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Government Actions And The Mineral Industry (35aa520d-3a97-490d-bb46-c0b92558a58c)
New Trade Status for Mainland China--On January 24, the Congress approved a most-favored-nation trade status with Mainland China for both imports and exports. A Presidential Proclamation had been issu
Jan 1, 1980
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Mogador Sulphide Deposit (Vendome Mines Limited)
By P. R. Geoffoy, T. Koulomzine
"The discovery of the Mogador deposit concealed by 100 feet of overburden was the result of combined application of geological reasoning, ground geophysical surveys, studies of glacial float and exten
Jan 1, 1960
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73. Bishop Tungsten District, California
By Raymond F. Gray, Victor J. Hoffman, Richard J. Bagan, Harold L. McKinley
The first indication of tungsten in the Bishop area was the discovery of scheelite concentrations in a gold placer operation in the ( since named) Tungsten Hills in 1913. After early intermittent prod
Jan 1, 1968
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Evaluating the Effect of Seeding on Zinc Recovery through the Zincor Iron Removal Circuit
By Jochen Petersen, Diane Taggart
"At an average of 90.3% (for the period of 1 January 2009 to 30 September 2011), Zincor’s zinc recovery was well below the industry standard of 96%. The losses through the residues, in particular the
Jan 1, 2016
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Beyond Geometallurgy – Gaining Competitive Advantage by Exploiting the Broad View of Geometallurgy
By S Dunham
A cross-discipline approach combining geology, metallurgy and mine planning, geometallurgy is seen as the next logical advance in improving the design and operation of mining businesses. This rapidly
Sep 5, 2011
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Prohibited Activities and the Resource Management Act 1991 û Does æProhibitedÆ Mean æForbiddenÆ?
By M L. van Kampen
The Resource Management Act 1991 provides for activities to be classified as permitted, controlled, restricted discretionary, discretionary, non-complying or prohibited in district and regional plans.
Jan 1, 2007
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OFR-134-78 Electromagnetic Guided Waves In Mine Environments - Proceedings Of A Workshop
A unity of viewpoint emerged from the workshop. The concept that transmission is via characteristic modes was a common theme in many of the presentations. Also, the confusion an the meaning of monofil
Jan 1, 1978
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Archean Lode Gold and Base Metal Deposits: Evidence for Metal Separation into Independent Hydrothermal Systems
By R. W. Hodder
"Archean lode gold deposits of both vein and chemical sedimentary types typically have major enrichments of certain rare elements, including Au, Ag, As, Sb, B, W, Se, Te and Bi, coupled with low or ne
Jan 1, 1982
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Recent Developments in Thermally Insulating Materials Based on Geopolymers—a Review Article Mining, Metallurgy & Exploration
By K. Muralidharan, P. R. Rao, M. Momayez, K. A. Runge
The evolution of trapped geothermal heat in hot underground mine along with emission of toxic gases and dust during mine activity makes the mine environment unfavorable is hazardous to worker’s health
May 9, 2020
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Discussion of Papers Published Prior to 1958 - Energy-Size Reduction Relationships In Comminution
By R. J. Charles
F. C. Bond: This is an outstanding paper on comminution theory and represents a considerable advance in mathematical formulation. It clears the way for a discussion that should ultimately decide wheth
Jan 1, 1959
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OFR-127-80 Improved Light-Scattering Dust Monitor
By Byron S. Kutscher
This report summarizes the program to develop and construct an improved light-scattering dust monitor (ILSDM). This improved light-scattering dust monitor, which operates on the forward light scatteri
Jan 1, 1980
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Bulletin 149 Bibliography of Petroleum and Allied Substances 1915
By E. H. Burroughs
Persons interested in th_e study of petroleum and allied substances have long felt the need of a bibliographic index to the literature. This bibliography, which is intended to be the first elf a yearl
Jan 1, 1918
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RI 4892 Petroleum-Engineering Study Of K.M.A. Reservoir, Southwestern Part Of K.M.A. Oil Field, Wichita And Archer Counties, Tex.
By Rollie P. Dobyns
The K.M.A. reservoir was discovered to be oil bearing at a depth of 3,719 feet on March 11, 1931. Extensive development, however, was not begun immediately, because the discovery well had a low initia
Jan 1, 1952
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The New Progress in the BGRIMM Emulsion Explosives Technology
By Wang Xuguang, Zhang Xiaozhi, Li Guozhong, Xiong Daiyu
The emulsion explosive is a new kind of water-based industrial explosives that was developed at the end of 1960s. In the 1970s, BGRIMM invented EL-series emulsion explosive that created a new era of w
Jan 1, 2003
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OFR-72-79 Feasibility Of Longwall Mining In Non-Fossil Fuel Deposits.
By Kenneth Wardell
Those flat lying, bedded or replacement, non-fossil fuel deposits which exist within the U.S.A., and which are amenable to longwall mining, are identified by reference to three principal factors assoc
Jan 1, 1978
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Tunneling Through Mountain Faults
By Don W. Deere
Faults under high rock cover represent some of the most severe ground conditions a Tunneler can encounter. High ground water pressures and flows are usually associated with mountain faults. Ground beh
Jan 1, 2007
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Zinc used for Money in Belgium and France
By George C. Stone
WHEN George C. Stone, a Director of the Institute, and so well known to our Members in connection with the Institute's many activities was abroad in 1.919, he secured an interesting collection of
Jan 1, 1920
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Coal-Mine Accidents In The United States 1935 - Introduction
By W. W. Adams
In mining coal, the Nation's principal mineral fuel, loss of life has been much lower recently than in earlier years when coal mining contributed so heavily to the industrial-accident death toll
Jan 1, 1938
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Coal-Mine Accidents In The United States 1936 - Introduction
By W. W. Adams
The accident-prevention record of the coal-mining industry in the United States was more favorable in 1936 than in 1935, both from the standpoint of the relative safety of the individual miner on the
Jan 1, 1939
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DEPOWS - A Powered Support Selection Model
By Y. M. Jiang
A users friendly PC Computer Program has been developed to implement a systematic design of the powered support. The required input data are: (1) thickness, RQD, and compressive strength of the immedi
Jan 1, 1989