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OFR-28-77 Evaluation Of Current Surface Coal Mining Overburden Handling Techniques And Reclamation Practices
By Frank Cook
In this two-year study, an evaluation of mining and reclamation practices at 159 randomly sampled surface coal mines in the United States was conducted. It is concluded that reclamation practices in m
Jan 1, 1976
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Innovation Drivers And Opportunities Across The Gold Metallurgy Value Stream
By N. S. Phala
Declining gold grades, mineralogical complexity of ore bodies, increasing input costs, more stringent conditions in the licenses to operate, and uncertain gold price dynamics combine to exert signific
Sep 1, 2012
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Impact of Beneficiation on Coking Properties of a Typical Indian Medium Coking Coal
Most of the Indian coking coals are medium coking and of very high ash content. Beneficiation of these coals is a must for their utilisation in coke making. During washing while the ash content of the
Jan 1, 2014
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Mineral Resource Modelling and Reconciliation in Ultra Deep Underground Gold Mines
By R C. A Minnitt
The Witwatersrand Supergroup is host to the world’s largest gold deposits. The location, quantity, grade, continuity and other geological characteristics of a Mineral Resource are either known, estima
Aug 22, 2011
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Mechanical behaviour of rock salt masses under high stress to strength ratio (damaging) and under very low stress to strength ratios with high confining pressure (healing)
By Z. Hou
ABSTRACT: Short-term strength, damage and healing boundaries for rock salt are experimentally determined and integrated into the Hou/Lux-MDS damage-healing model. This model can be used to describe th
Jan 1, 2003
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RI 8837 Stratification in Water Quality in Inundated Anthracite Mines, Eastern Pennsylvania
By K. J. Ladwig
The Bureau of Mines conducted a field investigation of the water quality in inundated underground coal mines in the Northern Anthracite Field, eastern Pennsylvania. Water samples were collected at mul
Jan 1, 1984
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Countries And The Minerals Industry
By NEFE NONE
Possible New U.S. Half-Dollar. - Tile George Washington Commemorative Coin Act, H.R. 3133, was introduced in the House and approved by the House Banking Committee. It would allow the minting of at lea
Jan 1, 1981
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Forthcoming Meetings Of Societies (f42e5cc9-0c0c-454a-ab1f-ffae102fb390)
Organization Place Date 1917 American Institute of Architects Philadelphia., Pa. Dec. 26-29 American Society of Mechanical Engineers New York City. Dec. 4-7 American Mining Congress State Chapter P
Jan 12, 1917
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Effects of downwash from a six-rotor unmanned aerial vehicle (UAV) on gas monitor concentrations
By Jacob L. Brinkman, Catherine E. Johnson
Researchers are exploring the use of unmanned aerial vehicles (UAV) to measure concentrations of gas emissions in situations where such measurements are otherwise extremely difficult to obtain, such a
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RI 8942 - Application of Cast-On Ferrochrome-Based Hard Surfacings to Polystyrene Pattern Castings
By J. S. Hansen
To advance technology that can conserve critical materials, the Bureau of Mines investigated a cast-on hard-surfacing that wear resistance and confines alloy additions to wear-prone surfaces. Wear-res
Jan 1, 1985
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Actual Challenges and Benefits of Monitored Rollers
By J. Perlacia
"As the bulk handling sector continues its transformation to Industry 4.0, the mining industry, and its harsh working and environmental conditions, provides a perfect spot to study the feasibility of
Nov 1, 2019
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An Overview Of Existing Emi Standards Applicable To Mining
By Miguel Reyes, Chenming Zhou, MATTHEW GIRMAN
Electromagnetic energy emitted from electronic devices has been known to interfere with other electronic systems, hindering their ability to function properly. Mines have many electronic devices criti
Nov 1, 2022
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Mineral Commodities Summaries 1987 - An Up-To-Date Summary Of 88 Non Fuel Mineral Commodities - Significant Events In 1986 - National Economic Performance
The U.S. economy continued to expand during 1986, although at the slowest pace since 1982 when the current business expansion began. Real gross national product (GNP) grew about 2.6%, slightly below 1
Jan 1, 1987
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Does Competition Affect Bidding Outcomes in Common Value Auctions?—Case of Coal Block Auctions in India - SME Annual Meeting 2025
By Roderick Eggert, Dipesh Dipu
We look at the empirical evidence of coal block auctions in India to understand how competitive intensity affects the bid amounts in common value auctions. The results suggest that competitive intensi
Feb 1, 2025
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Studies of strength performance and deformation characteristic of layered rock
By P. He
Abstract This paper introduces the test results of dark-gray calcium-shale, discusses the infection of strength characteristic and deformation characteristic due to the angle between structural planes
Jan 1, 2003
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Tailing Dam Monitoring – Safety Enhancement Through Data Fusion - SME Annual Meeting 2022
By J. Kretschmann, A. Müterthies, T. Rudolph, C. Yang, P. Goerke-Mallet
Catastrophic failures of dams and tailing storage facilities (TSF) have triggered the development of integrated ground monitoring concepts for hazard assessment, risk management and public safety. The
Mar 2, 2022
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Availability Of Federally Owned Minerals For Exploration And Development In Western States: Idaho, 1988
By Paul C. Hyndman
The U.S. Bureau of Mines inventoried Federal mineral lands in Idaho and classified them in detail, section by section, according to their availability for mineral exploration and development as affect
Jan 1, 2012
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Uranium Mine Remediation In Northern Australia
By Peter Waggitt
Northern Australia has been home to uranium mining for over 70 years, more or less continuously. In the early days, post World War 2, there was little effort made to remediate workings at the end of o
Jan 1, 2020
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Geological Setting of Eliwana and Flying Fish Deposits along the North Limb of the Brockman Syncline, Hamersley Province, Western Australia
By S Robinson, R Perkins, D Barrett, D Kepert, C Fowers
The discovery and delineation of significant mineralisation in the Eliwana region continues Fortescue Metals Group’s strong exploration success. In the decade after the first hole was drilled into Chr
Jul 13, 2015
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Professional Services (117e6578-a4bd-4b25-981a-b4789e05ed4f)
[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 Consul
Jan 1, 1952