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IC 6329 Sulphur - Introduction
By Robert H. Ridgway
This circular outlines salient facts regarding the sulphur industry of the United States and the world. It is founded chiefly upon published information available in the literature of the subject. The
Jan 1, 1930
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Incorporación de la incertidumbre geológica en la toma de decisiones en el planeamiento de corto plazo y control de mineral.
By Carlos Carrasco Arbieto
El óptimo conocimiento de los parámetros geológicos es importante para la economía de cualquier proyecto minero, dado que la previsión de las fluctuaciones de los riesgos geológicos, reduce la incerti
Sep 12, 2005
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The Corrosion Behaviour Of Steel In Seawater
By H Möller
The purpose of this paper is to give an overview of the corrosion behaviour of steel in seawater. It is shown that the corrosion products (oxy-hydroxides and calcareous deposits) that are formed durin
Jan 1, 2006
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Bulletin 79 Abstracts of Current Decisions on Mines and Mining
By J. W. Thompson
CONSTRUCTION OF STATUTE-SALE BY ENTRYMAN. The timber and stone act (20 Stat., 89) does not forbid an entryman from alienating his interest in his claim; but the act makes illegal any prior agreement b
Jan 1, 1914
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La gestión gráfica y su importancia en la minería subterránea
By Edgar Espinoza
En las últimas décadas el avance tecnológico de la informática, la telemática y el uso de los satélites ha producido una revolución tecnológica en todos los campos de la ciencia, entre otros. Por ello
Sep 13, 2001
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Mineral Commodity Summaries 1996 - Significant Events, Trends, And Issues - The Mineral Sector Of The U.S. Economy
The U.S. economy and, consequently, the demand for minerals grew at more moderate rates in 1995 compared with stronger performances the previous year. Demand for metals such as steel and copper was re
Jan 1, 1996
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Chicago Paper - Discussion of Mr. Sauveur's paper on the Microstructure of Steel and the Current, Theories of Hardening (see Vol. xxvi., p. 863)
Prof. A. Ledebur, Freiberg, Saxony :* Mr. Sauveur has presented and enriched with original observations a valuable summary of the theories advanced hitherto concerning the hardening of steel; but in o
Jan 1, 1898
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IC 6689 Development Of Sand And Gravel Deposits ? Introduction
By J. R. Thoenen
This circular is the second of a series presenting methods employed in solving the technical problems encountered in the production of sand and gravel. The first paper3 discussed the methods use in pr
Jan 1, 1933
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Evolução Microestrutural De Um Aço Dp Laminado A Frio Submetido Ao Recozimento Intercrítico Com Patamar Isotérmico No Resfriamento
By Mônica Aline Magalhães Gurgel
Nas últimas décadas o setor siderúrgico vem desenvolvendo aços com maior valor tecnológico, surgindo assim várias classes, entre elas os aços avançados de alta resistência, onde encontra-se o aço bifá
Aug 17, 2017
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Desarrollo y comparación de pruebas de revegetación para un cierre del tajo abierto en la mina Pierina (Barrick)
By J Cardozo
El presente texto señala las pruebas que comprenden el proceso de rehabilitación de la mina Pierina de tajo abierto. En esta perspectiva, las pruebas y monitoreos identificaron que los paneles cubiert
Aug 1, 2013
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Economía circular aplicada a minería
By Rosa Coronado
Este documento técnico muestra el estado de la economía circular — estrategia que fomenta el desarrollo productivo— en el sector industrial minero. Si bien la minería ya ha venido trabajando desde hac
Aug 30, 2020
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RI 3476 Properties Of Louisiana Crude Oils - II. -Additional Analyses (253de9e8-3d0e-4e25-8a37-fcbef3f581bb)
By E. L. Garton
[AnalY3e s of Qany crude t) i 1 s prod.uced in Loui sia.na are incl udeo" in re!Jor~ ~ th'l t have b en u~li shed by the BurOllU 0: i?{ine s. The first rc-port,j} givin..; analyseG of 6 Louisiana
Jan 1, 1939
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Information Technology Aids Soda Springs Phosphate Mine
By Randy Vranes
Sophisticated information technology, quality management systems and a commitment to the environment has allowed Solutia’s Soda Springs phosphate mine and elemental phosphorus plant to reduce operatin
Jan 1, 1999
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RI 4375 Missouri Valley Manganese Deposits. South Dakota Part I. - General Investigations, Stratigraphic Studies, And Tonnage And Grade Estimates
By Paul. E. Pesonen
Since early in 1940 the Bureau of Mines has been concerned with possible means of utilizing manganese-bearing materials from the Missouri Valley manganese deposit. During the period between July 1945
Jan 1, 1948
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A Blaster’s Tool To Measure Fragmentation
By Larry Mirabelli, David Lilly
In 1777, the French naturalist, Georges Louis Leclerc, Compte de Buffon developed a statistical technique to estimate the width between two parallel lines by randomly throwing a needle at the two line
Jan 1, 2008
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The Role of Conditioning Energy in Emulsion Flotation (99b0a156-5b49-41d8-9443-41bbbc826543)
The effect of conditioning energy input on the metallurgical results of an emulsion flotation process has beenattributed by previous authors to a detergency process.This paper shows that such a proces
Jan 1, 1970
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Modelamiento numérico para el diseño de precorte en taludes en roca
By José Vergara, José Espinoza
El objetivo principal de la técnica de precorte es generar un plano de debilidad que permita disminuir las vibraciones y gases producidos por las voladuras de producción, de modo que la calidad final
Sep 20, 2019
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The U.S. Cement Industry Operating In An Unfriendly Environment
Cement in 1975 indeed did operate in an unfriendly environment. World recession, escalating costs, fuel crises, reduced product demand . . . . all led to market conditions detrimental to industry prof
Jan 1, 1976
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Deformation and Structural Controls on Gold Mineralization in the Clarence Stream Shear Zone, Southwestern New Brunswick, Canada
By K. G. Thorne, D. R. Lentz, A. F. Park
"The Main zone of the Clarence Stream gold deposit is hosted by a shear zone adjacent to the Saint George batholith in southwestern New Brunswick. The mineralization history relates to progressive def
Jan 1, 2008
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Desarrollo sostenible: desafíos y oportunidades
By Alfredo C. Gurmendi
Perú, como parte de los países en desarrollo económico (PED, se caracteriza por las regulaciones en los sectores industriales y consorcios entre capitales extranjeros y nacionales. En este sentido, lo
Jul 31, 2003