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Evaluación de un nuevo proceso de obtención de cobre a partir de sus minerales oxidados y sulfurados en medio hipoclorito – amoniacal.By Álvaro Ordoñez
"El amoniaco es un agente acomplejante de iones cobre, que se ha utilizado en diversos procesos para recuperar el cobre de sus minerales. En este sentido, el presente texto propone la utilización del
Sep 14, 2009
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The Geological Setting, Mineralogy, and Paragenesis of Gold-Bearing Polymetallic (Cu+Co+Ag+Au+Bi±Pb±Ni±U) Veins of the Merico-Ethel Property, Elk Lake, Northeastern Ontario, CanadaBy I. Campbell, P. C. Jones, E. G. Potter, R. P. Taylor
"The Cobalt embayment is a large domain of Paleoproterozoic clastic sedimentary rocks that unconformably overlies the Archean Abitibi greenstone belt. Regionally extensive sills and dikes of Nipissing
Jan 1, 2009
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Efeito De Camadas Espessas De Óxidos No Comportamento Em Desgaste Do Aço Inoxidável 410dBy Paulo Sérgio Moreira, Geraldo Lúcio de Faria, Rhelman Rossano Urzêdo Queiróz, Amanda Aparecida Fátima Arruda, Ana Cecília de Carvalho
O objetivo deste trabalho foi avaliar o desempenho em desgaste de camadas espessas de óxidos formadas na superfície do aço inoxidável ferrítico 410D após a sua submissão a tratamentos isotérmicos em a
Oct 9, 2019
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Igneous Activity and Sedimentation in the Precambrian Between Kalgoorlie and Norseman, Western AustraliaBy Sofoulis J
In the Archaean of the Kalgoorlie-Norseman area, the layered rocks have been subdivided into two sequences, both containing basic igneous rocks and sediments. The lower sequence is distinguished by th
Jan 1, 1965
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Thinking Outside The Box- New Ways To Close Old Tailing BasinsBy B. Anderson, P. Churak, S. Dewar, A. Johnson, P. Eger
Although vegetation can be successfully established on fine taconite tailings, innovative approaches are needed to reclaim the coarse tailings used for dam construction. Through a series of cooperati
Jan 1, 2002
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Implementing Best Practices of Metal Accounting at the Strathcona MillBy Donald Leroux, Asim Tuzun, Simon Gariépy, Luc Lachance, Hayley Halsall-Whitney
"The importance of coherent material balance results has long been recognized by mining and metallurgical companies. Although this is still true nowadays, various stakeholders are increasingly concern
Jan 1, 2012
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Comportamiento estructural y mineralización de estaño-cobre. Mina San Rafael: Puno-PerúBy Julver Álvarez
El presente trabajo describe el comportamiento estructural y mineralización del estaño-cobre en la mina San Rafael, Puno. En este sentido, las pizarras de la formación Sandia del Ordovisco Superior, p
Sep 13, 2001
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Electrical Mapping of Oil StructuresBy J. J. Jakosky
THE method of electrical mapping of oil structures to be described possesses certain limitations, as well as certain definite advantages. It, in common with other geophysical methods, is not a panacea
Jan 1, 1936
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The Role Of The MMAJ And The Activities Of The Japanese Mining Industry In Global Resources DevelopmentBy H. Ikeda
INTRODUCTION [Slide 1] The Role of the MMAJ Ladies & Gentlemen, it is a pleasure for me to be able to make a speech at this SME annual meeting, representing the Metal Mining Agency of Japan.
Jan 1, 2001
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A model for economic accumulation of zircon, northern KwaZulu-NatalBy R. Armstrong, C. Ware, P. Sudan, G. Whitmore
The northern KwaZulu-Natal (KZN) coastal dune cordon, South Africa, extends from north of Durban into Mozambique. The Quaternary dune cordon, which can be up to 2 km wide, comprises a series of stacke
Jan 1, 2003
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OFR-136-78 Propagation Of EM Signal In Underground MinesBy Terry S. Cory
This report is a comprehensive summary of the results of the propagation measurements program conducted for the US Bureau of Mines under Contract H0366028. Data was gathered in the MF frequency range
Jan 1, 1977
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Quarry Expansion – Sustainable Management of Natural AggregateBy M. L. Tucker, William H. Langer
Many countries, provinces, territories and states in the European Union, Australia, Canada, the United States and elsewhere have begun implementing sustainability programs. Most of those programs, ho
Jan 1, 2004
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Precious Metals EconomicsBy Paul Sarnoff
The economics of precious metals -- depending upon who is involved --could be the economics of hope, of fear, indeed of profit and perhaps survival. For those investors seeking capital gains in a puzz
Jan 1, 1981
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Concreting the Queens Tunnel, New York City Water Tunnel No.3By Edward M. Dowey
The concrete lining for a long 8.05 km (5 mi) section of New York City Water Tunnel No. 3 was cast in place. The contractor, Grow-Perini-Skanska, placed over76,841 m3 (100,505 cy) of concrete, pouring
Jan 1, 2001
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The Abundance of Lead, Zinc, Copper and Silver at Broken HillBy Richards S. M
The abundances and abundance relationships of lead, zinc, copper and silver in the major sulphide lenses at Broken Hill are examined, and their possible geochemical significance discussed.When express
Jan 1, 1961
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An Investigation Into The Optimization Of Personnel Transportation To Level 15 And Below At Khuseleka No. 1 Shaft, Anglo Platinum ? SynopsisBy M. S. P. Rampedi
The paper reports on a vacation work project conducted at Khuseleka No. 1 Shaft, Anglo Platinum, where there was a need to optimize the transport of personnel to level 15 and below. Approximately 900
Jan 1, 2012
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Effect of Grinding Operation on Product Morphology in Stirred MillsBy Bern Klein, Randy Blaskovich, Reem Roufail
"Morphology is a tool that is rarely used for mineral breakage mechanism evaluation. Ground particles are typically assessed for their size distribution. They are also visually analyzed using image an
Jan 1, 2011
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Chemical Environment in Australian Lead-Zinc Flotation Plant Pulps: II. Collector Residuals, Metals in Solution, and Other ParametersUp to 19 chemical parameters were studied in flotation pulps in six Australian lead-zinc concentrators with the aim of obtaining a better understanding of the nature of, and changes in, the chemical e
Jan 1, 1970
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Professional Services (b69eb065-6af5-49fa-972e-bc776c3069c1)[RALPH ADAIR Ore Dressing Consultant Bull Mtn. d., Asheville, N. C. Phone 4-1693 JAMES A. BARR Consulting Engineer Mt. Pleasant, Tennessee Washington, D.C. BEHRE DOLBEAR & COMPANY Consult
Jan 1, 1952
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Professional Services (0459e53d-c907-435d-ae7c-7f84bafc7960)[RALPH ADAIR Ore Dressing Consultant Bull Mtn. Rd., Asheville, N. C. Phone 4-1693 JAMES A. BARR Consulting Engineer Mt. Pleasant, Tennessee Washington, D.C. BEHRE DOLBEAR & COMPANY Consult
Jan 1, 1952