest grade of gold known in the world. The studied sample is from Rio Paracatu Mining S.A. and is described as Calha Brava Cl-4, belonging to the 716 bench, block 508-B in the mine. Some industrial processing of gold include gravity concentration and flotation processes in order to reach the maximum gold recovery, aiming at raising production levels with lower costs. The selection of the mineral processing depends on several factors as mineralogy, particle size distribution and other minerals associated with the ore. The distribution of gold grades to the different size fractions in the studied ore, reveals that 80.48 percent of gold occur in the particle size fraction above 104 um, and 25 percent of gold occur in the fine fraction (< 28 um). The global gold, sulphur and arsenic recoveries, obtained by centrifuge gravity concentration (Knelson)and flotation tests, were 80.44 percent, 64.90 percent and 58.22 percent, respectively. To these processes, the mass recovery was 10.14 percent. The total gold, sulphur and arsenic recoveries obtained in concentration processes by jig and flotation techniques were 88.91 percent, 86.82 percent and 49.07 percent, respectively. The mass recovery was 19.5 percent. In the flotation tests, the maximum gold recovery (87 percent) was obtained with the grounded ore (P80 = 86 um), using 30 g/t collector potassium amyl xanthate (PAX), 20 g/t methyl isobuthyl carbinol (MIBC), pH = 6.3 and potential of pulp 0.209 V vs Eh. The mass recovery was approximately 4 percent. When coarse particles (P80 = 130 um) were floated, the need of am increase in the collector concentration was observed. The maximum ore recovery (85.33 percent) was obtained at concentration of 60 g/t PAX, pH = 6.3 and potential of pulp 0.218 V vs Eh. The mass recovery was 9 percent.
Feldmann, Robert Max Werner. "Use of low concentrations of hydrogen peroxide in extracting gold from metallurgically complex gold ores." Thesis, Curtin University, 2016. http://hdl.handle.net/20.500.11937/1826.
Full textKhalesi, Mohammad Reza. "Integrated modeling of grinding, liberation and leaching of gold ores." Thesis, Université Laval, 2010. http://www.theses.ulaval.ca/2010/27466/27466.pdf.
Full textMann, P. L. "Surficial placer gold deposits." Thesis, Rhodes University, 1994. http://hdl.handle.net/10962/d1018245.
Full textHastings, Matthew H. "Relationship of base-metal skarn mineralization to Carlin-type gold mineralization at the Archimedes gold deposit, Eureka, Nevada." abstract and full text PDF (UNR users only), 2008. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1460760.
Full textSanchez-Corrales, Victor Manuel. "Electrochemical leaching of gold-bearing arsenopyrite in alkaline cyanide solutions." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184952.
Full textRoditis, Ioannis Stavros 1960. "A PERFORMANCE EVALUATION OF THE INDICATOR KRIGING METHOD ON A GOLD DEPOSIT: A COMPARISON WITH THE ORDINARY KRIGING METHOD." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/275482.
Full textSkead, Michael Bethel. "Geological characteristics of selected disseminated sediment-hosted gold deposits in Nevada, U.S.A. : in search of an exploration model." Thesis, Rhodes University, 1995. http://hdl.handle.net/10962/d1007414.
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Lorenzen, Leon. "A fundamental study of the dissolution of gold from refractory ores." Thesis, Stellenbosch : Stellenbosch University, 1992. http://hdl.handle.net/10019.1/69492.
Full textENGLISH ABSTRACT: The dissolution of gold from refractory ores is a complex kinetic problem involving a number of chemical, mass transport and mineralogical factors. In most Witwatersrand ores in South Africa more than 97 % of the gold is dissolved in cyanide medium after a residence time of about 16 hours in pachuca tanks. This high percentage may be the reason why so little fundamental research has been done into the mechanism and kinetics of the leaching process. With the increasingly lower grades of ore mined, the introduction of backfill mining, and the reduction of profit margins, it has become imperative to increase the efficiency of gold dissolution. The effects of the chemistry and particle size on the dissolution of gold in each sample of ore were studied in detail. The emphasis in this study is on the effect of the leaching behaviour of various ore constituents on the rate of gold dissolution. Interferences with the leaching of gold in contact with other minerals or metals could be attributed to the galvanic interaction (electrical conductivity) between the gold and the mineral and to the formation of a surface film on the gold surface. Sulphide minerals and their oxidation products cause the largest decrease in gold dissolution rate. Galena enhances the rate of gold dissolution owing to dissolved Pb(II)-ions. Gold in contact with conductive minerals passivates as a result of the enhanced magnitude of the cathodic cu1Tent. In all experiments the rotating disc of gold passivated so that the rate of dissolution was much slower than that predicted by a mass-transport limiting model. The various films that form on the surface of the gold and associated minerals, as well as the galvanic interaction, depend largely on the pretreatment of the ore. Pre-elimination of host minerals from the gold bearing ore increases the dissolution rate of gold, and explains the kinetics of reaction on the gold surface to a large extent. The selective destruction of the various minerals with oxidative acid leaches destroys and/or decomposes certain minerals which may form films on the gold surface by precipitation. The chemical composition of these films and precipitates depends on the mineralogy of the sample. These films may be oxides, sulphides, carbonates and cyanide complexes. The complexes can be destroyed, depending on the nature of the film, by interstage dilute acid and/or cyanide washes in an agitated vessel. The destruction of the films exposes the gold surface for cyanidation. A simple distribution function similar to the King liberation model is proposed and tested to describe the dissolution step in the multi-step leaching mechanism. For the King model, good agreement is shown with experimental results. For the liberation results obtained by leaching in this study, the trend is co1Tect, but calibration is required for a close fit. A potentially important use for the liberation model by leaching is to predict the leachable or free gold in an ore from the free gold in the complete sample. This approach for studying the leaching behaviour of different gold bearing minerals has provided reasons why some ores leach better than others.
AFRIKAANSE OPSOMMING: Die loging van goud vanuit weerbarstige ertse is 'n komplekse kinetiese probleem wat verskeie faktore soos massa-oordrag, chemiese aspekte en mineralogiese ingeweefdheid insluit. Goud ekstraksies so hoog as 97 % in sianied oplossings in Pachuca reaktore na ongeveer 16 uur logingstyd word behaal in die meeste Witwatersrand ertse in Suid-Afrika. Hierdie hoë ekstraksies mag dalk die rede wees vir die min fundamentele navorsing oor die ekstraksie van goud vanuit minerale in 'n spesifieke erts. Die dalende erts grade, die verlaging van winsgrense en die terugplaas van geloogde erts in die myn noodsaak verbeterde goud ekstraksie. Verkeie faktore nl., chemie, diffusie, partikelgrootte en oplosbaarheid van goud in elke monster erts is in hierdie studie ondersoek. Die sentrale tema was om die logingsgedrag van goud vanuit verskeie minerale in 'n erts te bepaal. Galvaniese interaksie (hou verband met elektriese geleidingsvermoeë) en film vorming is die belangrikste faktore wat die loging van goud in kontak met minerale nadelig beïnvloed. Sulfied minerale en hul oksidasie produkte speel die grootste rol in die verlaging van die tempo van goudloging. Galena verhoog die tempo van goudloging as gevolg van die Pb (II)- ione in oplossing. Goud in kontak met geleidende minerale passiveer as gevolg van die verhoogde katodiese stroomdigtheid. In alle eksperimente met die roterende skyf (goudskyf) apparaat, passiveer die goudskyf in so 'n mate dat die logingstempo baie stadiger is as wat voorspel word met die massa-oordrags model. Die onderskeie films wat vorm op die goud- en geassosieerde minerale se oppervlaktes, asook die galvaniese interaksies, is 'n funksie van die voorafbehandeling van die erts. Die selektiewe eliminering van minerale vanuit 'n gouddraende erts verhoog die tempo van goudloging drasties en dit beskryf die kinetika van goudloging op die goudoppervlak in 'n groot mate. Die selektiewe eliminering van minerale deur gebruik te maak van oksiderende suurlogings, vernietig sekere van die minerale wat films op die goudoppervlakte kan veroorsaak deur middel van presipitasie. Die chemiese samestelling van hierdie films hang af van die mineralogie van die monster. Dit bestaan meestal uit oksiedes, sulfiedes, karbonate en sianiedkomplekse en hulle kan vernietig word deur middel van inter-stadia verdunde suur-en/of sianied wasse. 'n Eenvoudige distribusiefunksie, soortgelyk aan die King bevrydingsmodel word voorgestel en eksperimenteel getoets om die logingstap in die multi-stadia logingsmeganisme te beskryf. Vir bevryding deur loging, is die neiging van King se model korrek, maar kalibrasie word benodig vir goeie passing. 'n Potensiele gebruik van die aangepaste model is om vrye of loogbare goud in 'n spesi fieke partikel grootte fraksie van 'n erts te voorspel as die vry goud in die totale fraksie bekend is. Die resultate uit hierdie studie kan gebruik word om die logingsgedrag van gouddraende minerale te voorspel en te beskryf, en dus veduidelik hoekom goud uit sekere ertse beter loog as uit ander.
Jourdain, Vincent. "Géologie des amas sulfures aurifères de la province de Grenville /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1993. http://theses.uqac.ca.
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Chandraprabha, M. N. "Studies On Bio-Oxidation A Refractory Gold Containing Sulphidic Concentrate With Respect To Optimization And Modeling." Thesis, Indian Institute of Science, 2000. https://etd.iisc.ac.in/handle/2005/188.
Full textChandraprabha, M. N. "Studies On Bio-Oxidation A Refractory Gold Containing Sulphidic Concentrate With Respect To Optimization And Modeling." Thesis, Indian Institute of Science, 2000. http://hdl.handle.net/2005/188.
Full textHuang, Jian Hui. "The applications of microwave energy to improve grindability and extraction of gold ores." Thesis, University of Birmingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369344.
Full textVeselinović, Milica. "Genetic models for epithermal gold deposits and applications to exploration." Thesis, Rhodes University, 1992. http://hdl.handle.net/10962/d1005562.
Full textRankine, Graham M. "Gold metallogeny of Australia." Thesis, Rhodes University, 1987. http://hdl.handle.net/10962/d1004676.
Full textCouture, Jean-François. "Géologie et gitologie du gisement de la rivière Eastmain, Ungava, Québec /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1993. http://theses.uqac.ca.
Full textBreedt, Machiel Christoffel. "Gold exploration in tropical and sub-tropical terrains with special emphasis on Central and Western Africa." Thesis, Rhodes University, 1996. http://hdl.handle.net/10962/d1005578.
Full textLu, Guan-Qing. "Le lien génétique entre la minéralisation en or et en mercure et l'évolution pétrolifère : le cas de dépôt d'or et mercure de Danzhai = A genetic link between the gold-mercury mineralization and petroleum evolution : a case of the Danzhai gold-mercury deposit /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1994. http://theses.uqac.ca.
Full textCampbell, Keith Bryan. "The geology, alteration, and mineralization of the True North gold deposit, Fairbanks, Alaska." abstract and full text PDF (free order & download UNR users only), 2006. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3239880.
Full textSener, A. K. "Characteristics, distribution and timing of gold mineralisation in the Pine Creek Orogen, Northern Territory, Australia /." Connect to this title, 2004. http://theses.library.uwa.edu.au/adt-WU2005.0102.
Full textHarlap, Ariel. "Alteration and ammonium enrichment vectors to low-sulphidation epithermal mineralization : insights from the Banderas gold-silver prospect." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=112633.
Full textDaglioglu, Yasar Mehmet. "A review of sediment-hosted gold deposits of the world with special emphasis on recent discoveries outside the U.S.A." Thesis, Rhodes University, 1996. http://hdl.handle.net/10962/d1005609.
Full textZheng, Jialong. "An electrochemical study of the copper-gold-cyanide system with reference to the processing of copper-gold ores." Thesis, Zheng, Jialong (2000) An electrochemical study of the copper-gold-cyanide system with reference to the processing of copper-gold ores. PhD thesis, Murdoch University, 2000. https://researchrepository.murdoch.edu.au/id/eprint/52721/.
Full textCoxon, Brian Duncan. "Lateritisation and secondary gold distribution with particular reference to Western Australia." Thesis, Rhodes University, 1993. http://hdl.handle.net/10962/d1005586.
Full textGaspar, Luis Miguel Guerreiro Galla. "The Crown Jewel gold skarn deposit." Online access for everyone, 2005. http://www.dissertations.wsu.edu/Dissertations/Summer2005/l%5Fgaspar%5F072805.pdf.
Full textOlivo, Gema Ribeiro. "Les gites d'or palladifères des mines de Caue et de Conceicao, dans les formations de fer du type lac Supérieur du district d'Itabira, Craton Sao Francisco, Bresil : structure, minéralogie, géochronologie et métallogenie = (Palladium-bearing gold deposits of the caue and conceicao mines, hosted by lake superior-type iron-formations of the Itabira district, Sao Francisco craton, Brazil : structure, mineralogy, geochronology and metallogeny) /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1994. http://theses.uqac.ca.
Full textTanda, Bennson Chemuta. "Glycine as a lixiviant for the leaching of low grade copper-gold ores." Thesis, Curtin University, 2017. http://hdl.handle.net/20.500.11937/56525.
Full textMagnan, Martin. "La zone 87 du gisement d'or et de cuivre du lac Troilus : pétrographie et géochimie /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1993. http://theses.uqac.ca.
Full textWitne, John Yagbinan. "The effects of oxygen and carbon dioxide enriched air on the bacterial oxidation of sulphide concentrates." Thesis, University of Exeter, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302672.
Full textRuiz, Párraga Juan Antonio. "Geology of the Chukar Footwall Mine, Maggie Creek District, Carlin Trend, Nevada /." abstract and full text PDF (UNR users only), 2007. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1447807.
Full text"May, 2007." Geological maps on eleven folded leaves in pocket. Includes bibliographical references (leaves 143-154). Library also has microfilm. Ann Arbor, Mich. : ProQuest Information and Learning Company, [2008]. 1 microfilm reel ; 35 mm. Online version available on the World Wide Web.
Sapiie, Benyamin. "Strike-slip faulting, breccia formation and porphyry Cu-Au mineralization in the Gunung Bijih (Ertsberg) mining district, Irian Jaya, Indonesia /." Digital version accessible at:, 1998. http://wwwlib.umi.com/cr/utexas/main.
Full textVita. Four folded plates in pocket. Includes bibliographical references (leaves 285-303). Available also in a digital version from Dissertation Abstracts.
Sibbick, Steven John Norman. "The distribution and behaviour of gold in soils in the vicinity of gold mineralization, Nickel Plate mine, southern British Columbia." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/28862.
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Salier, Brock Peter. "The timing and source of gold-bearing fluids in the Laverton Greenstone Belt, Yilgarn Craton, with emphasis on the Wallaby gold deposit." University of Western Australia. School of Earth and Geographical Sciences, 2004. http://theses.library.uwa.edu.au/adt-WU2005.0013.
Full textDay, Stephen John. "Sampling stream sediments for gold in mineral exploration, southern British Columbia." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/27869.
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Korkalo, T. (Tuomo). "Gold and copper deposits in Central Lapland, Northern Finland, with special reference to their exploration and exploitation." Doctoral thesis, University of Oulu, 2006. http://urn.fi/urn:isbn:951428108X.
Full textSchmauder, Gretchen C. "Thermal and chemical profiling of the Bald Mountain District, White Pine County, Nevada /." abstract and full text PDF (free order & download UNR users only), 2005. http://0-wwwlib.umi.com.innopac.library.unr.edu/dissertations/fullcit/1433099.
Full text"August, 2005." Includes bibliographical references. Library also has microfilm. Ann Arbor, Mich. : ProQuest Information and Learning Company, [2005]. 1 microfilm reel ; 35 mm. Online version available on the World Wide Web.
Doyle, Jessica B. "Geology and structure of Winters Creek, Jerritt Canyon District, Elko County, Nevada." abstract and full text PDF (free order & download UNR users only), 2007. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1447627.
Full textPapangelakis, V. G. (Vladimiros George) 1958. "Aqueous pressure oxidation of arsenopyrite." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65435.
Full textLinklater, Michael Anthony Leonard Flanders. "The exploration for and possible genesis of, some Archaean granite/gneiss-hosted gold deposits in the Pietersburg granite-greenstone terrane." Thesis, Rhodes University, 1992. http://hdl.handle.net/10962/d1005557.
Full textVoicu, Gabriel. "Géologie, géochimie et métallogénie du gisement d'or Omai, Bouclier Guyanais, Amérique du Sud = Geology, geochemistry and metallogeny of the Omai Gold Deposit, Guiana Shield, South America /." Thèse, Montréal : Chicoutimi : Université du Québec à Montréal ;. Université du Québec à Chicoutimi, 1999. http://theses.uqac.ca.
Full textPatterson, Lucia Maria. "Hydrothermal footprint of Carlin-type gold deposits at the district scale : Jerritt Canyon Mining District, Elko County, Nevada /." abstract and full text PDF (UNR users only), 2008. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1464422.
Full text"May, 2009." Includes bibliographical references (leaves 202-215). Library also has microfilm. Ann Arbor, Mich. : ProQuest Information and Learning Company, [2009]. 1 microfilm reel ; 35 mm. Online version available on the World Wide Web.
House, MJ. "Gold distribution at the E26 porphyry copper-gold deposit, Goonumbla N.S.W." Thesis, 1994. https://eprints.utas.edu.au/20154/7/whole_HouseMichaelJohn1995.pdf.
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