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| E E T Department of Geology, University of the Witwatersrand, WITS 2050 (South Africa) P.M. CAMDEN-SMITH...Mines Ltd., P.O. Box 62370, MarshaUtown 2001 (South Africa) (Received November 11, 1987; revision accepted...Conglomerate Formation, an economically important component of the Witwatersrand Supergroup. The unit is well developed...km east of Johannesburg. Conglomerate reefs (Angelo Leader, Main Reef, Main Reef Leader, South Reef) were...represents a tectono-stratigraphic package in the middle of the Main Conglomerate Formation. The Main Conglomerate |
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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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| 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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| LLANELLY, Carms. ASSOCIATION OF MINE MANAGERS OF SOUTH AFRICA PAPERS ayo DISCUSSIONS 1954-1955...TRANSVAAL AND ORANGE FREE 1956 BY STATE CHAMBER OF MINES NOTE.—THE ASSOCIATION RESPONSIBLE FOR...Developments in Gold Mining Practice in South Africa. (a) A. J. Cunpriu: Mechanized Sinking of No. 2 Shaft...Shaft, Vlakfontein Gold Mining Company, Ltd. (b) G. H. Dueean: High- speed Development on Durban Roodepoort...Method of Stoping Steep Reefs at Depth (e) W.E.M. Kramers: Problems Associated with the Employment of African |
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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 |
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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 |
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| ut0126vari Taree TRANSACTIONS OF THE AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS (INCORPORATED)... AT MERTINGS FRANCISCO, oct. 3-6, 1935; Mexico ciTy, ocr. 9-15, 1936 AND NEW YORK, FEB. 18-21, 1935;...INSTITUTE OF THE 39TH SECRETARY STRERT HELD CopyriGcuHt, 1937, BY THE AMERICAN InstituTE of Minine...STATES COMPANY, OF AMERICA YORK, PA, ENGINEERS FOREWORD Pursuing the plan of publishing at intervals...group of related subjects, the present volume comprises: 1. Twenty-four papers on various phases of metal |
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| are names of books reviewed illustrated articles are denoted by Asterisks refer to notices of articles...Copper Refiniug (ni.d.) Africa, Central, Development of African Taxation, South Alaska Treadwell Disaster...Disaster (m.d.) Alaska Treadwell, Flooding of Alaska Treadwell Group, Conditions at Aliwal North, Diamonds...American Committee of Engineers American Copper, Zinc, and Dead Smelters (m.d.) American Gold-Dredges, Big...Institute, Presidency of Anderson, J. W., Prospector's Handbook Ammonia, Catalytic Production of, Classen's Patent |
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| tunnel. RockerShovels have an average loading cycle of 6 to 10 passes per minute. Only the Timken Company...years. Gives lowest cost per foot of hole when full increments of the steel can be drilled and when all...performance you need—whether it’s lowest cost per foot of hole, lowest unit bit cost, greatest possible drilling...best bit for your job. And no other manufacturer of rock bits has had as much drilling experience in...guide for every rock bit buyer. Shows full line of bits with detailed descriptions, recommended uses |
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| Note. XVIII. JUNE, — Items in italics are names of books reviewed; illnstrated article* are ^ 'JUj^...rikkv >-i - ihi- Utit-n >• d \ refer to notices of articles under the heading 'Mining Digcbi Addicks...Alaska Juneau Alaska, Output of Minerals Alaska Perseverance Alexo Nickel Mine 82 ^224 *208 11 (m.d.) ...Chloride, Anhydrous, Patent Aluminium, Metallography of Aluminium Output in United States Aluminium Smelter...d.) (m.d.) , (m.d.) Report American Institute of Mining Engineers American Troiia Corporation Ammonia |
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| equal in the gold industry ® Record revenue, earnings and cash flow achieved in each of the last five...five years. ® Gold production rose 220% to 596,000 ounces in 1990. The target for 1991 is over 700,000...and over 1.1 million ounces annually by 1992. @ Gold reserves increased nine-fold to 20.4 million ounces...five-year period. @ Higher production and a unique gold hedging program should ensure future growth. C20...manage the broadest spread of metals and minerals in the world. That makes us one of the few British companies |
