Academic literature on the topic 'Gold ores'
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Journal articles on the topic "Gold ores"
Vaughan, J. P., and A. Kyin. "Refractory gold ores in Archaean greenstones,Western Australia: mineralogy, gold paragenesis, metallurgical characterization and classification." Mineralogical Magazine 68, no. 2 (April 2004): 255–77. http://dx.doi.org/10.1180/0026461046820186.
Full textDVORNIK, Gennadiy Petrovich. "Conformities distribution contents gold and silver in ore bodies of the Berezovskoe deposit (Middle Urals)." NEWS of the Ural State Mining University, no. 4 (December 15, 2023): 55–68. http://dx.doi.org/10.21440/2307-2091-2023-4-55-68.
Full textAbramov, B. N. "Peculiarities of the distribution of rare-earth elements in the ores of some gold deposits of Eastern Transbaikalia." Proceedings of higher educational establishments. Geology and Exploration, no. 5 (November 2, 2018): 48–58. http://dx.doi.org/10.32454/0016-7762-2018-5-48-58.
Full textKeedy, C. R., L. Parson, and J. Shen. "Determination of gold in gold ores." Journal of Radioanalytical and Nuclear Chemistry Letters 137, no. 3 (October 1989): 191–99. http://dx.doi.org/10.1007/bf02167774.
Full textAmdur, A. M., R. A. Apakashev, S. Ya Davydov, and N. G. Valiev. "The extraction of the associated precious metals out of the construction industry's complex ores." NOVYE OGNEUPORY (NEW REFRACTORIES), no. 8 (December 27, 2018): 20–23. http://dx.doi.org/10.17073/1683-4518-2018-8-20-23.
Full textBulaev, Aleksander, Zylikha K. Kanayeva, Maxim I. Muravyov, Ashimkhan T. Kanayev, and Tamara F. Kondrat'eva. "Column Bioleaching of Refractory Gold Ores." Advanced Materials Research 1130 (November 2015): 459–62. http://dx.doi.org/10.4028/www.scientific.net/amr.1130.459.
Full textRazmakhnin, KK, and PA Vasiljuk. "Technological and environmental features of heap leaching of Delmachik gold-bearing ores deposit." IOP Conference Series: Earth and Environmental Science 991, no. 1 (February 1, 2022): 012044. http://dx.doi.org/10.1088/1755-1315/991/1/012044.
Full textChen, Bo Wei, Jian Kang Wen, and Guo Cheng Yao. "Acidophiles and its Use in Mineral Biomining with Emphasis on China." Advanced Materials Research 926-930 (May 2014): 4201–4. http://dx.doi.org/10.4028/www.scientific.net/amr.926-930.4201.
Full textZalesov, M. V., V. A. Grigoreva, V. S. Trubilov, and A. Ya Boduen. "Designing of engineering solutions to enhance efficiency of high-copper gold-bearing ore processing." Mining Industry Journal (Gornay Promishlennost), no. 5/2021 (November 12, 2021): 51–56. http://dx.doi.org/10.30686/1609-9192-2021-5-51-56.
Full textVikentyev, Ilya, Olga Vikent’eva, Eugenia Tyukova, Maximilian Nikolsky, Julia Ivanova, Nina Sidorova, Dmitry Tonkacheev, et al. "Noble Metal Speciations in Hydrothermal Sulphides." Minerals 11, no. 5 (May 3, 2021): 488. http://dx.doi.org/10.3390/min11050488.
Full textDissertations / Theses on the topic "Gold ores"
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 textBooks on the topic "Gold ores"
1923-, Tooker Edwin Wilson, ed. Gold in porphyry copper systems. [Washington D.C.]: U.S. G.P.O., 1990.
Find full textThomson, Margaret Lee. The Crixas gold deposit, Brazil: Metamorphism, metasomatism and gold mineralization. London, Ont: Faculty of Graduate Studies, University of Western Ontario, 1987.
Find full textElevatorski, Edward A. Gold-silver bulk-tonnage deposits. Fallbrook, Ca., U.S.A: Minobras, 1987.
Find full textPetr, Morávek, ed. Gold deposits in Bohemia. 2nd ed. Prague: Czech Geological Survey, 1996.
Find full textBerger, Vladimir Iosifovich. Descriptive, and grade and tonnage model for gold-antimony deposits. [Menlo Park, Calif.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1993.
Find full textBerger, Vladimir Iosifovich. Descriptive, and grade and tonnage model for gold-antimony deposits. [Menlo Park, Calif.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1993.
Find full text͡IAnishevskiĭ, E. V. Osnovnye faktory lokaliza͡tsii zolotogo orudeneni͡ia Muruntauskogo rudnogo pol͡ia. Moskva: In-t mineralogii, geokhimii i kristallokhimii redkikh ėlementov, 1991.
Find full textRichard, Kyle, and Crowe Douglas E, eds. Selected mineral deposits of the Gulf Coast and Southeastern United States: Guidebook prepared for the Society of Economic Geologists field conferences, I. 4-5 November 1995, II. 9-11 November 1995. Littleton, CO: Society of Economic Geologists, 1995.
Find full textSymposium at GOLDTech (4th 1990 Reno, Nev.). Advances in gold and silver processing: Proceedings of the Symposium at GOLDTech 4, Reno, Nevada, September 10-12, 1990. Edited by Fuerstenau Maurice C and Hendrix James L. Littleton, Colo: Society for Mining, Metallurgy, and Exploration, 1990.
Find full text1940-, Ashley Roger P., and Geological Survey (U.S.), eds. Epithermal gold deposits. Washington: U.S. G.P.O., 1990.
Find full textBook chapters on the topic "Gold ores"
Yannopoulos, J. C. "Gold Ores." In The Extractive Metallurgy of Gold, 1–10. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-8425-0_1.
Full textYannopoulos, J. C. "Cyanidation of Gold Ores." In The Extractive Metallurgy of Gold, 141–70. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-8425-0_8.
Full textYannopoulos, J. C. "Milling of Amenable Gold Ores." In The Extractive Metallurgy of Gold, 55–77. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-8425-0_4.
Full textYannopoulos, J. C. "Treatment of Refractory Gold Ores." In The Extractive Metallurgy of Gold, 79–114. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-8425-0_5.
Full textYannopoulos, J. C. "Leaching Low-Grade Gold Ores." In The Extractive Metallurgy of Gold, 115–36. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-8425-0_6.
Full textLottermoser, Bernd. "Cyanidation Wastes of Gold-Silver Ores." In Mine Wastes, 171–87. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05133-7_5.
Full textLakshmanan, V. I., A. Ojaghi, and B. Gorain. "Beneficiation of Gold and Silver Ores." In Innovations and Breakthroughs in the Gold and Silver Industries, 49–77. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32549-7_4.
Full textLottermoser, Bernd G. "Cyanidation Wastes of Gold-Silver Ores." In Mine Wastes, 243–62. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-12419-8_5.
Full textLogan, Thomas C., Thom Seal, and James A. Brierley. "Whole-Ore Heap Biooxidation of Sulfidic Gold-Bearing Ores." In Biomining, 113–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-34911-2_6.
Full textGasparrini, Claudia. "Methods and Techniques for the Study of Ores." In Gold and Other Precious Metals, 45–62. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-77184-2_5.
Full textConference papers on the topic "Gold ores"
Grigoreva, V. A. "SPECIFIC ASPECTS OF GOLD EXTRACTION FROM PYRRHOTITE-CONTAINING MATERIALS." In XVI INTERNATIONAL CONFERENCE "METALLURGY OF NON-FERROUS, RARE AND NOBLE METALS" named after corresponding member of the RAS Gennady Leonidovich PASHKOVA. Krasnoyarsk Science and Technology City Hall, 2023. http://dx.doi.org/10.47813/sfu.mnfrpm.2023.92-106.
Full textAnohin, R. R., and S. I. Lyakh. "STUDY OF TECHNOLOGICAL PROCESSES OF PROCESSING GOLD-URANIUM ORES." In XVI INTERNATIONAL CONFERENCE "METALLURGY OF NON-FERROUS, RARE AND NOBLE METALS" named after corresponding member of the RAS Gennady Leonidovich PASHKOVA. Krasnoyarsk Science and Technology City Hall, 2023. http://dx.doi.org/10.47813/sfu.mnfrpm.2023.125-139.
Full textTumakov, V. M., V. V. Maksimenko, D. Yu Kaleda, I. A. Proskuryakova, and A. A. Ekimenko. "SPECIFICS OF GOLD EXTRACTION FROM HIGH-ZINC OXIDIZED ORES." In XVI INTERNATIONAL CONFERENCE "METALLURGY OF NON-FERROUS, RARE AND NOBLE METALS" named after corresponding member of the RAS Gennady Leonidovich PASHKOVA. Krasnoyarsk Science and Technology City Hall, 2023. http://dx.doi.org/10.47813/sfu.mnfrpm.2023.107-108.
Full textShi, Shengchun, Bo Yang, Xian Xie, Meicun Zhou, and Jianming Xue. "Technological Mineralogy of a Refractory Gold Ores." In International Conference on Materials Engineering and Information Technology Applications (MEITA 2015). Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/meita-15.2015.138.
Full textMaksimenko, V. V., I. A. Proskuryakova, S. A. Antropov, S. S. Orlov, and S. S. Minikh. "SPECIFICS OF PROCESSING HIGH-TELLURIUM GOLD ORES." In XVI INTERNATIONAL CONFERENCE "METALLURGY OF NON-FERROUS, RARE AND NOBLE METALS" named after corresponding member of the RAS Gennady Leonidovich PASHKOVA. Krasnoyarsk Science and Technology City Hall, 2023. http://dx.doi.org/10.47813/sfu.mnfrpm.2023.89-91.
Full textTomus, Nicolae, Marius Zlagnean, and Ioana-Carmen Popescu (Hostuc). "THE GOLD RECOVERY CLEAN TECHNOLOGY FROM REFRACTORY GOLD ORES USING MICROWAVES’ ENERGY." In International Symposium "The Environment and the Industry". National Research and Development Institute for Industrial Ecology, 2018. http://dx.doi.org/10.21698/simi.2018.ab18.
Full textDvornik, G. P., and E. V. Imamutdinov. "DISTRIBUTION GOLD AND SILVER CONTENT IN THE ORES ANDREEVSKOY AND IL’INSKOY MINERALIZED DIKES GRANITOIDS BEREZOVSKOGO DEPOSIT." In Проблемы минералогии, петрографии и металлогении. Научные чтения памяти П. Н. Чирвинского. ПЕРМСКИЙ ГОСУДАРСТВЕННЫЙ НАЦИОНАЛЬНЫЙ ИССЛЕДОВАТЕЛЬСКИЙ УНИВЕРСИТЕТ, 2022. http://dx.doi.org/10.17072/chirvinsky.2022.55.
Full textGhiani, M., A. Serci, R. Peretti, and A. Zucca. "Beneficiation of gold sulphide ores from South Sardinia, Italy." In The 8th International Mineral Processing Symposium. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2017. http://dx.doi.org/10.4324/9780203747117-59.
Full textCoveney, Raymond M. "THE BONANZA GOLD ORES OF THE ALLEGHANY DISTRICT, CALIFORNIA." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-332040.
Full textSasaki, Keiko. "Enzymatic pretreatment of carbonaceous refractory gold ores prior to cyanidation." In Goldschmidt2023. France: European Association of Geochemistry, 2023. http://dx.doi.org/10.7185/gold2023.14128.
Full textReports on the topic "Gold ores"
Steger, H. F., and W. S. Bowman. Ch-1 and ch-2: certified reference gold ores. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1985. http://dx.doi.org/10.4095/307256.
Full textJonasson, I. R., O. R. Eckstrand, and D. H. Watkinson. Preliminary Investigations of the Abundance of Platinum, Palladium and Gold in Some Samples of Canadian Copper - Nickel Ores. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1987. http://dx.doi.org/10.4095/122476.
Full textHarris, Michael J. Column leach testing of gold ore from the Ortiz gold mine--The effect of surfactant additions to the leaching solution. New Mexico Bureau of Geology and Mineral Resources, 1987. http://dx.doi.org/10.58799/ofr-307.
Full textGrunsky, E. C., B. Dubé, S. Hagemann, and C. W. Brauhart. A global database of gold deposits: quantification of multi-element ore signatures. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2015. http://dx.doi.org/10.4095/296647.
Full textAbramov, B. N. Petrography, conditions formations granitoids amujikano- Shahtaminskogo complex (j2-3) in ore fields gold ore and molybdenum deposits Eastern Transbaikalia. ГеоДозор (Москва), 2018. http://dx.doi.org/10.18411/2223-0831-2018-1-35-43.
Full textNeyedley, K., J. J. Hanley, P. Mercier-Langevin, and M. Fayek. Ore mineralogy, pyrite chemistry, and S isotope systematics of magmatic-hydrothermal Au mineralization associated with the Mooshla Intrusive Complex (MIC), Doyon-Bousquet-LaRonde mining camp, Abitibi greenstone belt, Québec. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328985.
Full textLauzon, M. C., P. Mercier-Langevin, M. Valette, G. Beaudoin, S. De Souza, O. Côté-Mantha, and M. Simard. Ore mineralogy and mineral chemistry of the Whale Tail zone, Amaruq gold deposit, Nunavut. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2020. http://dx.doi.org/10.4095/326044.
Full textAbramov, B. N. PETROGEOCHEMISTRY, THE CONDITIONS OF FORMATION OF GRANITOIDS OF AMUDZHIKANSHAKHTAMINSKIY COMPLEX (J2-3) IN THE ORE FIELDS OF GOLD AND MOLYBDENUM ORE DEPOSITS, EAST-ERN TRANSBAIKALIA. LJournal, 2017. http://dx.doi.org/10.18411/2223-0831-2017-8-2-45-17.
Full textCorriveau, L., and E. G. Potter. Advancing exploration for iron oxide-copper-gold and affiliated deposits in Canada: context, scientific overview, outcomes, and impacts. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/332495.
Full textLawley, C., B. Dubé, S. Jackson, Z. Yang, P. Mercier-Langevin, and D. Vaillancourt. Sulfide paragenesis and LA-ICP-MS arsenopyrite geochemistry at the Meliadine Gold District, Nunavut: implications for Re-Os arsenopyrite geochronology and ore deposit genesis. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2014. http://dx.doi.org/10.4095/293938.
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