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Abrasive Materials
By Gordon T. Austin
The combined value of production of natural abrasives, which includes tripoli, special silica stone, garnet, staurolite, and emery, increased about 21070 in 1989. The increase in the value of stauroli
Jan 1, 1991
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OFR-34-79 Automatic Fire Sensing And Suppression Systems For Mobile Mining Equipment
By Ralph B. Stevens
The objective of the Automatic Fire Sensing and Suppression Systems for Mobile Mining Equipment program is to document the design, fabrication, factory testing, 11-month in-mine testing, and final dem
Jan 1, 1978
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Mineral Indicators - Aluminum (54f47601-ed26-489e-881f-8c926ea27928)
Martin Marietta Aluminum, Inc. followed Howmet Aluminum Corp., Revere Copper and Brass, Inc. and Anaconda Co. in lifting August prices of 99.5 percent unalloyed aluminum ingot by 3 cents to 56 cents p
Jan 1, 1978
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Abrasive Materials (ABRASIVE MATERIALS- 1993)
By Gordon T. Austin
The combined value of production of natural abrasives, which include tripoli, special silica stone, garnet, staurolite, and emery, increased in 1993. The increase in the value of tripoli production wa
Jan 1, 1993
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Hydraulic Dredging For Gold-Bearing Gravels.
By Henry G. Granger
I. INTRODUCTION. REPEATED failures in attempts to work gold-bearing gravels by means of suction-dredges have created the impression that this method is impracticable. The suction-dredges have failed
Apr 1, 1909
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IC 7069 Tin Deposits Of The Black Hills, South Dakota ? Introduction
By E. D. Gardner
A general survey of the mineral industries of the Black Hills is being made by the Bureau or Mines, but this report is confined to the tin deposits of that region. Because of the strategic importance
Jan 1, 1939
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OFR-4(1)-72 Industrial Engineering Study Of Hazards Associated With Underground Coal Mine Production - Volume I - Analysis Of Underground Hazards And Fatal Accidents
In 1970, the U. S. Bureau of Mines contracted with Theodore Barry and Associates, a management consulting firm, to perform a one-year industrial engineering study of working-face hazards in undergroun
Jan 1, 1971
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IC 7348 European Shale-Treating Practice ? Introduction
By William W. Odell
In Europe and in certain other foreign countries studies have been made, extending over a period of years, relating to the winning of oil from oil shale. More work has been done in these countries tha
Jan 1, 1946
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The Mineral Industries Of Europe And The U.S.S.R. - Introduction
By Michel C. Frippel
This section of the Minerals Yearbook reviews the minerals industries of 29 countries: the 12 nations of the European Community (Belgium, France, the Federal Republic of Germany (FRG), Italy, Greece,
Jan 1, 1992
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Mineral Indicators By Region
New Copper Deposit in Chile. - The recent copper discovery in Chile, made jointly by U.S.-owned Empresa Minera Utah de Chile, Inc., and Getty Mining Chile), Inc., awaits the passage of Chilean legisla
Jan 1, 1981
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IC 9182 Human Factors In Mining
By Mark S. Sanders
There is a growing awareness among mining professionals that the human factor plays a significant role in safety and productivity. Since the 1960's, the science of human factors, or ergonomics, h
Jan 1, 1988
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Prospects For Improved Monitoring Systems
By J. O?Shea
From the characteristics of the new (1976) electronic components and units that are being marketed, the author has tried to foresee the types and the performances of the near-future slope-monitoring e
Jan 1, 1978
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Silver (dc47631e-097f-4de4-862f-2dbb896f4b9c)
By Roberto Antoniolli
"IntroductionSINCE ancient times, the precious metals have played an important role in influencing the course of history. Silver and gold happened to occur, although in small amounts, in those countri
Jan 1, 1954
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The witchcraft and logic of gold pricing – politics, inflation, speculation, and the value of the dollar are all contributing factors
By Thomas D. Kaufmann
Introduction What drives the price of gold? Supply and demand, of course. But in ways far different from the forces that drive the prices of other major metals, such as steel, aluminum, and copper. G
Jan 9, 1987
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A Glossary Of The Mining And Mineral Industry. - Introduction.
By Albert H. Fay
This glossary is published by the Bureau of Mines as a contribution to the mining literature in the belief that it will fill a long-felt need. It contains about 20,000 terms; these include both techni
Jan 1, 1920
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OFR-54-86 Mineral Investigations In The Chugach National Forest, Alaska (Islands Area)
By Joseph M. Kurtak
The Bureau of Mines (Bureau) and the U.S. Geological Survey (USGS) conducted a 4-year (1979-1982) mineral assessment study of the Chugach National Forest (CNF), Ak, as part of the Roadless Area Review
Jan 1, 2011
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IC 7554 Reconnaissance of Metal Mining in the Sail Juan Region, Ouray, San Juan, and San Miguel Counties, Colo
By Paul T. Allsman, William H. King
This paper describes the mineral deposits and discusses mining and milling methods and related operating conditions in an important gold , silver , lead , and zinc producing area in Ouray , San Juan ,
Mar 1, 1950
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The Smokeless Combustion Of Coal In Boiler Furnaces - With A Chapter On Central Heating Plants ? Introduction ? The Problem And Its Solution
By D. T. Randall
The burning of coal without smoke is a problem that concerns the Government directly because of the advantages of smokeless combustion both in public buildings and on naval vessels. In addition, smoke
Jan 1, 1918
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Outline of a Plan for a Monetary System for India
By L. BENEDICT
COMMENTING on the report of the latest Royal Commission for India, the September, 1926, issue of the National City Bank's monthly letter states, among other things, that "The decision of the Roya
Jan 1, 1926
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Adoption of High Oxygen Bottom Blowing in Copper Matte Smelting: Why is it taking so long?
By Enzo Palumbo, Joël P. T. Kapusta, François Larouche
In light of the rapid deployment of bottom blowing smelting in China over the last ten years, one has to wonder why it has taken the copper industry so long to adopt ultra-high oxygen enrichment via S
Jan 1, 2015