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IC 7707 Black Hills Mineral Atlas, South Dakota: Part 2 (In Two Parts) - Introduction
The Black Hills Mineral Atlas briefly summarizes all important data available on the mines and mineral deposits in the Black Hills that have been explored, developed, mined, or located. The purpose
Jan 1, 1955
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OFR-118-76 Heap Leaching Studies On Uranium Ore
By Robert C. Merritt
Laboratory amenability studies as well as a pilot heap-leaching investigation of low-grade sandstone uranium ores from Wyoming, New Mexico, and Colorado are described. Sulfuric acid heap leaching with
Jan 1, 1976
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Hacia una dinámica del desarrollo Latino Americano (I)
By Raúl Prebisch
"El presente texto es un análisis continuo y sistemático de la realidad latinoamericana donde se revisa las transformaciones estructurales para abrir cauce al desarrollo, la acumulación de capital y
Mar 1, 1964
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Sistema de admisión de aire (Aplicación Fleetgueard)
By Manuel Caro
El presente trabajo describe el proceso de mantenimiento del equipo de aire denominado Optiair. Este filtro al tener una mayor capacidad de retención de polvo, permite que el equipo pueda trabajar po
Aug 25, 2002
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Logros de Centromin S.A en la recuperación ambiental de las unidades mineras de Casapalca y Morococha
By Américo Pérez
La política ambiental de Centromin Perú S.A. promueve el aprovechamiento de los recursos minerales sin comprometer la capacidad de las futuras generaciones para satisfacer sus necesidades y desarrollo
Sep 13, 2001
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Potencial aurífero de la cuenca del Bajo Marañon
By Darling Elías Montoya
El presente trabajo señala la importancia de la cuenca del Marañón en tanto representa un ambiente idóneo de deposición aurífera para el ámbito nacional. La cuenca se encuentra situada entre los centr
Apr 1, 1991
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OFR-5-78 Humidity Effects On Coal Mine Roof Stability
By N. B. Aughenbaugh
This report summarizes the results of an investigation into the causes of coal mine roof instability caused by the environmental characteristics of the air ventilated through a mine. The field studies
Jan 1, 1976
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La metalización polimetálica aurífera del Perú
By Jorge Nelson Rivera Guillén
Dado el alto consumo de cobre, zinc y platino en la industria minera a nivel mundial, se genera un desabastecimiento de cobre, aluminio, fierro, plomo y zinc a fines del siglo XIX. En ese sentido, la
Feb 1, 2016
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The North American Iron Ore Industry A Decade into the 21st Century
By J. D. Jorgenson
?? U.S. domestic production peaked at 120 Mt during years of the Korean Conflict120 Conflict ?? Pellet production increased, as highPellet high-grade ores decreasedores decreased ?? Until 1982 reces
May 1, 2011
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Vanadio en el Perú (IV)
By Silvio Hernández Aquije
El presente texto señala el descubrimento del yacimiento vanadífero de Minasragra a través del reporte de Yeatman-Berry en 1916 y el de Kett-Sproul en 1931. Así también señala los tipos de mineralizac
Jul 1, 1955
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Gold Financing and the Title to Gold: Gold Loans, Gold Coins and Goldcorp
The principal source of funding the working capital requirements of gold miners has traditionally been equity. However in the 1980s, with a substantial increase in activity in the exploration for, and
Jan 1, 1994
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Identifying Opportunities to Reduce the Consumption of Energy Across Mineral Processing Plants
Identifying Opportunities to Reduce the Consumption of Energy Across Mineral Processing Plants
Sep 13, 2010
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Fomento minero a través del financiamiento
By David Ballón Vera
El presente estudio describe la importancia del financiamiento en la industria minera como herramienta de difusión a través de dos condiciones: la primera, es que esta se adecúe a las características
Nov 20, 1978
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Shear-bond strength testing of thin spray-on liners - Synopsis
By H. Yilmaz
A testing method for assessing the shear-bond strength of thin spray-on liner (TSL) on rock substrate was developed at Wits University Rock Mechanics Laboratories. The gap between a 20 mm thick steel
Jan 1, 2007
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A Tool for Benchmark Study of Roadway Development Performances
In responding to why some longwall roadway development rates are different among mines, the Roadway Development Task Group (RDTG) of Australian Coal Association Research Program (ACARP) has initiated
Dec 6, 2010
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The Effect Of Velocity On The Dispersion Of Pollutants In A Hypothetical Arctic Open-Pit Mine
By A. Choudhury
Deep open-pit mines are becoming increasingly common in the highly mineralized arctic and sub-arctic regions. Air inversion is a frequent occurrence in these regions, and is exacerbated by the natural
Jan 1, 2012
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Overmining In Kailuan, China Mining Area (d9eb7d79-18c1-4a77-a59a-53706a90764b)
By Jun Han
Coal has been mined in the Kailuan mining area for more than 130 years. The remaining reserves consist of, in large part, coals that would have been considered economically unminable or technically no
Jan 1, 2009
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Controlling high risk blasting in an urban environment The Airport Link Story
By Rob Domotor
This paper tells the story of using controlled surface and underground blasting methods to excavate hard rock in three areas on Australia’s largest road infrastructure project; the Airportlink Project
Jan 1, 2012
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Improving Silica Dust Controls for Metal/Nonmetal Mining Operations in the United States
By Jay F. Colinet
Researchers at the Pittsburgh Research Laboratory (PRL) of the National Institute for Occupational Safety and Health (NIOSH) work to reduce respirable dust exposures in mining operations. One focus o
May 1, 2007
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Disociación de enlaces de carbono por plasma energético de microondas y energía para la transformación de residuos
By Walter Estrada, Fernando Valencia, Jaime Luyo
La gasificación por plasma es un proceso térmico a alta temperatura en el que los desechos se descomponen en elementos fundamentales y compuestos simples en un entorno anaeróbico. El sistema presentad
Sep 30, 2019