 | | Journal (article/letter/editorial) | | deposits of the Postmasburg manganese-field, South Africa E. von Plehwe-Leisen, D.D. Klemm Department...r t h e r n C a p e P r o v i n c e / S o u t h Africa. T h e y are a s s o c i a t e d to a geological...events. Local geology The stratigraphic development of the Griqualand West Sequence in the Northern Cape...the lithostratigraphic classification of SACS (South African Committee for Stratigraphy) of 1980 is used...The erosional period in the North, East and the South of the Maremane Dome lasted until Asbestos Hills |  | | Journal (article/letter/editorial) | | minerals(Hew- portant contributionshave been made by John de ett and Fleischer,1960), and the GriqualandWest...0861-0128/88/192/1108-1152.50 Mn DEPOSITS, SOUTH AFRICA 1109 Geologic Framework .⢠â˘:â˘:â˘:â˘:â˘:â˘:â˘:â˘:â˘:â˘...Asbesbergebanded iron-formation in the Postmasburg-Sishen areabe redefinedasthe Manganoreironformation of...FIG. 1. Simplifiedgeologicmap of the Griquatown-Sishen area (Institutefor CartographicAnalysis,Universityof...Stellenbosch). 1110 j. E. DE VILLIERS proximatelynorth-south,and regionalshearingand (includingmetamorphic deposits) |  | | Book | | 2. Model Test Area: Moanda Deposit, Gabon, West Africa 2.2.2.1. Introduction 20 20 23 23 23 25 25 27...Postmasburg Region, Griqualand West, Cape Province, South Africa 3.3.1. Geological Setting 3.3.2. Genesis...Manganese Ore Formation Manganese Ore Deposits of North Africa: Imini, Morocco 3.4.1. Geological Setting 3.4.2...ancient glaciers, and the glaciation epoch of the northern countries - in Scotland, in Scandinavia, in Finland...northeastern part of Russia, in states of Canada and the Northern Ameriea - they are found here in rivers, where |  | | Journal (article/letter/editorial) | | (Karatau, Khubsugul, and South China basins), Australia (Georgina basin), Africa Fig. 1. Geological structure...Karatau range (Kazakhstan). (b) Section of the northern Tszyangsi Province (Bushinskii, 1966). (c) Section...Depression (Bushinskii, 1966). (d, e) Sections in the northern Sinan Depression (Bushinskii, 1966). (1) Gneisses...(11) Mn-bearing rocks. (Upper Volta, Benin), and South America (Minas Gerais basin). North America is the...FeâMn hydroxides. These ore minerals constitute local autonomous laminae alternating with thin layers |  | | Book (edition) | | Southern Africa a Collectorâs Guide â Rocks, Minerals and Gemstones of Southern Africa & â - ... T ~ '' .rats en&nes L of Southern Africa A Collectorâs Guide - Struik Publishers (an operating...Ltd.) Struik House Oswald Pirow Street Foreshore, Cape Town 8001 First edition 1976 Second edition 1983...ŠE.K. Macintosh Cover design by Neville Poulter, Cape Town Lithographic reproduction by Tien Wah Press...Ltd, Singapore Photoset by McManus Bros (Pty) Ltd, Cape Town Printed and bound by Interpak, Pietermaritzburg |  | | Journal (article/letter/editorial) | | DepositâKalahari Manganese Ore Field (Northern Cape, South Africa): Geochemistry of Isotopes (δ13C and...1134/S0024490212030054 The Northern Cape manganese ore province (South Africa) is confined to the Kalahari...southeastern Kalahari Desert (Fig. 1) 60 km north of the Sishen Settlement. The province accommodates huge manganese...Manganese ores of the Kalahari Desert (Northern Cape province, South Africa) are confined to rocks of the Hotazel...Supergroup (Fig. 2). At ore deposits in the Northern Cape province, the Early Proterozoic section of the |  | | Journal (article/letter/editorial) | | P. R. oB Vrr-trnns2 GeologicalSuruey, Pretoria, South AJrica AND F. H. HBnnsrnrN3 Chemical Physics Group...ustr'ialResearch,Pretor'ia,South AJrica. Alsrucr Braunite from the Northern Transvaal has cell dimensions...47a SiOr) from the Black Rock manganese mine, northwestern Cape Province has been - I4t/ acd'.This is consideredto...1e65). 2 Present address: Research Laboratories, South African Iron and Steel Corporation, Pretoria. 3...Potgietersrust, Northern Transvaal. Manganese is present in the low-grade ore as braunite, psilomelane, and pyrolusite |  | | Journal (article/letter/editorial) | | environments by hydrothermal/volcanogenic processes (e.g. Northern Apennine Ophiolitic Complex, Italy, Bonatti et...the lower Proterozoic Transvaal Supergroup, South Africa (Beukes, 1983, 1984; Miyano and Beukes, Dr...dominated by pyrolusite, cryptomelane and/ or psilomelane (roman~chite) or other Mn 4+dominated phases...assemblages (cf. pyrolusite and cryptomelane/psilomelane, depending on available cations). On the other...the Kanpa deposit. Pyrolusite, cryptomelane, psilomelane (roman~chite), lithiophorite and hematite occur |  | | Journal (article/letter/editorial) | | todorokite from the Kalahari manganese field, South Africa J. Gutzmer and Nicolas J. Beukes Department...University, P.O. Box 524, Auckland Park 2006, South Africa e-mail: jg@na.rau.ac.za; njb@na.rau.ac.xa ABSTRACT...braunite-kutnahorite lutite at the Smartt Mine in the Kalahari manganese field, South Africa. Geological evidence and...place during Tertiary uplift and tilting of the South African Subcontinent. Careful chemical studies of... with fibre lengths up to 10cm, occur at Smartt mine in the Kalahari manganese field. The occurrence |  | | Book (edition) | | OF OF SOUTH AFRICA MINES GEOLOGICAL SURVEY MINERAL RESOURCES OF REPUBLIC OF THE SOUTH AFRICA...Second World War, and partly as a result of it, South Africa experienced vast industrial expansion. This...official âhandbook on the mineral resources of South Africa, it has become necessary to revise, or rather...great diversity and magnitude of South African mineral deposits and local mining operations, the Economic...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry; |  | | Journal (article/letter/editorial) | | wide development of gran iteâgreenstone zones (South Africa, Western Austra lia, Ukraine, and others),...Indostan cratons, eocratons of the basements of the South American, African, and Western Australian platforms...the Proterozoic as well (Lim popo, southeastern Africa; Western gneiss belt, Aus tralia; and Belomorian...and pyroxene. The Khoshchevat deposit (Odessa district, Ukraine) is assigned to the marble weathering...ocherousâclayey rock with numerous pyrolusite, psilomelane, manga niferous limestone, and hematite concretions |  | | Book (volume) | | Papers and Discussions Volume I , I JOHANNESBURG SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY 1961... 01", ~TALLUf>iYY. Š Copyright 1961 by The South African Institute of Mining and Metallurgy Ext'racts...I (1v DEC 196f Printed in t!te Republic of South Africa by Hortors Limited, Johannesburg V r. 1 The...and n1anagement of the gold mining industry in South Africa -C. B. ANDERSON . . . . . . . . . page r J ... ( 2. The economy of the Union of South Africa-W. J. BusSCI-IAU 9 3. An introduction to the physical |  | | Journal (issue) | | BranchOlftc~: SHEFFIELD, YORKSHIRE also in: U.S.A. ⢠SOUTH AFRICA ⢠AUSTRALIA RHODESIA& SWITZERLAND ⢠OVERSEAS...BechuanalandProtectorate Plate I Plate II Ootse Manganese Mine ⢠⢠⢠1. Loading manganese ore for beneficiation... Part of beneficiation plant Kgwakgwe Manganese Mine ⢠1. Manganese-ore stockpile 2. Crushing and screening...⢠⢠facing p. 390 ⢠⢠⢠Moshaneng Asbestos Mine ⢠⢠1. No. 3 incline shaft 2. General view of mill...deposit ⢠⢠⢠2. Abandoned copper workings, Bushman Mine . Provisional Mineral Map of the Bechuanaland Protectorate |  | | Book | | Hamersley Basin of Australia, the Transvaal of South Africa, and the Lake Superior and Labrador Trough regions...Hamersley Basin of Australia and the Transvaal of South Africa, sequences have been compared in detail by Button...Rapitan Group of northern Canada (Young 1976, fig. 5), but others are known from South America (Jacadigo...(Jacadigo Series), South Africa (Damara Supergroup) and Australia (Umberatana Group). All are Upper Proterozoic... Most of this amount, however, comes from one district, the Central African Copperbelt. Silver is almost |  | | Book (edition) | | ⢠t --â˘- """"" ' The Lornex copper-molybdenum mine and plant, Highland Valley, British Columbia. (By...MINERAL DEPOSITS THIRD EDITION REVISED PRINTING JOHN WILEY & SONS Mead L. Jensen Professor of Geology...TORONTO CopyrightŠ 1942, 1950, 1979, 1981, by John Wiley & Sons, Inc. All rights reserved. Published...should be addressed to the Permissions Department, John Wiley & Sons. Library of Congress Cataloging in...measurements have been retained in specific cases such as mine levels when measured in feet, values of gold and |  | | Book | | important but complex issue of the social license to mine. The ďŹnal chapter provides a lively discussion of...Hitzman, Richard Kyle, Kurt Kyser, Eric Marcoux, John Thompson and Olivier Vidal for reading selected...knowledge of mineral economics and global trade from local media and other popular sources of information,...Ganino, Jon Hronsky, Emilie Janots, Elaine Knuth, John Ludden, Tony Naldrett, JĂŠrĂ´me Nomade, Michel Piboule...the Global Mineral Market The Social Licence to Mine. . . . . . . . . . . . . . . . . . 6.8.1 Pebble |  | | Journal (article/letter/editorial) | | Prehnite Pretulite Priceite Priderite Proustite Psilomelane Pumpellyite Pyrargyrite Pyrite Pyrochlore Pyrolusite...salinity as a result of devolatilization of subducted South Pennic rocks. During the Paleogene orogeny under...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mineâ. This includes the imperative âif you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is ďŹrst and foremost recognized | | | Journal (article/letter/editorial) | | Prehnite Pretulite Priceite Priderite Proustite Psilomelane Pumpellyite Pyrargyrite Pyrite Pyrochlore Pyrolusite...salinity as a result of devolatilization of subducted South Pennic rocks. During the Paleogene orogeny under...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mineâ. This includes the imperative âif you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is ďŹrst and foremost recognized |  | | Book | | Y PRESS Cambridge, New York, Melbourne, Madrid, Cape Town, Singapore, SĂŁo Paulo, Delhi, Tokyo, Mexico...of the Indian mineral deposits in the context of local and regional geologyâ--Provided by publisher. Includes...Introduction Southern (Bastar) Crustal Province (SCP) Northern (Bundelkhand) Crustal Province (NCP) Tectonic...and Other Sedimentary/Volcanisedimentary Belts in South Singhbhum-North Orissa North Singhbhum Mobile Belt...CopperâUranium Belt Cu-Pb Sulphide Mineralisation Along Northern Shear Zone CE&MII_Prelims.indd 6 343 343 343 |  | | Book | | making a profit. Initially incorporated in the District of Columbia, the Publishing Company was reincorporated... W. C. Prinz, Brian J. Skinner, Tatsuo Tatsumi, John C. Wilson, and Paul K. Sims, Chairman. The papers...the volume and was assisted by DeVerle Harris and John C. Wilson in seeking reviews of manuscripts in their...of the Proterozoic, beginning 3,000 m.y. ago in Africa and 2,500 m.y. ago elsewhere. These basins received...iron ores were concentrated (without silica) in local oxidizing sinks on the conÂŹ tinents. Uranium responded |  | | Book | | Corporation of South Africa, the Chair of Economic Geology at Rhodes University, South Africa, and since...appointments at the Astrobiology Centre, University of New South Wales, Sydney, and the China University of Geosciences...which has included work in Europe, southern Africa, South East Asia, New Zealand, the southwest Pacific...Felsic Phase of the Bushveld Igneous Complex, South Africa . . . . . . . . . . . 4.3.6 The Sn-W Deposits.... . . . . . . . 4.4.4 Sabie-Pilgrimâs Rest, South Africa . . . . . . . . . . . . . . . . . 4.4.5 Capricorn |  | | Book (edition) | | Aus1rnlia. Thomas Nelson Aus1r.1lia. 102 Dodds S1rce1. South Mdbournc. Vic1oria 3205. Auslr.ilia Chapman & Hall...9 (for 1 952). p. 99. From (TL) Crackers Well. South Australia. Australia. Deposit located by air-borne...1 892) Syst. Mi11., 6th ed .. p. 50. A term of South American origin describing galena in granular form...44. c 1 3 .50 A. A natural occurrence at a coal mine in the (TL) Lvov-Volynsk basin, USSR. Achates. syn...(Doklady) Acad. Sci. URSS, 22, 433. (TL) Mt Tkhach. northern Caucasus. USSR. Adinole. syn. of albite. F.S. |  | | Report (issue) | | --Aluminum and bauxite, by Sam H. Patterson and John R. Dyni ------------Antimony, by M. H. Miller -...----------------------------------------------Clays, by John W. Hosterman --------------------------------------------Coal...----'-----------------------------------------------Cobalt, by John S. Vhay, Donald A. Brobst, and Allen V. Heyl --... William C. Culbertson, George E. Ericksen, and John R. Dyni ------------------------Feldspar, by Frank...Bodenlos and T. P. Thayer ------------Manganese, by John Van N. Dorr II, Max D. Crittenden, Jr., and Ronald |  | | Book (volume) | | States of America by Halsted Press, a Division of John Wiley & Sons, Inc. New York First Edition Š W. A... fissure m chromite pyroxerute, H irose mine, Tari district, Tottori Prefecture, Japan (Kitabara, 1958)...Bronzile, pyroxene diodte, Feather River area, northern Sierra Nevada, California (Hietaoen, 197 l). Anal...hypersthenc-hornblende dacite, Hudson, Gosfonh area. New South Wales (Wilkinson, l 971). Anal. G . L Z. Kalocsai...hyperstbene-diopside-plagioclase bomfels, Aavold Quarry, Oslo district, Norway (Muir and Tilley, 1958). Anal. J. H. Scoon |
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