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Highlights - AluminumIn response to increased aluminum demand, U.S. producers have begun reactivating primary aluminum capacity which was shutdown during the 1974-1975 recession. Reynolds Metals Company started up almost
Jan 1, 1976
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RI 3901 Gasification of Lignite & Subbituminous Coal for 1944By E. C. Yeager, E. O. Wagner, A. W. Koth, V. F. Parry, J. B. Goodman, D. G. Gernes, W. L. Patty
"In July 1943, the Bureau of Nines received an appropriation to investigate the beneficiation of Minnesota iron ores through the use of lignite. The broad objective was to find a way to link the large
Jun 1, 1946
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RI 3937 Exploration of Stoddard Fluorite Mine, Cheshire Co., NHBy J. D. Bardill
"The Stoddard mine, Cheshire County, N. H., was explored by the Bureau of Mines in 1944 as a source of the strategic fluorite. It was reported that the vein persisted in the bottom of old workings and
Sep 1, 1946
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Assessing Scalability of Natural Radionuclides and Associated Risks in Soils from Gold Mining Areas in Iperindo, Southwestern Nigeria - Mining, Metallurgy & Exploration (2024)By O. K. Olawale, G. O. Edaogbogun, B. N. Ben‑Festus, F. Ben, F. R. Amodu
The environmental and health implications of artisanal gold mining activities at mining sites across Nigeria have rekindled research interest. This study aimed to assess the scalability of naturally o
Feb 22, 2024
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La prueba cerrada de flotaciónBy Hernán Parra
Las pruebas cerradas de flotación (ICFT) son necesarias para el diseño de plantas a niveles de prefactibilidad y factibilidad, ya sea en proyectos greenfield o brownfield. Estas pruebas se realizan d
Aug 30, 2017
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The Plewes Method: a Word of Caution - Mining, Metallurgy & Exploration (2021)By LUIS ALBERTO TORRES-CRUZ
The assessment of liquefaction vulnerability is crucial to understanding the potential consequences of a tailings dam failure. The “Plewes method” is a relatively well-known and simple screening metho
Jan 28, 2021
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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 AccidentsIn 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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Coal Output Equals That of 1934 - Producers Actively Meet Competition - IntroductionBy J. T. Ryan
FIGURES for the first 11 months of 1935 indicate that the total coal production of the United States for 1935 will be approximately 416,000,000 tons, or almost identical with the production figures fo
Jan 1, 1936
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Physical Metallurgy: I.-Recent Developments; II.-Diagnosis of Mechanical FailuresBy Gordon Sproule
THE papers presented to the Institute, and published in the BULLETIN, in the past three years, may be classified as follows: Geology, Mining, and Milling 89 or 58.5 per cent Smelting, Refining, an
Jan 1, 1936
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RI 4170 Lead, Zinc, Silver. Copper, Bismuth Deposits, South Hecla Mine, Alta. Salt Lake County, UtahBy John I. Kasteler, John H. Hild
"INTRODUCTION The South Hecla mine, one of the principal mines of the Alta United Mines Co., is situated at Alta in thee Little Cottonwood mining district, about 30 miles southeasterly from Salt Lake
Jan 1, 1948
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Recomendaciones Técnicas en el Uso de Software en Aplicaciones GeológicasBy Jhon Melo
Los “softwares de aplicación” como herramientas en la exploración geológica, generan importante información geográfica sobre el área a estudiar, así como la cartografía y la toma de muestras en labora
May 25, 1998
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Construction Methods, Cushman Tunnel No. 2By F. E. ROGERS
CUSHMAN TUNNEL No. 2 is adjacent to the Hood Canal, near potlatch, Wash. It is 17 ft. inside .diameter, about 13,000 ft., or two and one- half, miles in length, and is a part of the second unit of the
Jan 1, 1931
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Introduction To Seminar - Review Of Literature On Pressing Of Metal PowdersBy Richard Paul Seelig
THE following review covers published information on pressing of metal powders at room temperature. Only those operations are considered which occur between the time the powder is filled into the cavi
Jan 1, 1947
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OFR-53-77 Analytical Investigation Of Electromagnetic Fields In Mine Environments - PrefaceBy James R. Wait
An attempt is made here to collect together various reports and publications that are based on research supported all or in part by Contract No. H0155008 for the past two years. The subject matter dea
Jan 1, 1976
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Demand for Nickel Continues to ExpandBy AIME AIME
BESIDES commanding increasing importance as an alloying element in combination with ferrous and other nonferrous metals, the variety of uses for pure nickel continues to widen. For coinage it is growi
Jan 1, 1934
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Surface Mine DevelopmentBy William A. Hustrulid
The subject of surface mine development is large. This section covers the fundamental concepts involved in both the open pit mining of thick or steeply dipping deposits as well as the strip mining of
Jan 1, 2008
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RI 3784 Moose Creek District of Matanuska Coal Fields, AKBy G. A. Apell
"SUMMARYThe quality of Moose Creek coal is considered superior to that of any now being produced in the Matanuska field of Alaska. In rank it is classed as roar coking high-volatile B bituminous coal.
Dec 1, 1944
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Geopolymer-based concrete to reduce carbon footprint of the construction industryBy H. Akbari
Ordinary portland cement (OPC) is the key pozzalonic component of the concrete mix widely used as a construction material worldwide. B illions of tons of OPC are used in the construction industry each
Dec 1, 2013
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Experimental Studies on Controlling Drilling Parameters to Reduce Roof Bolt-Hole Drilling Noise (e8dcc61b-ac47-48a5-a23e-35012db274c6)By Yi Luo
Bolting the mine roof is one of the noisiest underground mining operations. The main contribution to the noise is the drilling of the roof bolt holes, especially drilling in hard rock. Previous resear
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Application Of Virtual Reality In The Mining Industry – Where We Are Now? - SME Annual Meeting 2023By N. Akbulut, A. Anani
From the initial planning phases to the closing of a mine, mining is an industry where high attention, care, and sensitivity are needed in every step of the mine life. Since mining projects have a lon
Feb 1, 2023