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| ZIMBABWE GEOLOGICAL SURVEY BULLETIN No. 90 The Erosion Surfaces of Zimbabwe L. A. LISTER, M.Sc., D.Phil...LIBRASĂŹ ZU - 06.01 Ă–lungen ĂŻte 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...earlier authors had postulated. Cainozoic tilting in Zimbabwe, which raised the eastern margin of the country |
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| 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 |
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| supergene, polymetallic ores from the Sanyati deposit (Zimbabwe): A case study vorgelegt von Diplom-Geologin...HL-SX-EW process for copper recovery 20 2. The Sanyati copper ore deposit 24 2.1 Geographical situation...The Sanyati supergene mineralisation 34 2.5 Mining and benefication activities at the Sanyati mine...5.2 Mining process 36 2.6 HL-SX-EW at the Sanyati mine 37 3 Field- and laboratory work 40 3.1 Fieldwork...Fieldwork 40 3.1.1 Sampling of orebodies and run-of-mine ore dump 40 3.1.2 Sampling of host rock 41 3 |
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| setting of the Palaeoproterozoic Magondi Supergroup, Zimbabwe – Type locality for the Lomagundi carbon isotope...the Archaean granitoid-greenstone terrain of the Zimbabwe Craton and experienced deformation and metamorphism...greenschist and amphibolite facies grade to the north along strike and, more dramatically, across strike...the Magondi Basin, the Limpopo Belt between the Zimbabwe and Kaapvaal cratons, and the Kheis Belt on the...presented for the assembly of the Kaapvaal and Zimbabwe cratons at ca. 2.1–2.0 Ga. These cratons along |
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| Escarpment Grits and Angwa Sandstone Formation in Zimbabwe; Table 1) variously classified into the Beaufort...mentioned in the text, including the Okavango-Kalahari-Zimbabwe (OKZ) epeirogenic axis (thick black line) and...Eastern ZimbabweCabora Bassa Mid-Zambezi Basin (Zimbabwe) Bimodal volcanics Forest Sandstone Forest...orogenesis in intersecting linear orogens, including the north to south trending PanAfrican, East Africa-Antarctica...the Zambezi River Valley in north-western Mozambique and eastern Zimbabwe (Figure 2). The lithostratigraphy |
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| Geology, University of Zimbabwe, P 0 Box MP167, Mount Pleasant, Harare, Zimbabwe ABSTRACT This paper presents...the internal zone of the Magondi Belt northwest Zimbabwe. The Concordia age of 1997.5 ±2.6 Ma obtained...Belt The tectonic framework of Zimbabwe comprises the Archaean Zimbabwe Craton, flanked to the southeast...Palaeoproterozoic Magondi Belt and to the east and north by the Neoproterozoic (Pan-African) Mozambique and...northwest margin of the craton is a northeast to north striking fold and thrust belt in which structural |
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| mass are no younger than those beneath it to the north. R~som4 Sept nouveaux ~ges g6ocbronologiques par...deformed and strongly metamorphosed rocks around the north-western and northern margins of Rhodesia has been...the Zambezi and Irumide belts. I n the Urungwe District, metamorphic rocks of different ages intersect...7. Tengwe Fly Gate, 8. Mukaka Tanwa, 9. Mukaka North, 10. Mtshowe River, 11. Gwlwa, 12. Mugaroro Fly...strike for a distance of over 400 kms from the north-east corner of Rhodesia (17 ~ S, 38 ~ E) to the |
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| potassium et bore et la daloritisation intense ~ Norah Mine en particulier, sont interpr~t6s comme une preuve...metasomatism and intense chloritisation at Norah Mine in particular are interpreted as further proof of...discovery of copper deposits in the Lomagundi District, a study of mineralogical and geological data...of granite and arkose, Ridziwi River, two miles north of Mangula. Irregular stoping of microcline granite...by the findings of WORKMAN(1961) in the country north of STAGMAN'Sgeological map of Mangula. The Lomagundi |
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| however, and it is only in places, towards the north, that we find areas of crystalline schists, associated...probably as large and as interesting as that of North America itself. During the past eight years I have... few of the intensely sheared rocks of such a district, except very locally--a few yards, for instance...Rifle Kopje, near Bulawayo; Red Hills, Victoria district). In other cases they occur as well-marked dykes...of the Sebalcwe River, near the Globe # Phoenix Mine. the great iron-beating group of the Lake Superior |
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| \ \I Cover: The De Wet Shaft, Tsumeb mine (photograph by Dr Gabi Schneider, Geological Survey of Namibia)...from the Tsumeb deposit (Namibia) and the Clara mine, Schwarzwald (Germany). At Tsumeb, the phase occurs...zone along 30 Level. The material from the Clara mine is a sulphate-rich variety. 13 --, Type mineralogy...has also recently been described from the Clara mine, Schwarzwald, Germany (Walenta, 1990). The phase...described by Rouse et al. ( 1988) from the Kombat mine. Asisite occurs as transparent yellow to yellow-green |
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| ................................ 1114 MOSS OPAL MINE IN WESTERN NEBRASKA. By Richard Mitchell .........Foster Mine Open to Collectors Editor R. & M .: The writer purchased the Tilly Foster Iron Mine property...warn them to b:! careful and not fall in the old mine pit as the water is about 700 feet deep. I read...manners, which nearly forced the company to dose their mine to all intruders. For the benefit of us all, which...mineral collectors know, the following rules of mine etiquette should be strictly adhered to : 1104 |
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| tIii• so11th, ancl �[r. Dohell the area Lo the north of Lhc l'1111'uli rin•1·. 1'hl' ai·t•a is rnther...Giant rnin<', and the C:aclzema area, excluding this mine, has produced almost as lllUC'h gold as the l,owet·...Annlyses of Giant Neighbour mine ore XII :lnulyses of Kew Found Out mine ore 134. PLATES 'l'hP L...L 111fuli gorge, south of Adela mine, looking Frontispiece ea t I Fncing pngo l[ A Umfuli riHr, south-wc�l...south-wc�l of N'oel Gift mine ,1 B Nyarukure scarp, north of Nduu: quartzites o,·crthrust on lo slulcs |
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| Belt. Edited by K. Coe • • Structural Geology of North America. 2nd Ed. By A. J. Eardley • Backbone of...Accra region . . . page View of road sections from north-western end of ne\v road . . . . . . . . ' View...magnetisation of Upper Tertiary volcanoes, Nairobi district, Kenya . . . . Mean directions of magnetisation...the 'Cantonments Quartzite', immediately east and north-east of the Middle Devonian of Accra but not extending...Quartzite, which extends from Achimota village as far north-east as two miles or so beyond the University. Giffard |
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| reaching a maximum of 30 ft. in the Mile Gully district. The Survey geologists were further aware of the...over 2,000 ft., with regional dips towards the north and south, or NE and SW respectively. At higher...series is developed in a zone extending along the north coast in Lower St. Ann, Trelawny and especially...a limestone plateau east of Claremont, in the district of Pedro and in the areas around Alexandria and...Catherine wide areas of lower grade bauxite occur north-west of Spanish Town, and extend farther up into |
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| REMARKS by PROFESSOR R. A. L. BLACK 95 MISTRESS MINE by H.J. MARTIN 96 DELEGATES IN ATTENDANCE • INDEX...excess of 12 million pound, already. valued ·at mine·. The main minerals. of cot1r,e. have been tin....particularly the tructure at depth. As Minister of Mine . 1 am extremely interested in the po sibilities...the unwcathcred zone. is much more expensive to mine. The coarse beryl con tent of many pcgmatites is...in the p�gmatite deposits 1mmcd1at..:ly to the north of Salisburv. Caesium with rubidium is present in |
