 | | Journal (article/letter/editorial) | | mineralization in the Freda-Rebecca gold deposit ± Bindura District, Zimbabwe Received: 4 January 1999...1999 Abstract The Freda-Rebecca Mine is currently the largest gold producer in Zimbabwe. The ore deposit...main shear systems crosscutting the Rebecca diorite and Bindura granodiorite (2.65 Ga) as well as Shamvaian...contact metamorphism. Following the intrusion of the Bindura granodiorite, intensive hydrothermal alteration...preferentially in the dioritic part of the igneous complex (Rebecca diorite). The hydrothermal alteration started with |  | | Journal (article/letter/editorial) | | mineralization in the Mazowe area, Harare-Bindura-Shamva greenstone belt, Zimbabwe: I. Tectonic controls on mineralization...Stori's Golden Shaft) is situated within the Harare-Bindura-Shamva greenstone belt of the Zimbabwean Archaean...shear zones that dip moderately north at Mazowe mine, and conjugate steep strike-slip shear zones striking...Department of Geology, University of Zimbabwe, P.O. Box MP 167, Harare, Zimbabwe e-mail: tblenki@geology.uz.zw...Hannover, Germany O. Mapeto Mazowe Mine, Private Bag 1, Mazowe, Zimbabwe guished. Many gold deposits are |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter October 2015 No. 3 of 3 of 2015 Heavy mineral concentrate...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ... ARTICLES AND REPORTS A Review of Diamonds in Zimbabwe – a Century On .................................11 12 NEWS Geology Department, University of Zimbabwe – Maideyi Meck ……………… The Professor Tom Blenkinsop... ! ! ! ! ! ! ! ! ! 2 Geological Society of Zimbabwe Newsletter October, 2015 Editorial Welcome to |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S June 2015 Newsletter No. 2 of 3 of 2015 Fun was had by all...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...Nickeliferous Archean Madziwa Igneous Complex, Northern Zimbabwe: Petrological Evolution, Magmatic Architecture...Society of Zimbabwe Annual Symposium 28/11/2014, Geology Department, University of Zimbabwe – Summaries...Ben Mapani ……….. The History of Mica Mining in Zimbabwe – Tim Broderick ………………….. Citation for the A.E |  | Jelsma, Hielke A., Vinyu, Michael L., Wijbrans, Jan R., Verdurmen, E. A. T., Valbracht, P. J., Davies, G. R., Valbracht, P. J. (1996) Constraints on Archaean crustal evolution of the Zimbabwe craton: a U-Pb zircon, Sm-Nd and Pb-Pb whole-rock isotope study. Contributions to Mineralogy and Petrology, 124 (1) 55-70 doi:10.1007/s004100050173 | Journal (article/letter/editorial) | | Constraints on Archaean crustal evolution of the Zimbabwe craton: a U-Pb zircon, Sm-Nd and Pb-Pb whole-rock...felsic volcanic and plutonic rocks from northern Zimbabwe combined with field data and Pb-Pb and Sm-Nd wholerock...radiometric ages for Upper Bulawayan greenstones in the central and southern part of the craton and H.A. Jelsma...Department of Geology, University of Zimbabwe, P.O. Box MP167, Harare, Zimbabwe P.J. Valbracht Institut de Physique...lithostratigraphic correlations for the late Archaean in Zimbabwe. Zircon ages for a syn-tectonic gneiss (2667+4 |  | 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) | | mineralization in the Mazowe area, Harare-Bindura-Shamva greenstone belt, Zimbabwe: II. Genetic relationships deduced...In the Mazowe area some 40 km NW of Harare in Zimbabwe, gold mineralization is hosted in a variety of...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...Department, University of Zimbabwe, P.O. Box MP 167, Mount Pleasant, Harare, Zimbabwe U.F. Hein Institut fuÈr |  | | Journal (article/letter/editorial) | | In the Zimbabwe Craton, gold mineralization at the Ford (Buchholz et al., 1998), Freda-Rebecca (Klemm...other Archean terranes (e.g., Superior, Slave, Zimbabwe), represent a subgroup of the orogenic gold deposit...systems throughout the Eastern Goldfields and central Murchison provinces (Smithies and Champion, 1999)...monazite; mt, magnetite; mu, muscovite; pc, plagioclase; po, pyrrhotite; py, pyrite; qz, quartz; ru,...biotite, chlorite, actinolite, alkali-feldspar, plagioclase (An < 20) and calcite, whereas mid-to upper-amphibolitefacies |  | | Journal (article/letter/editorial) | | 2007 Abstract The Wangfeng–Tianger–Saridala ore district consists of over 20 orebodies with total proven...proven gold reserves exceeding 15 tonnes. The district is located on the EW-striking Tianger (Bingdaban)...amalgamated, partly around the Precambrian Yili Block (central Tianshan terrane), during a complex series of Devonian...Precambrian nucleus commonly termed the Yili Block or Central Tianshan Orovince (He et al., 2005). The three...part of the studied shear zone, both quartz and plagioclase have experienced ductile shear processes, cross-polarized |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter February 2015 The annual Summer Symposium has been...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...Dyke, Zimbabwe Freddy Chikwiri …………………………………………………………………….. Hydrocarbon Potential in Zimbabwe - Brent...……………………………… 14 NEWS Geology Department, University of Zimbabwe ……………………………….. The Professor Tom Blenkinsop UZ...………………………………………. 24 2 Geological Society of Zimbabwe Newsletter February, 2015 Editorial Its AGM |  | | Journal (article/letter/editorial) | | terrane accretion, the earliest assembly of the Central Asian Orogenic Belt (CAOB). Permian collision of...gold ores in northern Mongolia (e.g. Boroo) and central to eastern Transbaikal (e.g. Darasun, Tokur). Arc...09596 Freiberg, Germany 3 Centre for Russian and Central EurAsian Mineral Studies (CERCAMS), Department...(Kyzylkum, Western Uzbekistan) and Charmitan (Nuratau, Central Uzbekistan), which are both located within the...Metall. B) 2010 VOL 119 1 Major arc systems of Central Eurasia with the location of key deposts highlighted |  | | Book | | be utilized in issues such as the control of acid mine drainage, and soil and erosion management. Mining...concentration of the ore in the first place, will be central to this entire operation. The discipline of “economic...of the nature and workings of the earth system. Central to this is an understanding of metallogeny and...the Earth. The world’s deepest mine, the Western Deep Levels gold mine near Johannesburg, South Africa...Cr, Ni, Pt Sheeted dykes Cr Partial melting Plagioclase Pyroxene Olivine 21 Lavas ed) Oceanic lithosphere |
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