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| 1914. Exi'LAXATORY NoTK Items in italics are names of books reviewed illustrated articles are denoted by...Asterisks (*) the letters (c./.) refer to notices of articles under the heading 'Current Literature' the...appearing in 'Precis of Technology.' ; ; ; PA«E *4 Abbontiakooii Abosso Gold Abosso, Progressat ... Report Characteristics of Refined Copper Addicks, L S. Croasdale Ajo, Copper Leaching at Alaska Alaska...Alaska Alaska Alaska Alaska (p./.) {e.\.) Gold Mining Developments 393 339 386 206 *121 Mexican Report |
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| HE MINES HANDBOOK PENTARCO PINE OILS Take Note of These Facts: You want to feel assured that any flotation...always run uniform, always be available promptly and be dependable in all other respects. To be sure that...increasing use of PENTARCO oils is founded upon our ability to make good. Samples and Literature for...owned, American citizens. controlled and managed by British and The Corporation owns over fifty patents...Canadian and Mexican patents which include th* BASIC PATENTS and principal improvements covering and controlling |
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| scientists and engineers. And as your needs grow, our worldwide service network gets bigger and better prepared...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...000 ounces and over 1.1 million ounces annually by 1992. @ Gold reserves increased nine-fold to 20.4 million...same five-year period. @ Higher production and a unique gold hedging program should ensure future growth |
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| popularity because of its consistant performance Its dependable supply, uniform quality and reasonable cost...NUMBER 350 has fairly gained a good reputation which no extravagant claims could strengthen. PENSACOLA TAR...CO. GULL POINT, FLORIDA. Manufacturers of flotation oil and distilled pine productions since 1899...Canadian and Mexican patents which include the BASIC PATENTS and principal improvements covering and controlling...for the concentration of metallic values from the ores of copper, zinc, lead, gold, silver, graphite, molybdenum |
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| Mining and Metallurgy Published on the First and Subscription in Canada, $2.00 Fifteenth ; to of each...Other Countries, $3.00. Address Communications and make subscriptions payable The Canadian Mining Journal...1913 Asbestos \'eius and the Mineral JN'ephrite, British Columbia, Visit to Mines of Alberta Notes on, by...Accidents, Mine, 250. and, by R. E. Hore, 602, 777.* Accidents, United States, Coal mine, 273.* Asiatics...Acetylene with Kelation to Its Use as an Discussion of H. E. T. Haultain 's Paper Illuminant in Minos, The |
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| DIRECTORY. ^t. * P. THE - Bvffl ALUS MANUFACTURERS OF REYNOLDS CORLISS ENGINES GIRDER FRAME ENGINE. ...ROPES.' HIGH DUTY PUMPING ENGINES FOR ALL KINDS OF SERVICE. BLOWING ENGINES STEAM STAMPS ROCK BREAKERS...Main Shaft and ' MINING MACHINERY CRUSHERS and PULVERIZERS. IMPROVED CORNISH ROLLS =* WET AND DRY CONCENTRATORS...CONCENTRATORS. DRIERS. FURNACES. E STAMP MILLS and COOK AMALGAMATORS. ife P ONLY SUCCESSFUL DRY CONCENTRATOR...Spring Crusher i^. FOR Address, for Catalogues and Estimates. GATES IRON WORKS 136 Liberty New Street |
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| devoted to the study of man-made and man-used underground structures and the archaeology of the Cold War. The...The society is open to all and its membership includes all walks of life. Members are invited to contribute...means sending very welcome snippets from newspapers and magazines. Editor: Nick Catford 13 Highcroft Cottages...Archaeology_____________________________________ 4 Conservation and Heritage__________________________ 5 Health & Sa...___________ 9 Military and Defence______________________________ 9 Mining and Quarrying______________________________ |
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| Table No. |! Projected Equipped Capacity for Copper Mines of the Free World in 1961 and 1965 4{ctual...000 19,000 1960 118.000 130,000 1,121,000 AUSTRALIA—ASIA Japon Mt. Isa Mt. Lyell 98,000 79,000 12...perce from 26 to 16 cents re than 30 cents per and of these per 5 Floats other totals pound. d conditions... at a tonnage completes new Palo Verde »>34 shaft in Arizona's Twin Buttes district FietY cents NOVEMBER...Limited's new mine near Merritt, B. c. IF PURCHASES ARE ENDORSEMENTS... P:H is the no.1choice of the mining |
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| ENGINEERING AND MINING JOURNAt’™ A McGRAW-HILL PUBLICATIQROSS 5! ‘ vances the art of mill automation...record of performanceproven In rugged ball mill discharge-cyclone feed service, the records of over 20...give you an idea of the high degree of excellence in design, materials and workmanship of Hydroseal pumps...for over two years; then, one pump needed a new shaft sleeve. MINNESOTA Hydroseal pump delivered eight...impellers and liners. ARIZONA Seventeen Hydroseal pumps in service averaging one change of impeller and suction |
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| =UROPEAN COAL, ° EXPLORATION- GEOLOGY . — MIN'NG OF COAL* URANIUM* MECHANICAL MINING L ¢ SAFETY IN MING:...* LEAD AL MINERALS * ZINC * MINERAL PROCESSING * GOLD RE * COAL PREPARATION * COAL ECONOMICS * SAFETY...OPEN PIT MINING * MECHANICAL MINING + ICAL MINING OF COAL * URANIUM * LEAD * EUROPEAN EMENT *« MINERAL...« ZINC IT MINING * MINERAL PROCESSING * CEMENT * GOLD + URAL MINERALS *« COAL ECONOMICS * ALUMINUM iT...iT * EUROPEAN COAL + EXPLORATION-GEOLOGY + MINING OF COAL * URANIUM * MECHANICAL MINING * SAFETY IN MINING |
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| 1 19/07/2022 14:36 Page 1 10 CONTENTS 2 A U G U S T 2 0 2 2 10 LONGWALL COAL MINING Divestments...Divestments, demand developments and more - Dan Gleeson takes his annual look at the mechanised longwall coal...Paul Moore looks at hoist projects, hoist control and hoist safety giving examples from the key technology...technology to resins, foams and grouts 42 EXPLOSIVES & BLASTING 42 10 The blasting sector continues...autonomous operations as sophisticated hardware and software combine, Dan Gleeson observes 52 SLOPE |
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| Geology and Ore Deposits of the Boulder County Tungsten District Colorado GEOLOGICAL SURVEY PROFESSIONAL... Geology and Ore Deposits of the Boulder County Tungsten District Colorado By T. S. LOVERING and OGDEN TWETO...cooperation with the State of Colorado through the Colorado Geological Survey Board and the Colorado Metal Mining...OFFICE, WASHINGTON : 1953 UNITED STATES DEPARTMENT OF THE INTERIOR Douglas McKay, Secretary GEOLOGICAL...Wrather, Director For sale by the Superintendent of Documents, U. S. Government Printing Office, Washington |
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| Engineering Fundamentals and International Case Studies Edited by William A. Hustrulid and Richard L. Bullock...Bullock Society for Mining, Metallurgy, and Exploration, Inc. (SME) 8307 Shaffer Parkway Littleton, Colorado...exchange and professional development. SME is the world’s largest professional association of minerals...Metallurgy, and Exploration, Inc. All Rights Reserved. Printed in the United States of America. No part of this...or otherwise, without the prior written permission of the publisher. Disclaimer The papers contained in |
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| Mineralogy and Petrology (1999) 66:171-191 Mineralogy and Petrology © Springer-Verlag 1999 Printed in...sulphide minerals and bitumen from the Ventersdorp Contact Reef, South Africa R. E. Zartman and H. E. Frimmel...Frimmel Department of Geological Sciences, University of Cape Town, Rondebosch, South Africa With 4Figures...conglomerate horizons (reefs) in the Witwatersrand Basin of South Africa are in many places cut by hydrothermal...frequently contain sulphide, bitumen, and, less commonly, free gold. New Pb isotopic results for the Ventersdorp |
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| ·~/ .... > ,;Y, OF· SCIENTIFIC RESEARCH OF THE ENGLAND AND INDUSTRIAL GEOLOGICAL AND \VALES SURVEY...SURVEY . EXPLANATION OF SHEET 28 • e eo o ...__... o ite aven t e , an .'. ' t ; ERRATA ET CORRIGENDA...DEPARTMENT , :: .. ·. :· OF· SCIENTIFIC . RESEARCH -AND INDUSTRIAL . B*PLANATION OF SHEET 28 ' . .. · ...(Whitehaver1) of the New Series one ... inch map was Qriginally surveyed by R. Russell and J. C. Ward on...S.W. in 1892, but no memoir descriptive of the qistrict was issued. Eight sheets of VerticaJ Sections |
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| Mineralogy and Petrology (1999) 66:55-81 Mineralogy and Petrology © Springer-Verlag 1999 Printed in...in Austria Gold mobilizing fluids in the Witwatersrand Basin: composition and possible sources H. E. Frimmel...K. Hallbauer 2, and V. H. Gartz 1 1Department of Geological Sciences, University of Cape Town, South...South Africa 2 Department of Geology, University of Stellenbosch, South Africa With 6 Figures Received October...Gradient Ion-Chromatography and Capillary Electrophoresis, on individual generations of aqueous fluid inclusions |
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| Annual Report 2020 Bringing people and resources together to build a better world Our Charter We are...global resources company. Our Purpose To bring people and resources together to build a better world. Our...capabilities, best commodities and best assets, to create long-term value and high returns. Our Values Sustainability...Sustainability Putting health and safety first, being environmentally responsible and supporting our communities...right and doing what we say we will do. Respect Embracing openness, trust, teamwork, diversity and relationships |
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| DOMESTIC Prepared by staff of the BUREAU OF MINES UNITED STATES DEPARTMENT OF THE INTERIOR • Rogers C...Secretary BUREAU OF MINES • Elburt F. Osborn, Director Created In 1849, the Department of the lnterior--America's...Department of Natural Resources-is concerned with the management, conser• vation, and development of the Nation's...forest, and pork and recreational resources. It also has major responsibilitie-S for Indian and Territorial...developed and used wisely, that park and recreational resources are conserved for the future, and that renewable |
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| company. Our Purpose Our Values To bring people and resources together to build a better world. Sustainability...commodities and best assets, to create long-term value and high returns. Putting health and safety first...environmentally responsible and supporting our communities. Integrity Doing what is right and doing what we say...Respect Embracing openness, trust, teamwork, diversity and relationships that are mutually beneficial. Performance...matter most. Accountability Defining and accepting responsibility and delivering on our commitments. We |
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| REVIEW The melt rocks of the Vredefort impact structure – Vredefort Granophyre and pseudotachylitic breccias:...breccias: Implications for impact cratering and the evolution of the Witwatersrand Basin Wolf Uwe Reimold...Impact Cratering Research Group, School of Geosciences, University of the Witwatersrand, Private Bag 3, P...combination of its large size (250–300 km diameter), deep levels of erosion (47 km), and widespread regional...South Africa an exceptional laboratory for the study of impact-related deformation phenomena in the rocks |
 | | Report (issue) |
| Registered in Australia. Registered office: 171 Collins Street, Melbourne, Victoria 3000, Australia. BHP Billiton... Registered in England and Wales. Registered office: Nova South, 160 Victoria Street London SW1E 5LB...United Kingdom. Each of BHP Billiton Limited and BHP Billiton Plc is a member of the Group, which has...headquarters in Australia. BHP is a Dual Listed Company structure comprising BHP Billiton Limited and BHP Billiton...as BHP. The headquarters of BHP Billiton Limited and the global headquarters of the combined Group are |
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| NEDIMOVIƆ,* AND GORDON F. WEST Geophysics Laboratories, Department of Physics, University of Toronto, 60... two-dimensional crooked line survey over a part of the Sturgeon Lake Archean greenstone belt in northwest...examine the results in the light of geologic data based on about 20 years of mining activity in the immediate...steep and the majority of viewable contact surfaces do not lie directly below the processing and acquisition...images owing to the limitations of the crooked line data set, a large variety of reflection events are quite |
 | | Report (issue) |
| Professional Paper No. 36 A, Economic Geology, 46 B, Descriptive Geology, 58 C, Systematic Geology and Paleontology...Paleontology, 71 DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY CHARLES D. WALCOTT, DlKECTOK ... THE LEAD, ZINC, AND FLUORSPAR DEPOSITS OF WESTERN KENTUCKY BY E. o. and W. S. TANGKLER SMITH WASHINGTON...GOVERNMENT PRINTING 1905 OFFICE CONTENTS. LETTER OF TRANSMITTAL, BY C. W. HAYES...... .............................................. PART I. GEOLOGY AND GENERAL RELATIONS, BY E. 0. ULRICH................ |
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| Geology Vol.94,1999,pp.689-706 Complex Metasomatism of anArchean Placerin theWitwatersrand Basin,SouthAfrica:...ContactReef A Hydrothermal Aquifer? V. H. GARTZ AND H. E. FRIMMEL • Department ofGeological Sciences...thepotassic alteration reflects theprogressive dehydration of thesiliciclastic footwall rocksandassociated hydration...l unconformities. Theseconglomermargin of the Klerksdorp gold field where it is currently atehorizons...orebody at Vaal Reefs no.10shaft, eralmeters,are separated fromeachotherby up to several of hundredsof metersof |
