 | | Journal (article/letter/editorial) | | Granite-hosted gold mineralization in the Midlands greenstone belt: a new type of low-grade gold deposit in...in Zimbabwe Received: 29 January 1997 / Accepted: 22 September 1997 Abstract In 1992, the Ford gold deposit...the Kwekwe district near the Indarama mine, approximately 200 km southwest of Harare, Zimbabwe. Based on...are at least 3 Mt with an average gold content of 2.5 g/t. The gold deposit is located within a porphyritic...as the Sherwood- and Taba-Mali deformation zones. Gold mineralization is con®ned to the s-shaped part of |  | Oberthür, T., Blenkinsop, T. G., Hein, U. F., Höppner, M., Höhndorf, A., Weiser, T. W. (2000) Gold mineralization in the Mazowe area, Harare-Bindura-Shamva greenstone belt, Zimbabwe: II. Genetic relationships deduced from mineralogical, fluid inclusion and stable isotope studies, and the Sm-Nd isotopic composition of scheelites. Mineralium Deposita, 35 (2) 138-156 doi:10.1007/s001260050012 | Journal (article/letter/editorial) | | Weiser Gold mineralization in the Mazowe area, Harare-Bindura-Shamva greenstone belt, Zimbabwe: II. Genetic...the Mazowe area some 40 km NW of Harare in Zimbabwe, gold mineralization is hosted in a variety of lithologies...the mainly granodiorite-hosted workings at Mazowe mine are on pyrite-rich reefs, mines of the Bernheim...arsenopyrite-rich ores, and Stori's Golden Shaft and Alice mine, both in metabasalts, work sul®de-poor quartz veins...the Mazowe gold ®eld markedly contrast to ore ¯uids ``typical'' of Archean mesothermal gold deposits on |  | Buchholz, P., Oberthur, T., Luders, V., Wilkinson, J. (2007) Multistage Au-As-Sb Mineralization and Crustal-Scale Fluid Evolution in the Kwekwe District, Midlands Greenstone Belt, Zimbabwe: A Combined Geochemical, Mineralogical, Stable Isotope, and Fluid Inclusion Study. Economic Geology, 102 (3) 347-378 doi:10.2113/gsecongeo.102.3.347 | Journal (article/letter/editorial) | | Fluid Evolution in the Kwekwe District, Midlands Greenstone Belt, Zimbabwe: A Combined Geochemical, Mineralogical...Kwekwe district comprises the central part of the Archean Midlands greenstone belt of Zimbabwe and represents...represents one of few Archean gold provinces in the world hosting gold deposits associated with massive...low-grade Sb-bearing stage 3. Four gold deposits within the Kwekwe district have been studied. The Primrose...Globe and Phoenix gold deposits display typical features of Archean orogenic lode gold systems such as |  | | Journal (article/letter/editorial) | | precipitation mechanism of stibnite-gold mineralization at the Wiluna lode-gold deposits, Western Australia:...Ó Springer-Verlag 2003 Abstract The Wiluna lode-gold deposits are located in the Archean Wiluna greenstone...shear veins and breccias. The 13 individual lode-gold deposits have produced around 115 t Au from 1901...Historically, they also produced 38.3 t As and 3.5 t Sb. Gold formed in two stages: stage 1 goldpyrite-arsenopyrite...wallrock and breccia fragments, whereas stage 2 gold-stibnite is located in massive shear veins and breccia |  | Obolensky, A.A., Gushchina, L.V., Borisenko, A.S., Borovikov, A.A., Nevol’ko, P.A. (2009) Computer thermodynamic modeling of the transport and deposition of Sb and Au during the formation of Au-Sb deposits. Russian Geology and Geophysics, 50 (11) 950-965 doi:10.1016/j.rgg.2009.10.004 | Journal (article/letter/editorial) | | solutions play a crucial role in the formation of gold parageneses of Au-Sb ores. © 2009, IGM, Siberian...quartz-vein Au-Sb deposits are referred to as Au-Sb or gold-stibnite beresite ore association (Berger, 1977...recognized a group of gold-stibnite-quartz deposits as an ore association among other gold-quartz ore associations...Thompson et al., 1999). Gold-antimony deposits show no relationship with gold deposits in granites, which...Au-scheelite-quartz deposits referred to as orogenic gold deposits (Groves et al., 1998). Such relationships |  | | Book (edition) | | Average Hardness Soft minerals, such as galena or gold, are very difficult to polish without any scratches;...trillings is highly diagnostic for some minerals. Left: Star-like safflorite trillings. Minerals with a structure...certain degree of bending, while some metals, such as gold, may be deformed into very thin sheets. The term...pyrite, and irregular late stage pore-fillings of gold (yellow). Right: Finely laminated iron oolith with...Mineral lamellar faint, red yes brown bright green gold-yellow, silver-white (Ag) to copper-red (Cu); 72 |
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