 | | Journal (article/letter/editorial) | | Department of Geology, University of Zimbabwe, MP167, Harare, Zimbabwe (Manuscript ucceptecl July 14, 1997)...metamorphic data froni the Trojan nickel mine area i n the Shamva-Bindura Greenstone Belt (SBGB) show that...stratigraphy, while metamorphic conditions in the mine area reached about S O O T at pressures of 3-4 kbar...rccrystallisation of M, assemblages. M? temperatures in the mine area reached 565°C. Such high contact metamorphic...mantled-gneiss, nappe structure represented by the Madziwa Batholith and a mantle of mafic greenstones to |  | | Report (issue) | | ------------3. Nickel deposits in the Sudbury district, Ontario, Canada-----------------------4. Nickel...------------------9. Proportions of total world mine production of nickel accounted for by countries...-------------------------------------10. Nickel mine production in countries having major deposits and...----------------Estimated cumulative and annual mine production of nickel, contained in ore, concentrate...each country having a major nickel deposit or district ---------------------4. By economic class of |  | | 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...Marginal Zone Central Zone 46 47 48 51 The Zambezi Metamorphic Belt . Western Section Central Section Eastern...near Salisbury. facing page 23 IV Trojan Nickel Mine, near Bindura. facing page 33 V The Great Dyke |  | | Journal (article/letter/editorial) | | Sweden (Sverige) Gladhammar mine, nickel-rich carrollite, 737 Harstig mine, Pajsberg, sarkinite, 681 Norr6...Norr6, arrojadite (hiihnerkobelite), 23o Sjo mine, Grythytte Parish, Orebro, xantharsenite, polyarsenite...Cornwall, luxullianite, 441; 442 Scar Crag, Lake District, arsenopyrite, alloclase, glaucodot, cobaltian...Court farm, Ramsgate, Kent, chalk, i6o Tynebottom mine, Garrigill, Cumbria, arsenical marcasite, gersdorffite...kidwellite, 952 WALES(Cymrul Dyfed, illite, 857 Parc mine, Gwynedd, hydrozincite, nickeloan hydrozincite, |  | | Report (issue) | | resources and mine production by geologic deposit type. . . 5. Distribution of cobalt resources and mine and metal...TABLES Page TABlE 1. 2. 3. 4. 5. 6. World cobalt mine production 1977-83................................1983................ v S 6 9 10 13 14 16 8. Mine production of cobalt in 1983 by geologic deposit...production of cobalt-in-ore, 189~1982.......... Mine production of cobalt in 1983 by economic class of...example those of New Caledonia or the Sudbury district (Canada), have made little effort to evaluate |  | | Journal (issue) | | Geological Society of Zimbabwe Newsletter February, 2011 Geological Society of Zimbabwe G Z S Newsletter...SOCIETY OF ZIMBABWE, P.O. BOX CY 1719, CAUSEWAY, HARARE Geological Society of Zimbabwe Newsletter ...……………………….. Geology Department, University of Zimbabwe ……………………………………… Geological Survey Department ...Committee, on behalf of the Geological Society of Zimbabwe, would like to offer a sincere vote of thanks...debeer@cadline.co.zw 2 Geological Society of Zimbabwe Newsletter February, 2011 Editorial Here we |  | | Journal (article/letter/editorial) | | gradients in which very low grades typical of the central craton pass into extremely high grades that define...Gatooma-Hartley; (11) Gwanda; (12) Gwelo; (13) Lonely Mine; (14) Lower Gwanda; (15) Makaha; (16) Mashaba; (17)...(22) Salisbury; (23) Selukwe; (24) Shabani; (25) Shamva-Bindura--Mazoe; (26) Sinoia; (27) Sipolilo;(28)...successions are noted, viz. 12 km in the Bulawayo District (Amm, 1940), 24 km at Hunters Road, Gwelo (Macgregor...high-grade granulite rocks already described, and a central zone in which the strike o f the metasedimentary |  | | Journal (article/letter/editorial) | | Orogen, Western Australia) Plan on usi Intr r gabbro Younge tite Troctolite+perido Perid ga bb ro...granulites+ garnetiferous paragneisses Norite (Olivine gabbro, peridotite) D. Kalatongke (CAOB, NW China) Yo...termination based on composite of Kalatongke and the Central Asian orogenic belt (CAOB) intrusions; (F) Huangshandong...mafic-ultramafic intrusion-hosted deposits in central Finland (Makkonen, 2015), Radio Hill (De Angelis...shown in Figure 1D-G. Numerous intrusions in the Central Asian orogenic belt, of which Huangshandong (Fig |  | | Report (issue) | | ZIMBABWE GEOLOGICAL SURVEY BULLETIN No. 90 The Erosion Surfaces of Zimbabwe L. A. LISTER, M.Sc., D.Phil...LIBRASÏ ZU - 06.01 Ölungen ïte Cstteilands 72& ZIMBABWE GEOLOGICAL SURVEY BULLETIN No. 90 iSRiC LIBRARY...Wagentngen, The Netherlands The Erosion Surfaces of Zimbabwe L. A. LISTER, M.Sc, D.Phil. ISSUED BY AUTHORITY...the erosion surfaces of Zimbabwe. She has lectured at the University of Zimbabwe since 1963 and this Bulletin...course of this work, it was realized that the high Central Axis is the result solely of being the divide between |  | | Journal (article/letter/editorial) | | the Main Sulfide Zone (MSZ) of the Great Dyke, Zimbabwe—see Maier (2005) for a summary of global occurrences...No S S VB S S S S S MSZ S J Magnetite-gabbro-diorite Pyroxenite-norite Peridotite S-poor, undeformed... harzburgite, pyroxenite, norite–gabbronorite– gabbro, troctolite, anorthosite, chromitite and magnetitite)...pyroxenite (Santa Rita, Selebi Phikwe), olivine gabbro (Noril’sk), gabbronorite (Sudbury, Nebo-Babel,...cratons include the Kaapvaal (mainly PGE deposits), Zimbabwe (Ni–Cu and PGE), Yilgarn (Ni–Cu only), Superior |  | | Journal (article/letter/editorial) | | same sense as we use 'relics' with regard to the Shamva Greenstone Belt of Rhodesia. The 'schist relics'...attempted. One such early intrusive at Selkirk, a meta-gabbro, contains economic reserves of copper-nickel sulphides...microcline-rich zones. G2 paragneisses Almost half of the district is underlain by the G2 paragneisses and migmatites...extend westwards under the Karroo/Kalahari cover in Central Botswana. F2 of the Rhodesian Craton and the Limpopo...or ultrabasic rock analyses such as troctolitic gabbro (Turner and Verhoogen, 1960, p. 178) or picrite |  | | 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...gold mineralization in the Kadoma region of the Zimbabwe Midlands. Three papers describe the structures...and cross sections showing the evolution of the central Asian basins. This collection of papers therefore...larger than life, professors in geology, with a central role in guiding the future of research and geological |  | | Book | | USSR Academy of Sciences, Chernogolvka, Moscow district, U . S . S . H . J. Foden, Bureau of Mineral Resources...Rhodesia, Box M.P. 167, Mount Pleasant, Harare, Zimbabwe. R.W. Ojakangas, Department of Geology, University...O. B o x . MP. 1 6 1 , Mount Pleasant, Harare, Zimbabwe. B.F. Windley, Department of Geology, University...AND PETROGENETIC IMPLICATIONS, ARUNTA INLIER, CENTRAL AUSTRALIA. A.Y. Glikson and J. Foden 281 EVOLUTION...MINERALISATION IN THE EARLY PRECAMBRIAN CRUST OF ZIMBABWE J.F. Wilson and T.H.C. Nutt 555 MINERAL OCCURRENCES |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | Tertiary/Quaternary volcanic rocks of the Cordillera Central are favorable hosts for hot spring gold-silver...zones in young volcanic rocks of the Cordillera Central and southern Cordillera Occidental may well be...complex mineralogy (such as the California-Vetas district) would be useful, not only for exploration in...Cretaceous sandstones and shales dominates the central part of the Cordillera Oriental (Etayo-Serna and...in post-middle Miocene time. (4) The Cordillera Central, which contains Precambrian and Paleozoic crystalline |  | | Book | | problem is like no other problem in geology. It is central to the human condition, and it is worth pursuing...work, ranging from the group of fellow workers in Zimbabwe (M.J. Bickle, A. Martin, J.L. Orpen, J.F. Wilson)...debt to those geologists who have worked for the Zimbabwe Geological Survey and its predecessors over the...Special Publication of the Geological Society of Zimbabwe, R.P. Foster (ed.), by permission of A.A. Balkema...Surv. Bull. No. 67 by permission of the Director, Zimbabwe Geological Survey; Figure 6.3 reproduced from |  | | Report (volume) | | rock types 133 Cross section through the Kalavos district Cyprus showing relationship of massive sulfide...based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...represents an individual deposit (or, rarely, a district), cumulated in ascending grade or tonnage. Where...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such |  | | Book (edition) | | mineral is stretched during tensile stress; Top: The central elongated tatya- boudinage-like textures would... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...of cuprite (bluish grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co.,...vein in jasper (red internal reflections); Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey...argentite reaction rim (greenish grey; arg); Monte Narba Mine, San Vito, Cagliari Province, Sardinia, Italy; PPL |  | | Report (issue) | | holdings. Prior to 1978, the development of complete mine property cost evaluations was impeded by still evolving...tool. Systems design work also continued on the mine simulation (MINSIM) program, an economic evaluation...reserves. These include implications that because a mine is operating it is profitable, that reported reserves...prices, which are variable over the life of the mine. Economic evaluation is complicated by the presence...and economic variables on viability of individual mine properties (17-18). Nonproducing deposits Producing |  | | Book | | reasons for the approach taken Mineral deposit or mine? A genetic model as the basis for exploration The...many geologists who have given their time during mine visits and responded to our queries. We have benefited...Decline Doline A downward inclined tunnel into a mine or potential ore body. A funnel-shaped depression...shaft excavated upwards for connecting levels in a mine or ore body. Ripping The removal of overburden...of the problems which face the mine geologist. The function of the mine geologist varies considerably |  | | Book (edition) | | (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 ...white), goethite (dark grey); Privolnoye deposit, Central Yakutia, Russia [h]; Nic. // B Amalgam (dark grey)...brown internal reflections); Privolnoye deposit, Central Yakutia, Russia [h]; Nic. + 12 Amalgam A 5μ |  | | Book | | association, which dominates in Archean provinces in central and northern Africa, Greenland, and in the Soviet...) , 17 = Rhodesian (G), 18 = Zambia (H), 19 = Central African (B), 20 = Kasai (H), 21 = Cameroons (H)...(Mason, 1973) and along the eastern margin of the Central African Province (the Mozambiquian Front) (Sanders...depths. P, velocities are about 8 km/s in the central and western parts of the Superior Province - ...belt extending north from Great Slave Lake in the central part of the province, and in a large rather equidimensional |  | | Book | | Peninsula, Monchegorsk region Kola Peninsula, Central part Kola Peninsula, Chuna-Volch'y tundra Kola...6 Kola Peninsula, Voronya Mt. Kola Peninsula, Central part The same rocks, zircon Gneiss-granite and...al. (1977) NN Region 28 29 Stanovoy Range, central part 30 Stanovoy Range, cen tral part, Tynda...basin Rb-Sr 3776 ± 97 Barton et al. (1978) 81 Zimbabwe, Fort-Victoria Leucocratic granodiorite gneiss...Rb-Sr 3520 ±260 Hickman (1974) 82 Zimbabwe, town of Mashaba Zimbabwe, town of Mashaba Mashaba tonalite |  | | Book | | completely unrelated to that which formed the central star, the Sun. Astronomical observation has established...garnet-peridotite block carried to the surface in the De Beer's Mine kimberlite pipe, South Africa. Transmitted light...layer of basalt, beneath which is a layer of solid gabbro. There was frequent bombardment of the surface...trapped plagioclase feldspar, thickens the underlying gabbro. Heat convected from below, together with pressure...10-15 km thick, and was underlain by a layer of gabbro (the coarse-grained equivalent of basalt) produced |  | | Journal (volume) | | reassembled in the mine. But it was worth it! They have helped Morton Salt’s Painesville, Ohio, mine to step up...with 7 and 10 mm openings. 68 behind the grate Mine planners forecast a comeback for dredges . . . Experts...have a busy future. In the recently-opened Hamilton Mine, there are 100 million tons of coal to be dug out...panacea e name nt—th and unemployme ridiculous. central basin (p 57), author Irvin about the Nielsen...around the world. 33 pp, 1968. . : $1.00 Sherman Mine—newest and most modern ore beneficiating and agglomerating |
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