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| The Geology of the East Rand and Heidelberg. 249 The Geology of the Far East Rand and the Heidelberg...TTEIDELBERG, a town of insignificant proportions, lies 30 miles -'--'- due south-east of Johannesburg at...at the foot of the Zuikerboschrand, a range of hills running south-west towards the Vaal River and made...made up of the volcanic beds of the Ventersdorp System and of the Elsburg series at the top of the Witwatersrand...Witwatersrand System. Travelling south-east from the Zuikerboschrand, the whole of the Witwatersrand formation |
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| University on June 3, 2016 Vol. 54.] 73 GEOLOGY OF T H E W I T W A T E R S R A N D A N D O T H E R DISTRICTS...F.G.S., Assoe.M.Inst.C.E., formerly of the Geological Survey of England and Wales. (Read November 17th...... u The Age and Geotectonic Relations of the Formations of the Southern Transvaal ...................95 I . INTRODUCTION. T~E importance of the Witwatersrand as a gold-producing area has given an impetus...geological enquiry in this part of' South Africa. The result has been the appearance of numerous books, pamphlets |
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| PGE exploration targets to the west of the Pilanesberg, South Africa R. Kiefer and M.J. Viljoen MinEx Projects...2024, South Africa. Department of Geology, University of the Witwatersrand, Johannesburg South Africa...Geological Society of South Africa ABSTRACT The main approach to PGE target selection west of the Pilanesberg...was to use the geological models for the setting of PGE mineralisation (together with their associated...geochemical signatures) in the southwestern lobe of the Bushveld Complex where abundant information is |
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| SUBJECTINDEX TO VOLUME 55 Africa Mineralogy Molybdenite (Frondel,JudithW., er a/.) I l-12 1857 Aluminum...Jerome,United Verde mine (Wood, Michael M.) 5-6 729 Wherryite, Tiger, Mammoth mine (Mclean, W. John.)...Clifford.) 7-8 t43'1 Book reviews Amphibole A catalog of analyzedcalciferousand subcalciferousamphibolestogether... H. Earl.) Crystal chemistry Constructionand use of atomic and molecularmodels 9 - 1 0l 8 2 r (Bassow...waves Theory of elastic waves in crystals l-2 33O (Fedorov, Fedor I.) Feldspar A bibliography of the feldspars |
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| HANDBOOK 15 OF THE GEOLOGICAL SURVEY OF SOUTH AFRICA COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA...AFRICA MINERALOGY OF SOUTH AFRICA: TYPE-MINERAL SPECIES AND TYPE-MINERAL NAMES by V.D.C Daltry HANDBOOK15... COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA Scientific Editor R.D. Dixon Linguistic and...Council for Geoscience (Geological Survey of South Africa), 280 Pretoria Street, Silverton, Pretoria...request or consult the latest edition of the Catalogue of, publications of the Council for Geoscience (obtainable |
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| Bastard reef, at Impala platinum mine, western Bushveld Complex, South Africa: Evidence for late magmatic...Maier Centre for Exploration Targeting, University of Western Australia, Crawley 6009, Australia. e-mail:...sjbarnes@uqac.ca © 2008 September Geological Society of South Africa ABSTRACT We have examined the UG1 and UG2...Bastard Reef, and ultramafic rocks in the footwall of the Merensky Reef that are possibly correlatives...Pseudoreef, in drill core at Impala platinum mine. The UG2 consists of a 66 cm main seam and, ca 5 m above the |
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| GOLD PAVED THE WAY A. P. Cartwright +++++++++++++++++++++++++++++++++ Palgrave Macmillan Palgrave...MACMILLAN COMPANY OF CANADA liMITED 70 Bond Street Toronto z MACMILLAN SOUTH AFRICA (PUBLISHERS) PTY...By the same author THE VALLEY OF GOLD SOUTH AFRICA'S HALL OF FAME THB GOLD MINERS THB DYNAMITE COMPANY...COMPANY THB CORNER HOUSE CONTENTS List of Illustrations Author's Note page vii 1X PART ONE THE EARLY HISTORY...14 15 Mr. Rudd and Mr. Rhodes After Diamonds - Gold The Company Rudd Sets off on a Journey 'Our Theory |
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| EXCELLENCE MINING IN WEST AFRICA NIGERIA, TAKE A BOW P4 P14 MINING REVIEW AFRICA | SEPTEMBER 2020 www.miningreview...Arc. Olamilekan Adegbite, Minister of Mines and Steel Development of Nigeria SPECIAL REPORT P43 EARTHMOVING...miningreview.com MINING IN WEST AFRICA: NIGERIA SPECIAL 46 14 The role of Nigeria’s mining ROBUST SCREEN... MINING IN WEST AFRICA NIGERIA, TAKE A BOW P4 sector in minimising the effects of COVID-19 P14 MINING...MINING REVIEW AFRICA | SEPTEMBER 2020 18 Nigeria advancing infrastructure to promote mining beneficiation |
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| Lead isotopic composition of galenas from the Witwat~~rand and Orange Free State, and their relation...the Orange Free State. Certain of the galenas have large proportions of radiogenic lead, and one sample...from the St. Helena mine contains a spectacular variation in the proportions of the lead isotopes within...The addition of radiogenie lead to these galenas is probably complementary to the loss of radiogenic lead...implications of this hypothesis on the uraninite age measurements are pursued. The possible times of abstraction |
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| Mr. T. C. Hine and to Mr. G. Moss of Blackpool and Fylde College of Further and Higher Education for reading...reading and commenting on early drafts of this book. Sincere thanks are also due to Mrs. Catherine McGuffie...Questions 2, 5, 6, pp. 117-18. Australian Department of Trade and Resources: Figures 10, 11, 12; Tables 21...pp. 71, 86. Chamber of Mines of South Africa: Figure 16; Table 28. Consolidated Gold Fields PLC: Tables...27; Photographs pp. 24, 108, 109, 110. Department of Industry: Table G. Geographical Association: Figure |
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| The platiniferous dunite pipes in the eastern limb of the Bushveld Complex: Review and comparison with...Rivonia 2128, South Africa e-mail: rnscoon@iafrica.com Andrew A. Mitchell Department of Geology, University...University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South Africa e-mail: mitchell@pixie.udw.ac...2004 Geological Society of South Africa ABSTRACT The platiniferous dunite pipes of the Bushveld Complex...bodies (diameters of 180-500m) that crosscut the layered cumulates in the central sector of the eastern limb |
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| JUNE-JULY, OF THE No. 4 I927 PLATINUM METALS? J. H. L. VOGT. CONTENTS. Genesis of the Platinum... 322 Platinum bearing Dunires (and Pyroxenites) of the Ural Type. 326 BushveldField. LydenburgPlatinum...in Lydenburg Chromite Deposits....... 334 Content of Platinum Metals in Magmatic Nickeliferous Pyrrhotite............... 336 Content of Platinum Metals in Noritic Nickel Ores of the Sud- bury-Erteli type...Norylsk District of Siberia ......................... The Nickel Deposits of Vlakfontein, Transvaal ... |
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| Deposits, Department of Earth Sciences, University of Pretoria, Pretoria 0002, South Africa ABSTRACT Large...sulfide ores there were formed by a unique combination of processes involving crustal melting in response to...discovered Uitkomst deposit of South Africa and the Voisey’s Bay intrusion of Labrador, Canada, which are...potential of conduit systems is attributed to their specific flow environment and to the exploitation of the...the conduits by multiple flows of magma. Sulfides that were entrained and transported by ascending silicate |
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| Halogen Geochemistry of the Stillwater and Bushveld Complexes: Evidence for Transport of the Platinum-Group...AND I. S. McCALLUM Department of Geological Sciences, AJ-20, University of Washington, Seattle, Washington...hydrothermalfluidswhich affected the lower portions of the StiUwater and Bushveld Complexes were Cl-rich...noncumulus apatites, with the exception of those from the PGE ore zones of the Stillwater and Bushveld Complexes...C1/(C1 + OH + F) between 0-45 and 10. The REE content of noncumulus and Cl-rich apatites also show a positive |
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| solution and about one-half gram of silica. In this rvay a layer of acmite, a sodium lerric iron silicate...silicate, is formed on the internal surfaces of the autoclave making them impervious to attack from the...selection of the percent fiIl of the liner and the annular space, the change in linear dimension of the liner...desired by addition of fluid to the annular space with a fluid pump or by withdrawal of fluid. The liner...making commercial application feasible. The exposure of dangerously corrosive potassium hydroxide solution |
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| ......... 704 Stratigri^iv^.Dd general structure of the region............................................................................. 706 Members of the Bushveld Complex............................................................... 708 petrography of the Complex.........................: ............................................. 723 Floor phase of the main norite....................................mafic rocks of the principal banded division.............................. 729 Anorthosite of the banded |
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| South African Geographical Journal ISSN: 0373-6245 (Print) 2151-2418 (Online) Journal homepage: http://www...Some Geographical Aspects of the Development of Mineral Resources in South Africa H. Pirow To cite this article:...Geographical Aspects of the Development of Mineral Resources in South Africa, South African Geographical...journal View related articles Full Terms & Conditions of access and use can be found at http://www.tandfonline... 44 THE SOUTH AFRIC.\X GEOGIL\PIIIC.\L JOl"UNAL. Acknowledgment is hereby made for the use of figures |
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| for ESG Mine Closure The roadmap to rehabilitation Closing the loop Striving for zero mine waste ISSN............22 20 BLASTING & EXPLOSIVES A century of premium blasting solutions.............................................24 PROJECT Relocating Matla Mine 1...........................................................................27 Sustaining the flow of quality services in Johannesburg...................mining in South Africa............................................36 HEALTH & SAFETY The new height of safety |
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| t a t e d Bibliographies of Mineral Deposits in Africa, Asia (exclusive of t h e U S S R ) a n d Australasia...DREW RIDGE The Pennsylvania State University College of Earth and Mineral Sciences University Park, Pennsylvania...Elmsford, New Y o r k 10523, U.S.A. CANADA Pergamon of Canada Ltd., 207 Queen's Quay West, Toronto 1, Canada...1976 John Drew Ridge All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval...writing from the publishers First edition 1976 Library of Congress Catalog Card N o . 75-34663 Printed in |
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| Gemstones of Southern Africa a Collector’s Guide ■Rocks, Minerals and Gemstones of Southern Africa & ...en&nes L of Southern Africa A Collector’s Guide - Struik Publishers (an operating division of Struik...Pietermaritzburg, Natal All rights reserved. No part of this publication may be reproduced, stored in a retrieval...photocopying, recording or otherwise, without the permission of the copyright owner. ISBN 0 86977 700 9 'Otographic... Springs, cover photograph, vanadinite pp. 6-7, gold p. 73, azurite and malachite p. 86; A.C.G. Hutchings |
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| Study of Geochemicaland Redox Relationshipsbetween Potholes and Adjacent Normal Merensky Reef of the BushveldComplex...Philadelphia,Pennsylvania19122 AND DAVID P. GOLD Department of Geosciences, The PennsylvaniaState University...distributionsare utilized to develop a model relating the origin of the potholesto the platiniferousMerenskyReef. Potholesare...and/or rarely irregulardepressions (up to hundreds of meterswideandtensof metersdeep)in the MerenskyReeffootwallfilled...addressthe genesisof potholeformationare reviewed in light of these discoveredgradients. A modelof potholesactingas |
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| and Origin of the Vanadiferous Fe-Ti Oxide-rich Kennedy's Vale Discordant Body, Eastern Limb of the Bushveld...Complex, South Africa R.N. Scoon Department of Geology, Rhodes University, Grahamstown 6140, South Africa...Costin Department of Geology, Rhodes University, Grahamstown 6140, South Africa Department of Earth, Environmental...Operations South Africa, Rustenburg, South Africa © 2017 June Geological Society of South Africa Abstract...2055 Ma Bushveld Complex, South Africa, is well known for the occurrence of discordant bodies within the |
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| CENTENARY ee OU CANE Consolidated Gold Fields is a mining finance company creating wealth and jobs...jobs across the world. In this dramatic portrait of a remarkable organisation, Paul Johnson, the historian...political commentator, has written a fascinating study of a unique venture. This is by no means a conventional...impression of a vigorous, living organism at one particular moment in its existence. By examining Gold Fields’...is industry financed? How does such a company as Gold Fields decide where to invest and in what? How are |
 | Page, Norman J, Von Gruenewaldt, Gerhard, Haffty, Joseph, Aruscavage, Philip J. (1982) Comparison of platinum, palladium, and rhodium distributions in some layered intrusions with special reference to the late differentiates (upper zone) of the Bushveld Complex, South Africa. Economic Geology, 77 (6) 1405-1418 doi:10.2113/gsecongeo.77.6.1405 | Journal (article/letter/editorial) |
| SpecialReferenceto the Late Differentiates (Upper Zone) of the BushveldComplex, SouthAfrica NORMANJ PAGE, U...Fiskenaesset, andBushveld Complexes areall composed of layeredultramafic andmaficrocksin whichthe cumulusphases...widely in their abundances and relativeproportions.Two of the complexes, the Stillwaterand Bushveld,contai...enrichedhorizonsnot yet found in the Fiskenaessetl The ratio of Pt/(Pt -4-Pd) in rocksfrom the Stillwater tends to...to increasefrom the basal zone to the middle of the ultramafic zone, decreases to the beginningof the |
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| Internet Archive in 2010 with funding from University of Toronto http://www.archive.org/details/miningmagazin20lond...in italics are names of books reviewed refer to notices of articles Abosso Gold Report Abosso, Resalts...Scholarships Aeroplanes for Mines Air Analysis, Methods of , -J. Haldane S. Ajo. Copper Leaching at (m...) (m.d.) Aluminium Aluminium Aluminium, Analysis of Aluminiam, Metallography 62 9 195 3r2 60 188 75...200 10, 265 259 202 [m.d,) (m.d.) of Amalgamated Properties of Rhodesia v. Globe and Amalgamated Zinc |
