 | 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) | | Crustal-Scale Fluid Evolution in the Kwekwe District, Midlands Greenstone Belt, Zimbabwe: A Combined Geochemical,...The Kwekwe district comprises the central part of the Archean Midlands greenstone belt of Zimbabwe and...Sb-bearing stage 3. Four gold deposits within the Kwekwe district have been studied. The Primrose and Globe and...gold mineralization at Jojo and especially the Indarama gold deposits probably formed at lower temperatures...early moderate- to late high-salinity fluids. At Indarama, microthermometric studies indicate stibnite-gold |  | | Journal (article/letter/editorial) | | mineralization in the Midlands greenstone belt: a new type of low-grade gold deposit in Zimbabwe Received: 29...in the Kwekwe district near the Indarama mine, approximately 200 km southwest of Harare, Zimbabwe. Based...shear-zone hosted gold mineralization in the Kwekwe district, for which a deep crustal origin has been discussed...central part of the Midlands greenstone belt is one of the largest gold districts in Zimbabwe and, on a world...gold-antimony deposits. During the past ten years, the Midlands greenstone belt has been the subject of several |  | | Report (chapter) | | mineralization in the Kadoma region of the Midlands greenstone belt, Zimbabwe R. J. H E R R I N G T O N Department...located in distinctive structural settings, and Zimbabwe is a good example with over 90% of its gold production...hosted deposits. The structural framework of the Zimbabwe craton is dominated by the evolution of the c...major shear zones focused strain, which in the Midlands greenstone belt, evolved from pure N-S compression...structural features seen in the gold deposits of the Midlands greenstone belt are consistent with such a model |  | | Journal (issue) | | Geological Society of Zimbabwe Newsletter September 2006 Geological Society of Zimbabwe Newsletter September...SOCIETY OF ZIMBABWE, P.O. BOX CY 1719, CAUSEWAY, HARARE Geological Society of Zimbabwe Newsletter ...Department, University of Zimbabwe ………………………………………….. 8 The Geological Survey of Zimbabwe ……………………………………………………...…………………………………………………… …. 15 2 Geological Society of Zimbabwe Newsletter September 2006 Editorial Welcome...planned trips are to How Mine, Sternblick Quarry and the Antech Laboratory in Kwekwe. If there is anyone interested |  | Nutte, T. H. C., Oberth�r, T., Saager, R., Tomschi, H. -P. (1988) The geology, mineralogy and geochemistry of the broomstock gold deposit, Kwekwe Greenstone Belt, Zimbabwe; Some implications for gold mineralization in jaspilite iron formations. Mineralogy and Petrology, 39 (2) 145-162 doi:10.1007/bf01184820 | Journal (article/letter/editorial) | | Geochemistry of the Broomstock Gold Deposit, Kwekwe Greenstone Belt, Zimbabwe; Some Implications for Gold Mineralization...Geology Department, University of Zimbabwe, Mount Pleasant, Harare, Zimbabwe, 2 Mineralogisches Institut,...1988; accepted April 22, 1988 Summary At Broomstock Mine, three types of gold mineralization have been identified:...der Goldlagerstiitte Broomstock im Kwekwe Greenstone Belt, Zimbabwe: Bedeutung ~ r Goldvererzung in jaspitischen...jaspitischen Eisenformationen. In der Broomstock Mine treten drei Typen yon Goldmineralisationen auf: |  | 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) | | Mazowe area, Harare-Bindura-Shamva greenstone belt, Zimbabwe: II. Genetic relationships deduced from mineralogical...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) | | 1989;Guillemette andWilliams-Jones, 1993). with magnetite, e.g.,in the Murchison antimony belt, South Africa(Pearton...andthe conditions of deposition. fromthe Seiniijoka district,Finland(Borodaev et al., 1983), Stibnite,ashasalreadybeennoted...1988). vanandAndrS•,1994),andtheAlpha-Gravelotte mine,South Interestingly, theprincipal mineral associations...Nativeantimony or gudmundite dominant Seiniijoki district,Finland PiiakkOnen (1966),Balitsky et al. (1976)...topolo- positin whichgudmundite istedstablyis Indarama, Zimbabwe (Mehliss, 1968).The giesin thissystem. CONTROLS |  | | Journal (article/letter/editorial) | | precipitation mechanism for ores in the Xikuangshan ore district, conventional and infrared microthermometric measurements...stibnite and associated gangue minerals in this ore district display significant differences. Fluid inclusions...stibnite and gangue minerals in the Xikuangshan ore district were not co-genetic, they were deposited from...less than 20% ore reverses in the Xikuangshan ore district, and early-stage quartz-stibnite ores with about...ore and gangue minerals in the Xikuangshan ore district. Our new results reveal the Xikuangshan antimony |  | | Journal (article/letter/editorial) | | Epitaxial relationships of clinopyroxene-hosted magnetite determined using electron backscatter diffraction...system, western U.S.A.—P.G. DeCelles Origin of magnetite- and ilmenite-series granitic rocks in the Japan...Light rare earth elements enrichment in an acidic mine lake (Lusatia, Germany)—Elke Bozau, Marc Leblanc...anthropogenic factors influencing mercury speciation in mine wastes: An EXAFS spectroscopy study— Christopher...by oxygen isotope data: The case of Sandawana, Zimbabwe—Johannes C. (Hanco) Zwaan, Alain Cheilletz, and |  | | Report (volume) | | Blenkinsop examine Archaean deformation patterns in Zimbabwe and the adjacent Limpopo Belt and discuss the...Stratigraphic and tectono-stratigraphic problems in Zimbabwe and Western Australia are described in the next...mineralization in the Kadoma region of the Zimbabwe Midlands. Three papers describe the structures of the...:INSOP,T. G. Archaean deformation patterns in Zimbabwe: true indicators of Tibetan style crustal extension...geochronology of Archaean felsic sequences in the Zimbabwe craton: a revision of greenstone stratigraphy |  | | Book (edition) | | Thus, oxides such as chromite, ilmenite, and magnetite plus PGE alloys separate from the siliceous melt...grey). 10 Cumulus (continued) Right: Skeletal magnetite in the siliceous matrix of a basalt (light grey...grey crystals). Right: Dendritic magnetite in a historic Etruscan slag (lighter grey), again in a silicate...Interstitial pyrite (cream) and connected droplet in a magnetite matrix (grey). Exsolution Generally, exsolution...(coatings, pseudomorphs). Nano-minerals, such as magnetite from magnetotactic bacteria, are not discussed |  | | Book (edition) | | Galaxite IV/B.01-30 604 Gahnite IV/B.01-40 606 Magnetite IV/B.02-20 608 Jacobsite IV/B.02-30 610 Franklinite...(yellowish white), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum...(greenish grey), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum...(bluish grey shades), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // 8 Gold A ...sample - photo A), dolomite (dark grey); Harstigen Mine, Pajsberg, Filipstad, Värmland, Sweden [j]; Nic |  | | Report (issue) | | interest in the geo logy and mineral resources of Zimbabwe which followed the removal of United Nations sanctions...original Bulletin is the insertion of Table IIIA, Zimbabwe Mineral Production and Value, on page 114A. Due...for views of Wankie Colliery and the Trojan nickel mine, and to the Photographic Section of the Ministry...near Salisbury. facing page 23 IV Trojan Nickel Mine, near Bindura. facing page 33 V The Great Dyke...Complex. VI Chrome seam in the Great Dyke, Vanad Mine. VII Lower Karoo Landscape. No. 1 Colliery, Wankie |  | | Journal (article/letter/editorial) | | classification rocks. Nickel also occurs as a nickeloan magnetite. The Shanganideposit,the most recent nickel dis-...Rhodesia(locatedin the Midlands greenstonebelt, intrusive granites. The Scotia Talc Mine in the halfway betweenthe...GeologicalSetting Area and Reference Range Mean Selukwe Peak Mine 52.32-58.41 55.59 Railway Block, Priority 1 Magazine...Prince Mine situated near the of the complex. Tremendous tonnages of inter- King asbestos mine (Fig...areaaroundGatooma,which is located in the northern part of the Midlands belt (Fig. 1), there were 359 minesthat Dyke, |  | | Journal (issue) | | Sci 69(5):452-454 Research article Arsenic in mine waters: an international study M. Williams Abstract...Hydrochemical data are presented for arsenic (As) in the mine waters of 34 gold and base-metal mining localities...As**-As°* relationship with mine water pH/Eh regime. Important determinants of mine water As fluxes include...sequence that follows sulphide oxidation, climate and mine management. Human toxicological im- pacts of As...risk assessment. Keywords Speciation Arsenic - Mine waters - Toxicity - Mobility - transformations |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO...Harding Co .. South Dakota. and at the Fuemrole No2 mine, Emery co .. Utah. Also at Menzenschwand Scbwarzwald...mainly in crystals to 5 cm at the Himmelsftirst mine, Freiberg, both Saxony, Germany. In the subtropical |  | | Journal (issue) | | ..... 337 by D. J. Mossman The Colorado Quartz mine, Mariposa County, California: a modem source of...she and Brooks became part owners of the Old Yuma mine nearby. After a few years her strong love of minerals...ventures in Mex ico (particularly the San Francisco mine in Sonora). Many extraor dinary specimens passed...fuse cutting pliers, and plunger-type detonators. Mine bells and the bell signal sign that accompanied...underground wiring (left one, green, is marked “JEFFREY MINE IN SULATOR”; right one, purple, is marked “CALIFORNIA”); |  | | Book | | Introduction CHAPTER I Mink Labotjb 1. Census of mine employees.—2. Socialistic Unionism.—3. Premium on...French company.—10. Tronoh mines.— 11. Batu Gajah district.—12. Gopeng hydraulicking.—13. Pioneer dredges...Bulkheads.—14. Stope and block methods at Central Mine ..... 108-1 1G xii CONTENTS CHAPTER XII NEW...117-124 CHAPTER XIII TASMANIA Mount Lyell Copper-Mine 1. Region of divera interests.—2. Climatic defects...CHAPTER XIV TASMANIA—Continued Mount Bischoff Tin-Mine 1. Hardships of pioneers.—2. First points of attack |
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