 | | Journal (article/letter/editorial) | | Telluride mineralization at Ashanti gold mine, Ghana R. J. BOWELL, R. P. FOSTER Department of Geology...Road, London SW7 5BD Abstract Gold mineralization at the Ashanti Mine occurs in shear zones which are...zone. However, gold-rich telluride mineralization in veins in the hangingwall of the Obuasi ore zone at...at Ashanti appears to have post-dated development of the major gold-bearing shear zone. Complex assemblages...calaverite, sylvanite, kostovite, petzite, stutzite, hessite, altaite, rickardite, weissite and henryite were |  | | Journal (article/letter/editorial) | | Sulfide Oxidation and Production of Gossans, Ashanti Mine, Ghana R. J. Bowell a a Department of Geology...Sulfide Oxidation and Production of Gossans, Ashanti Mine, Ghana, International Geology Review, 36:8, 732-752...Sulfide Oxidation and Production of Gossans, Ashanti Mine, Ghana1 R. J. BOWELL Department of Geology,...the Justice mine, in the Ashanti goldfields of southwestern Ghana, chemical weathering of gold-bearing sulfide-rich...geochemical features that are diagnostic. In this type of gold mineralization, the most abundant sulfides are arsenopyrite |  | | Report (issue) | | From gold- and tellurium-bearing replacement copper deposits (Chelopech, Bulgaria; Campbell mine, Arizona...tennantite, barite (Chelopech, Bulgaria); tellurium, hessite, sylvanite (Buckeye Gulch, Colorado, USA); tellurium...tellurium, altaite, calaverite, sylvanite, petzite, hessite, tellurantimony, melonite, chalcopyrite, tetrahedrite...Chelopech deposit, Sofia, Bulgaria [TL]. In the Campbell mine, Bisbee, Cochise Co., Arizona, and at Buckeye Gulch...Kochbulak gold deposit, Chatkal-Kuramin Mountains, eastern Uzbekistan. In the Guilaizhuang gold deposit |  | Sung, Y.-H., Ciobanu, C. L., Pring, A., Brügger, J., Skinner, W., Cook, N. J., Nugus, M. (2007) Tellurides from Sunrise Dam gold deposit, Yilgarn Craton, Western Australia: a new occurrence of nagyágite. Mineralogy and Petrology, 91 (3) 249-270 doi:10.1007/s00710-007-0199-z | Journal (article/letter/editorial) | | in The Netherlands Tellurides from Sunrise Dam gold deposit, Yilgarn Craton, Western Australia: a new...of Oslo, Oslo, Norway 5 Sunrise Dam Gold Mine, AngloGold Ashanti Ltd, Laverton, Australia 2 Received...nagyágite is found together with eight tellurides (hessite, petzite, calaverite, altaite, tellurantimony (and...and post-D4 veinlets in the world-class orogenic gold deposit at Sunrise Dam, Eastern Goldfields Province...association of telluride assemblages and native gold is interpreted in terms of remobilization of ore |  | Bi, Shi-Jian, Li, Jian-Wei, Zhou, Mei-Fu, Li, Zhan-Ke (2011) Gold distribution in As-deficient pyrite and telluride mineralogy of the Yangzhaiyu gold deposit, Xiaoqinling district, southern North China craton. Mineralium Deposita, 46 (8) 925-941 doi:10.1007/s00126-011-0359-2 | Journal (article/letter/editorial) | | ARTICLE Gold distribution in As-deficient pyrite and telluride mineralogy of the Yangzhaiyu gold deposit...Yangzhaiyu lode gold deposit is situated in the southern edge of the North China craton. Gold mineralization...patterns of gold. The coarsegrained, euhedral G1 pyrite contains negligible to low levels of gold, whereas...whereas both invisible and visible gold are present in the fine- to medium-grained G2 pyrite that is characterized...(LA-ICP-MS) depth profiles indicate that invisible gold occurs either as solid solution or as nano- Editorial |  | Neyedley, Kevin, Hanley, Jacob J., Fayek, Mostafa, Kontak, Daniel J. (2017) Textural, Fluid Inclusion, and Stable Oxygen Isotope Constraints on Vein Formation and Gold Precipitation at the 007 Deposit, Rice Lake Greenstone Belt, Bissett, Manitoba, Canada. Economic Geology, 112 (3) 629-660 doi:10.2113/econgeo.112.3.629 | Journal (article/letter/editorial) | | Oxygen Isotope Constraints on Vein Formation and Gold Precipitation at the 007 Deposit, Rice Lake Greenstone...Sudbury, Ontario, Canada P3E 2C6 Abstract The 007 gold deposit is located within the 2.99–2.70 Ga Rice...inclusions were trapped during the growth of Q1 (prior to gold deposition), the common occurrence of texturally...suggests that these fluids are likely related to gold deposition. In situ oxygen isotope analysis of barren...flow-through system. An approximate P-T window of gold deposition is constrained using fluid inclusion |  | Okrugin, V. M., Andreeva, E., Etschmann, B., Pring, A., Li, K., Zhao, J., Griffiths, G., Lumpkin, G. R., Triani, G., Brugger, J. (2014) Microporous gold: Comparison of textures from Nature and experiments. American Mineralogist, 99 (5) 1171-1174 doi:10.2138/am.2014.4792 | Journal (article/letter/editorial) | | Volume 99, pages 1171–1174, 2014 Letter Microporous gold: Comparison of textures from Nature and experiments...Abstract Recent experiments have shown that microporous gold can be obtained via the oxidative dealloying of...The same Au textures have been found in natural gold-telluride ores from the Late Miocene epithermal... Russia. This confirms that natural microporous gold can form via the replacement of telluride minerals...event, explaining the wide distribution of “mustard gold” in some deposits. At Aginskoe, the oxidation of |  | Masurel, Quentin, Thébaud, Nicolas, Miller, John, Ulrich, Stanislav, Roberts, Malcolm Peter, Béziat, Didier (2017) The Alamoutala Carbonate-Hosted Gold Deposit, Kédougou-Kénieba Inlier, West Africa. Economic Geology, 112 (1) 49-72 doi:10.2113/econgeo.112.1.49 | Journal (article/letter/editorial) | | 112, pp. 49–72 The Alamoutala Carbonate-Hosted Gold Deposit, Kédougou-Kénieba Inlier, West Africa Quentin...Perry Avenue, Kensington, WA 6152, Australia Ashanti Australia Limited, Asset Development-Brownfields...31400 Toulouse, France Abstract The Alamoutala gold deposit is located in the Kédougou-Kénieba inlier...microtextural data, however, indicate that economic gold mineralization is shear hosted and occurred during...magnetite-bearing skarn was overprinted by a region-wide orogenic gold event in the late Eburnean. Introduction |  | Sung, Y.-H., Brugger, J., Ciobanu, C. L., Pring, A., Skinner, W., Nugus, M. (2009) Invisible gold in arsenian pyrite and arsenopyrite from a multistage Archaean gold deposit: Sunrise Dam, Eastern Goldfields Province, Western Australia. Mineralium Deposita, 44 (7) 765-791 doi:10.1007/s00126-009-0244-4 | Journal (article/letter/editorial) | | ARTICLE Invisible gold in arsenian pyrite and arsenopyrite from a multistage Archaean gold deposit: Sunrise...Springer-Verlag 2009 Abstract The Sunrise Dam gold mine (11.1 Moz Au) is the largest deposit in the Archaean...whereas arsenopyrite contains up to 5,767 ppm (n=19). Gold in arsenopyrite (D4a stage) was coprecipitated and...brugger@adelaide.edu.au M. Nugus Sunrise Dam Gold Mine, AngloGold Ashanti Australia Ltd, Laverton, Western Australia...Seoul 156-706, South Korea remained as “invisible gold” (nanoparticles and/or latticebound) during subsequent |  | Spence-Jones, Carl P., Jenkin, Gawen R.T., Boyce, Adrian J., Hill, Nyree J., Sangster, Christopher J.S. (2018) Tellurium, magmatic fluids and orogenic gold: An early magmatic fluid pulse at Cononish gold deposit, Scotland. Ore Geology Reviews, 102. 894-905 doi:10.1016/j.oregeorev.2018.05.014 | Journal (article/letter/editorial) | | magmatic fluids and orogenic gold: An early magmatic fluid pulse at Cononish gold deposit? Carl Spence–Jones...magmatic fluids and orogenic gold: An early magmatic fluid pulse at Cononish gold deposit?, Ore Geology Reviews...magmatic fluids and orogenic gold: An early magmatic fluid pulse at Cononish gold deposit? Carl Spence–Jonesa...Significant tellurium enrichment occurs in many orogenic gold deposits but the factors causing this are little...Cononish vein gold deposit, Scotland, is unusually Te–rich compared to many orogenic gold deposits with |  | | Report (issue) | | 2 osmium 190.2 iridium 192.2 platinum 195.1 gold 197.0 mercury 200.5 thallium 204.4 lead 207.2............................. R6 Iron Oxide-Copper-Gold Deposits............................................................................. R9 Orogenic Gold Deposits......................................................................... R11 Carlin-Type Gold Deposits..................................................................................... R15 Mine Waste Characteristics.......................... |  | | Journal (article/letter/editorial) | | Original Article (Au, Ag)Te2 Minerals from Epithermal Gold Deposits in Japan Kosei KOMURO1 and Masataka NAKATA2...(AuAgTe4) and krennerite ((Au, Ag)Te2) in epithermal gold telluride ores from Suzaki, Kawazu and Teine are...sylvanite and native tellurium with stutzite, hessite and tetradymite in the coarser gray quartz part...Japanese Islands can be divided into four types: native gold–calaverite at Date and Agawa, krennerite( native...Osore-zan and Mutsu, sylvanite–native tellurium–hessite at Teine, Kawazu, Kobetsuzawa, and Kato, and polyminerallic |  | Li, Chang-Ping, Shen, Jun-Feng, Li, Sheng-Rong, Liu, Yuan, Liu, Fu-Xing (2019) In–Situ LA-ICP-MS Trace Elements Analysis of Pyrite and the Physicochemical Conditions of Telluride Formation at the Baiyun Gold Deposit, North East China: Implications for Gold Distribution and Deposition. Minerals, 9 (2) 129 doi:10.3390/min9020129 | Journal (article/letter/editorial) | | Formation at the Baiyun Gold Deposit, North East China: Implications for Gold Distribution and Deposition...February 2019 Abstract: The Baiyun gold deposit is located in the northeastern North China...shows smooth spectra, indicating that invisible gold exists as homogeneously or nanoscale-inclusions...many visible gold grains and contain little amounts of invisible Au. Notably, visible gold has an affinity...implying that native gold may have resulted from mobilization of preexisting invisible gold in the structure |  | Alfonso, Pura, Ccolqque, Elsa, Garcia-Valles, Maite, Martínez, Arnau, Yubero, Maria Teresa, Anticoi, Hernan, Sidki-Rius, Nor (2023) Mineralogy and Mineral Chemistry of the Au-Ag-Te-(Bi-Se) San Luis Alta Deposit, Mid-South Peru. Minerals, 13 (4) 568 doi:10.3390/min13040568 | Journal (article/letter/editorial) | | was carried out in the San Luis Alta telluriderich gold deposit, mid-south Peru, to contribute towards determining...mineralization is considered an intrusion-related gold deposit located in the Arequipa segment of the Coastal...pyrite with minor chalcopyrite and galena. Native gold and telluride minerals are abundant. Mineral chemistry...mineralogy of veins was classified into four stages. Gold occurs in the three last stages either in large... more frequently, in grains of less than 10 µm. Gold appears as grains encapsulated in pyrite, Fe oxides |  | | Journal (article/letter/editorial) | | of native gold and electrum, the gold telluride calaverite may well be the most important gold ore mineral...development of all other Colorado gold districts. Unlike most gold deposits, weathering of those characterized...fine-grained and dull, mustard-colored secondary gold that is disbursed as tiny particles as the individual...most exciting gold occurrences are either dominated by or contain significant amounts of gold tellurides...tellurides. Sylvanite, another important gold telluride, was featured in a previous Connoisseur’s Choice (Cook |  | Liu, Yuan, Li, Sheng-Rong, Santosh, M., Xu, Hong, Li, Chang-Ping, Liu, Shunhao (2019) Ore-forming physicochemical conditions of tellurium-gold deposits: A case study from the Guilaizhuang deposit, eastern North China. Geological Journal, 54 (4) 2400-2418 doi:10.1002/gj.3303 | Journal (article/letter/editorial) | | Ore‐forming physicochemical conditions of tellurium–gold deposits: A case study from the Guilaizhuang deposit...Beijing, Beijing, China 3 Tellurium–gold deposits differ from normal gold mineralization in their significant...between Au and Te. The Guilaizhuang gold deposit is a major tellurium–gold deposit in the Shandong Province...tellurium, Guilaizhuang Mining Company, Shandong Gold Conglomerate, Pingyi, Shandong, China Correspondence...quartz‐pyrite stage, gold‐polymetallic sulfide stage, gold‐telluride stage, and carbonate stage. The gold‐telluride |  | | Journal (article/letter/editorial) | | speciesin equilibriumwith calaverite(AuTe2)and hessite(Ag2Te)are stronglydependent upon physicochemical...stabilitiesof binary silvertelluridesandternary gold-silvertelluridescannotbe calculateddue to a lack...assemblages,to determinethe physicochemical conditionsof gold-silvertelluride formation.For example,the mutual...of reactionsin the systems dynamic data for most gold and/or silver tellurides. Te-O-H, Au-Te-C1-S-O-H...to understand the originof the BessieG epithermal gold telluride deposit.Unfortunately,details con-AG logKT- |  | Zoheir, Basem, Deshesh, Fatma, Broman, Curt, Pitcairn, Iain, El-Metwally, Ahmed, Mashaal, Shabaan (2018) Granitoid-associated gold mineralization in Egypt: a case study from the Atalla mine. Mineralium Deposita, 53 (5) 701-720 doi:10.1007/s00126-017-0772-2 | Journal (article/letter/editorial) | | Granitoid-associated gold mineralization in Egypt: a case study from the Atalla mine Basem Zoheir 1,2 &...2017 # Springer-Verlag GmbH Germany 2017 Abstract Gold-bearing sulfide-quartz veins cutting mainly through...pyrite-galena-sphaleritechalcopyrite (±gold/electrum ± tetrahedrite ± hessite) assemblage. Gold occurs as small inclusions...the late base metal-gold assemblage are assumed to be below 300 °C. Rare hessite, electrum, and Bi-galena...Bi-galena are associated with sphalerite and gold in the late assemblage. The early and late sulfide minerals |  | | Journal (article/letter/editorial) | | Geology, v. 115, no. 2, pp. 241–277 Gold Remobilization: Insights from Gold Deposits in the Archean Swayze...upgrading of Au that is widely applicable to orogenic gold settings. Data for the Jerome deposit indicate that...development coincident with the presence of native gold and accessory sulfide phases, that are strongly...0.5 to 5 in early pyrite to ≈9 in the new native gold (900 Au fineness) and (2) incorporation of Ag into...39 historic deposits sampled, along with native gold filling structurally favorable sites in vein quartz |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...copper, 51 700 tonnes of silver and 1,9 tonnes of gold. Photo: Olof Martinsson, Luleå University of Technology...Petrology of low-sulphide PGE ores of the Norilsk region ................................................Norman Pearson, Jan Kramers & Dmitry Kuzmin Orogenic gold deposits .. ................................................................... 1085 The orogenic gold mineral system . . ............................ |  | | Journal (article/letter/editorial) | | of the coupled behavior of gold and silver in hydrothermal processes: Gold fineness, Au/Ag ratios and their... Rickard Keywords: Hydrothermal gold deposits Ore geochemistry Gold fineness Au(Ag)-bearing pyrite Thermodynamic...modeling Au/Ag ratios a b s t r a c t An estimation of gold fineness deposited from aqueous sulphide–chloride...of hydrothermal gold deposits of different types are summarized. Wide ranges of gold fineness and low...ore-forming solutions (types I–III). High fineness gold and high values of (Au/Ag)ore ratio of Au–Te, Au–As |  | | Journal (article/letter/editorial) | | Geology, v. 110, pp. 315–335 Gold Mineralization at the Syenite-Hosted Beattie Gold Deposit, Duparquet, Neoarchean...Abitibi greenstone belt, consists of two styles of gold mineralization: lithology controlled and structure...associated with arsenian pyrite and arsenopyrite, with gold being in solid solution within the spongy As-rich...cherty veins, and polymetallic veins. In this facies gold is visible as electrum filling microfractures of...hydrothermal fluids that led to sulfide precipitation and gold deposition in As-rich pyrite and arsenopyrite. A |  | Xu, Wen-Gang, Fan, Hong-Rui, Hu, Fang-Fang, Santosh, M., Yang, Kui-Feng, Lan, Ting-Guang, Wen, Bo-Jie (2014) Gold mineralization in the Guilaizhuang deposit, southwestern Shandong Province, China: Insights from phase relations among sulfides, tellurides, selenides and oxides. Ore Geology Reviews, 56. 276-291 doi:10.1016/j.oregeorev.2013.06.010 | Journal (article/letter/editorial) | | journal homepage: www.elsevier.com/locate/oregeorev Gold mineralization in the Guilaizhuang deposit, southwestern...2013 Keywords: Gold mineralization Sulfide Telluride Selenide Phase relation Guilaizhuang gold deposit China...Guilaizhuang gold deposit is composed of limestone- and breccia-type ores. In the limestone ores, gold is hosted...whereas in the breccia ores, tellurides are the main gold carriers. Selenium often isomorphously substitutes...by phase diagrams at 250 °C, the temperature for gold precipitation in the Guilaizhuang deposit. According |  | | Journal (article/letter/editorial) | | field of Pliocene - Quaternary age, where active gold deposition is identified in hot spring precipitate...1). Reportedly, AngloGold Ashanti Ltd. (AGA) of the USA, Trans Siberian Gold Ltd. (TSG) of the UK and...constrains and the wilderness character of this region. During the Soviet Union era, admittance to the...Trans-Siberian PetropavlovskOkhotsk-Chukotka Kamchatsky Gold PLC, 2004). Volcanic belt Koryaksky-Western Volcanic...Pb and 0.9–29.8 % Zn in the south flank (Fig. 3). Gold and silver contents show a range of 1.3–2.0 g/t |  | Grandjean da Costa, Felipe, Luiz Klein, Evandro, Harris, Chris, Roopnarain, Sherissa (2019) Fluid inclusion and stable isotope (O, H, C) constraints on the genesis of the Pedra Branca gold deposit, Troia Massif, Borborema Province, NE Brazil: An example of hypozonal orogenic gold mineralization. Ore Geology Reviews, 107. 476-500 doi:10.1016/j.oregeorev.2019.03.007 | Journal (article/letter/editorial) | | C) constraints on the genesis of the Pedra Branca gold deposit, Troia Massif, Borborema Province, NE Brazil:...Brazil: an example of hypozonal orogenic gold mineralization Felipe Grandjean da Costa, Evandro Luiz Klein...C) constraints on the genesis of the Pedra Branca gold deposit, Troia Massif, Borborema Province, NE Brazil:...Brazil: an example of hypozonal orogenic gold mineralization, Ore Geology Reviews (2019), doi: https://doi...C) constraints on the genesis of the Pedra Branca gold deposit, Troia Massif, Borborema Province, NE Brazil: |
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