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Mineral resources policies and governance in IndonesiaBy G. Tiess, S. Mujiyanto
Indonesia is a fast growing democratic developing country comprising more than 17,000 islands, founding member of ASEAN and a member of the G-20 major economies. It is one of the most highly mineralis
Jan 1, 2011
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Selecting a Conveyor SystemBy Leroy O. Gieseke, John B. Begley
If the particles produced and transported in your plant are as chunky as rough crushed coal or as fine as cement, there are probably several conveying and elevating systems suitable for your operation
Jan 12, 1980
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Practical Optimization Strategies for Coal-Washing Plants – Preprint 97-70By R. P. King
The MODSIM mineral processing plant simultor is used to find optimal combinations of target separation specific gravities in a typical modem coal washing plant. A plant that is set up with these optim
Feb 24, 1997
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Exploration: Both a Boom and Bust Year - 1980 Annual ReviewBy Paul Russell, M. M. Kimberley, Erick F. Welland, Louis Cope, C. C. Mosher, William M. Shepard, William C. Larson, Graham Closs
Exploration activities in 1980 felt the effects of unstable economic conditions and oscillating metal prices. In the cyclical, boom-or-bust precious metals and uranium markets, precious metals activit
Jan 5, 1981
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Trends In The Regulation Of Mineral Deposit ValuationBy T. R. Ellis
Regulation of mineral property valuation methodology by governments and others is due to frauds, condemnation and takings, banking industry problems, and litigation. Definitions of "reserves," "resour
Jan 1, 1999
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Analyzing the Implications of a Change in Mining Regulations on a Small City EconomyThere is wide agreement that sustainability has multiple dimensions, but substantially less agreement on the appropriate balance among those dimensions. This occurs because peoples’ vision of a sustai
Jan 1, 2005
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Considerations for improving the performance of froth flotation systemsBy Richard R. Klimpel
Introduction Froth flotation is one of the most common unit engineering operations in use today. Its aim is to upgrade the quality of coal by removing ash/pyrite and separating selected minerals from
Jan 12, 1988
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Selected Factors Affecting Longwall Mine Layouts In The Pittsburgh Coalbed Of Southwestern PennsylvaniaBy A. Iannacchione
Longwall mining began within the Pittsburgh coalbed of Pennsylvania (PA) in the early 1970?s. Originally, longwall mine layouts were designed to fit within existing room-and-pillar operations, where
Feb 27, 2013
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Developing Gold Fields’ La Cima Cerro Corona Project in PeruBy Richard W. Graeme, James J. Komadina
Gold Fields acquired an option to purchase the Cerro Corona project, located in Hualgayoc, Cajamarca Department, Peru, in December 2003. In January 2006, the option was taken up and the transaction c
Jan 1, 2007
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Nacimiento Lake TapBy Clay Haynes
In 2005, Black & Veatch Corporation began designing a raw water conveyance system for San Luis Obispo County from Lake Nacimiento to the city of San Luis Obispo. The first element of the water transfe
Jan 1, 2008
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Four world titanium mining provincesBy K. J. Stanaway
Major world ilmenite and rutile accumulations reveal similar regional geology and Proterozoic age deeper crustal source rocks. During crustal collision titanium crystallizes as ilmenite and rutile at
Jan 1, 2005
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A Disappointing Year for Industrial Minerals ProductionA glance at the accompanying table reveals that for the first time in many years the industrial minerals field did not post significant gains in production. Gypsum, cement, sand and gravel, and cru
Jan 5, 1980
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Hong Kong Strategic Sewage Disposal Scheme Stage I—Deep TunnelsBy Will Foreman, Douglas D. McLearie, Edwin K. H. Tong, William H. Hansmire
Hong Kong’s Strategic Sewage Disposal Scheme (SSDS) Stage I involves the provision of a system of deep tunnels for transporting to a central treatment works wastewater collected from a number of catch
Jan 1, 2001
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Innovation On The Iron Range: Report On The SME Minnesota Section MeetingAt long last, mining is on the rebound in Minnesota?s Iron Range and the excitement is starting to show. The SME Minnesota Section?s annual meeting was once again held in the heart of Iron Range count
Jan 1, 2011
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Small-Mine And Contractor Safety – Addressing A Continuing ProblemBy R. L. Grayson, F. Giana, R. Aspinwall
Small-mine and contractor Fatal Incidence Rates have been a problem for over 20 years in the coal industry, and the rates persist as unacceptably high. This paper briefly retraces historical informat
Jan 1, 2006
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Modification Of Waelz Kiln Processing Of La Oroya Zinc FerriteBy P. C. Holloway
La Oroya zinc ferrite (19.5% Zn, 26.6% Fe, 0.052% Ga, 0.075% In) was roasted with coal under conditions more oxidizing than normally used in a Waelz kiln, and the roasted residues were leached with 20
Jan 1, 2008
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Ilmenite Direct Reduction Project In Norway Using The Grate-Car ProcessBy G. Folmo
Allis Mineral Systems' GRATE-CAR agglomeration/induration/reduction process is currently being operated to process ilmenite at Tinfos Titan & Iron KS in Tyssedal, Norway. In this process, balled
Jan 1, 1992
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Hydraulic Considerations For Leaching OperationsBy J. F. Lupo
Leaching operations combine both metallurgical and hydraulic processes to extract metals from the ore heap. In the design of leaching operations, metallurgical tests and simple hydraulic tests are oft
Jan 1, 2000
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How Do We Promote Mining? Educate Teachers – They Educate StudentsBy Dan Witkowsky
For the 36th consecutive summer, the Colorado Mining Association Education Foundation and the Colorado School of Mines have sponsored “A Total Concept of the Mining Industry” for kindergarten through
Jan 1, 2004
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Government: Legislation, Regulations, & Court Rulings - The Year That Minerals Policy Wasn’tThe administration came on as a strong supporter of the mining industry in April of 1982 when President Reagan delivered his long-awaited minerals policy statement. He promised to reduce America'
Jan 5, 1983