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Acclimatization: Adapting Conventional Tunnel Lining Techniques to Overstress Rock Conditions - RETC2023
By Ross Goodman, Jean-Luc des Rivières
The Ohio River Tunnel Project encountered multiple unexpected geotechnical challenges which, continuing to develop over time, hampered excavation completion and impacted the cast-in-place final lining
Jun 13, 2023
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Cyanide Regeneration and Copper Recovery from Cyanide Solutions
By H. Soto, J. Jara, F. Nava
A method has been developed to recover cyanide and copper from solutions containing copper complexes and thiocyanate. Copper is precipitated as copper thiocyanate or as copper cyanide depending on pH
Jan 1, 1997
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IC 8598 An Economic Appraisal Of The Supply Of Copper From Primary Domestic Sources
By Harold J. Bennett
This study was performed by the Bureau of Mines to evaluate the potential supply of primary copper from domestic resources. A tonnage-price relationship was developed indicating the quantity of copper
Jan 1, 1973
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A Financial Advisor's Role In The Development Of Major Australian Mining Projects ? Introduction
By R. B. Massy-Greene
Project engineering and development is a process of optimisation of capital, operating and financial costs, and extraction rates in the light of current and forecast economic conditions for the sale o
Jan 1, 1982
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Financing considerations for the industrial minerals sector
By Robert Halupka
The industrial minerals sector represents a broad range of products involving a variety of technologies serving a diversity of markets and end uses. Unit values of products vary widely, reflecting the
Jan 1, 2001
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A Review of Work-Integrated Learning in South African Mining Engineering Universities
By L. A. Maseko
"As part of the mining engineering curriculum, students are required to be placed in industry for vacation work or work-integrated learning (WIL). In this paper we review work-based placement as done
Dec 1, 2018
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RI 4564 Estimated Plant And Operating Costs For Producing Gasoline By Coal Hydrogenation
By L. L. Hirst
In 1944, the 78th congress of the United States enacted Public Law 290, which directed the Secretary of the Interior, acting through the Bureau of Mines, to furnish industry with basic information and
Jan 1, 1949
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Technological Advances In Treating Copper Concentrates: The Intec Copper Process
By R. R. Bhappu
The metallurgical processing industry is in the midst of a hydrometallurgical revolution with mining companies looking for low cost, energy efficient and environmentally friendly technologies for proc
Jan 1, 1999
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Equipment Policy: The Effect Of Inflation On Economic Life And Profits
By James Douglas
For the past several years, inflation has placed increasing pressure on our economic system. The total effect of inflation is complex when combined with other factors which affect the economics of equ
Jan 1, 1972
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Papers - - Production - Foreign - Petroleum Development in Rumania in 1935
Both drilling and production of oil decreased in Rumania during 1935. The drilling totaled 1,042,041 ft. and production 61,973,938 bhl., being a decrease of 8.5 and 1.6 per cent, respectively. Wells c
Jan 1, 1936
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Papers - - Production - Foreign - Petroleum Development in Rumania in 1935
Both drilling and production of oil decreased in Rumania during 1935. The drilling totaled 1,042,041 ft. and production 61,973,938 bhl., being a decrease of 8.5 and 1.6 per cent, respectively. Wells c
Jan 1, 1936
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IC 8995 Nickel Availability - Market Economy Countries - A Minerals Availability Program Appraisal
By D. I. Bleiwas
Bureau of Mines personnel evaluated the potential availability of nickel from 151 deposits in 18 market economy countries and selected 126 for detailed analyses. An evaluation was made of tonnage-cost
Jan 1, 1984
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Is Silver a Commodity?
By TSUYEE PEI
I FEEL greatly honored and appreciate this opportunity to be able to say a few words about that rather perplexing subject, silver. The constant decline in the price of this metal has now reached the
Jan 1, 1931
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RI 4456 Synthetic Liquid Fuels, 1948 Annual Rpt., Pt. 1 Oil from Coal
By BUREAU OF MINES
In 1948 the United States became a net importer of oil. Coupled with an unprecedented domestic production of 5,900,000 barrels daily, imports approximating 500,000 barrels made available a total suppl
Jan 1, 1949
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IC 8632 Basic Estimated Capital Investment And Operating Costs For Underground Bituminous Coal Mines - Mines With Annual Production Of 1.06 To 4.99 Million Tons From A 72-Inch Coalbed
By Sidney Katell
This study estimates capital investment, operating costs, and selling prices for four underground bituminous mines producing coal with annual production ranging from 1.06 to 4.99 million tons. It is a
Jan 1, 1974
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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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Corex® - An Answer For Hot Metal Production In A Changing Environment
By Shibu John
The COREX® process is beside the FINEX® technology the only industrially realized alternative to the blast furnace route for the production of hot metal. Changes in the raw material sector in respect
Aug 17, 2017
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Commons and Senate Committees Comment on Tax Reform
By R. D. Brown
The Federal Government's White Paper on Tax Reform received further major criticism in the reports of the Committees of the House of Commons and the Senate, which recently completed a lengthy review i
Jan 1, 1971
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Engineered Materials: "Improved Performance" Technical Criteria Now Part Of A Material's Lifecycle
By W. J. McDonough
Rapid growth and acceptance of engineered materials have changed the way we live. We have come to expect improved performance at less cost. At the same time, our awareness of societal and environmenta
Jan 1, 1992
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Geology and the New Mines
By Ira B. Joralernon
THREATS of a coming metal famine in the United States have filled many columns in magazines and newspapers in the past three years. This asserted menace has diverted attention from the actual results
Jan 1, 1948