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Commissioning of the Intensive Cyanidation Plant to Treat Concentrate from the Selene Mine at the Ares Mill
By Tad Crowie, Victor Delgado, Nick Katsikaros, Tim Hughes
"A number of silver producers have identified a need for a system to recover silver and gold from base metal flotation concentrates on site rather than sending the concentrate to third party smelters
Jan 1, 2010
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Bulletin 21 Significance of Drafts in Steam Boiler Practice
By Henry Kreisinger, WALTER T. RAY
This preliminary bulletin was written as the first of a series of several on the significance of drafts in steam-boiler practice, the succeeding bulletins to be along the same lines but of a more adva
Jan 1, 1911
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South Africa's position in the world's supply of minerals
By B. G. Russell
A wide range of minerals is found within the Republic of South Africa, many of which are exploited to a greater extent than in similar deposits found elsewhere. It is often asked whether this is atrib
Jan 1, 1986
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The Origins of Pressure Hydrometallurgy
By F. Habashi
The pioneer work on pressure hydrometallurgy was conducted in Russia at the end of the nineteenth, and the beginning of the twentieth centuries, by Karl Josef Bayer (1847-1904) and Vladimir Nikolyevit
Jan 1, 2004
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Realization Of An Innercity Car Park By Means Of A Complex Underpinning Measure
By Robert Thurner
The underground car park "Admonterhof in the historical centre of Graz is an example for the technical and economical success of a complicated structural design using a concept on the basis of the obs
Jan 1, 2006
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OFR-118-76 Heap Leaching Studies On Uranium Ore
By Robert C. Merritt
Laboratory amenability studies as well as a pilot heap-leaching investigation of low-grade sandstone uranium ores from Wyoming, New Mexico, and Colorado are described. Sulfuric acid heap leaching with
Jan 1, 1976
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Government Actions And The Mineral Industry
New GSP Trade Status Approved.--President Carter, by Executive Order effective March 30, has approved Generalized System of Preference treatment for imports of nonferrous metal products and other impo
Jan 1, 1980
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Government Actions And The Mineral Industry (dd005bac-daa5-4b21-bd61-2f4113c16e49)
Lead Tariff.--The full House Ways and Means Committee approved H.R. 6089 which will have the effect of reducing the tariff on unwrought lead to 3% ad valorem, with a floor duty of 1.0625 cents per pou
Jan 1, 1980
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IC 7830 Bibliography Of Zirconium - Supplement To Information Circular 7771 ? Introduction
By Eleanor Abshire
This bibliography is the second in a series that covers the current technical literature relating to the metallurgy of zirconium. The rapid advance in zirconium technology makes it mandatory that abst
Jan 1, 1958
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Geophysical Discoveries in the Mattagami, Quebec
By N. R. Paterson, D. G. MacKay
"The geology of the Mattagami mining camp, while of particular economic significance, is unfortunately obscured by a very thick mantle of overburden. For this reason geo-physical methods have been rel
Jan 1, 1960
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Surveying And Sampling Diamond-Drill Holes.
By E. E. White
(Cleveland Meeting, October, 1912.) IN, August, 1911, I read a paper before the Lake Superior Mining Institute' on surveying and sampling diamond-drill holes. The present paper gives a more thor
Nov 1, 1912
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Government Actions And The Mineral Industry (e6dd984d-a67d-4dc2-8850-982c71e4b1c5)
Antitrust Investigation Dropped. - The Department of Justice announced that it was dropping its 5-year investigation of the aluminum industry. The investigation was over whether the aluminum companies
Jan 1, 1980
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Demand for Nickel Continues to Expand
By 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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OFR-135-77 Multilift Longwall Mining Methods For Thick Coal Design And Feasibility
By John Wilson
This report describes the performance of Phase I of a project to design, analyze, and demonstrate a multilift longwall mining method applicable to mining coal seams twelve (12) feet or more in thickne
Jan 1, 1976
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Exploring the applicability of responsible research and innovation for mine transitions
By S Worden, A Lee Zhi Yi, E Sellers, G Corder, A Littleboy
The global shift towards decarbonisation is driving competition for the extraction of critical minerals such as nickel, lithium, and copper. To meet this demand, new mines are being developed while mi
Aug 2, 2023
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Annual Review 2015 Mining Review
By J. A. Ober
"In 2015, the estimated value of nonfuel mineral production in the United States decreased by 3 percent from that in 2014 (Table 1), mainly as a result of decreased metal and metallic mineral prices,
May 1, 2016
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Silver Stabilization
By JOHN JANNEY
STABILIZATION of the adjustment of normal consumption to normal production of world commodities is quite different from reducing production until visible surpluses are consumed. The first means resto
Jan 1, 1931
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RI 9467 - Improved 6.8L Furnace for Measuring the Autoignition Temperatures of Dust Clouds
By Ronald S. Conti
A new U.S. Bureau of Mines 6.8-L ignitability furnace was used to study the thermal autoignitability of dust clouds. This furnace has a quartz window to allow observation of the early stages of the ig
Jan 1, 2010
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OFR-33(2)-79 Application Of A Total System Surface Mine Simulator To Coal Stripping - Volume II - User's Manual For A Surface Mining - Materials Handling Simulator
By C. B. Manula
This report is mainly concerned with the modification and development of a users manual for the Open-Pit Materials Handling Simulator (OPMHS) developed at Penn State. Model Modifications included the
Jan 1, 1976
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RI 6986 Projectile Impact Initiation of Condensed Explosives
By Elton L. Litchfield, Milton L. Weiss
Studies were made on the projectile impact sensitivity of explosives by subjecting explosive samples to the impact of metal projectiles fired from a 0.50- caliber gun . The projectiles , in the form o
Jan 1, 1965