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Tailings Dam Sealed By Slimes SlurryBy Steven L. Webb
In 1965, Monsanto started planning of a new dike (No. 15) for use in disposing of ore tailings at its Columbia, Tennessee phosphorus plant. Generally, in the phosphorus industry only clay tailings are
Jan 1, 1971
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Coal Mine Subsidence In Colorado: Practical Application In A Regulatory Setting - IntroductionBy James A. Pendleton
The Legislature of the State of Colorado adopted House Bill 1223, "The Colorado Surface Coal Mining Reclamation Act" (The State Act), in 1979. This Act provided for the creation of a state regulatory
Jan 1, 1985
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Verification of Numerical Analysis with Monitoring Data for the Magenta Station of Paris Subway EoleBy Moussa Wone, V. Nasri, F. Guimbal, D. Andre
The Magenta underground station was constructed in the heart of Paris in saturated soft soil and at shallow depth. To investigate the surface settlement and the deformation of the concrete liner, inno
Jan 1, 2003
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Geology And Mineralogy Of The Zabirah Bauxite Northern Saudi ArabiaBy Gian-P. Lozej, Ross Y. Black, Sami S. Maddah
The Zabirah bauxite is a Cretaceous paleolaterite exposed by postTertiary uplift and erosion of the Phanerozoic sequence. The laterite profile, which is preserved in situ, occupies a prominent angular
Jan 1, 1984
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Numerical Simulation Of Yield Pillar Behavior With Creep Material Model (c63f327c-77cb-4179-b8f9-35b63de9bec4)By B. Pesic
Northwest Alloys, a wholly owned subsidiary of Alcoa, produces magnesium from dolomite by reduction with ferro silicon and aluminum. This process produces alkaline by-products in quantities that allow
Jan 1, 1999
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Screening MediaBy C. W. Matthews
Introduction Screening is defined as a mechanical process which separates particles on the basis of their size and their acceptance or rejection by a screening surface. The key element in this
Jan 1, 1985
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Ore Beneficiation Studies by Combined Image Analysis and MicroanalysisBy R. K. Mehta, M. G. Bersch
Characterization of an ore or mill product is routinely performed by time consuming and tedious chemical analyses, sink-float separations, etc. Additionally, these types of tests do not provide data
Jan 1, 1992
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South America De LuxeI reached New York at the start of my second South American adventure on Jan. 9, 1916. In the Anaconda office I found that we were not to take the steamer for two weeks which gave me time to study rep
Jan 1, 1976
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Jet Grouting for Tunnel Support Below Runway 15R-33L at BWI AirportBy Joseph K. Cavey
To accommodate the new Pier A expansion at BWI airport, a 1.8 m (6.0 ft)diameter stormwater pipe was constructed below active Runway 15R-33L. The jacked tunnel alignment runs east/west below the runwa
Jan 1, 2003
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Studies Of Surface And Sub-Surface Ground Movements Due To Longwall Mining OperationsBy D. J. Fitzpatrick
The paper reviews current mining subsidence research at The Department of Mining Engineering, University of Notting- ham. Special attention is being devoted to prediction of ground movements between t
Jan 1, 1986
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Off-Highway Truck Body True Capacity . . . Why Can’t I Get Rated Payload On My Off-Highway Trucks Without Hungry Boards And Tail Extensions?By L. Hagenbuch
Off-highway truck purchasers know the amount of tonnes, pounds, kilograms, etc, a truck will carry. However just because a truck is rated at 240 tons may in no way correlate to what that truck will a
Jan 1, 2002
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Ore Zoning Applied To Geologic Reserve Estimation Of Molybdenum Deposits (4040dca7-8675-4377-8b62-f2d8f66d9c9e)By D. E. Ranta, M. W. Ganster, A. D. Ward
An ore zoning technique developed by Climax geologists during the past forty years has been used to contour drill-hole assay values on cross-sections for fourteen porphyry molybdenum deposits in weste
Jan 1, 1992
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Evaluation Of Proposed Panel Closure Modifications At The Waste Isolation Pilot PlantBy L. E. Allen, J. F. Abel, D. R. Morgan
The Waste Isolation Pilot Plant (WIPP) is a geologic repository for disposal of transuranic waste and is operated by the U.S. Department of Energy (DOE). The repository is located at a depth of 655 m
Jan 1, 2003
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Coals - KaolinBy Haydn H. Murray, Sam M. Pickering
The term kaolin is used here, in a commercial sense, for near- white clay deposits which are dominantly comprised of the mineral kaolinite, or for products refined from such deposits. The term "china
Jan 1, 1994
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The Application of Hydrophobic Coagulation for Upgrading Ultrafine CoalBy R. Q. Honaker
Recent studies conducted at Virginia Tech have shown that ultrafine coal particles can be selectively coagulated and separated from mineral matter without the use of traditional agglomerants or floccu
Jan 1, 1991
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Gold Skarn Deposits Of The Elkhorn District, Jefferson County, MontanaBy C. I. Everson
The Elkhorn mining district is located 35 kilometers southeast of Helena, Montana, on the southeast edge of the Boulder Batholith. Geologically the district consists of a folded sequence of Paleozoic
Jan 1, 1992
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Mine Barrier Survival System Offers Inflatable Refuge In Underground MinesUnderground mining has the potential to be one of the more dangerous industries in the United States and the world. Following recent disasters in Sago, WV; Darby, KY, and Crandall Canyon, UT, the mi
Jan 1, 2008
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Manufacture Of Low Sulfur Fuel Oils From Oil ShaleBy R. H. Smith
The total energy demand in the United States increased about 4 per cent annually during the 1960's 1 and is expected to increase at the same rate during this decade. Z Fuel oil growth in the 196
Jan 1, 1972
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Comparison Testing of Oxygen Self-RescuersBy Nicholas Kyriazia, John P. Shubilla
A performance study of oxygen self-rescuers of varying durations from the United States and other countries was undertaken as an assessment of present worldwide technology. The apparatus were tested o
Jan 1, 1986
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Financial ConsiderationsBy John L. Halls
INTRODUCTION In this section, it is assumed that the reader is an engineer with sufficient training in underground mining work, preferably with budgetary control, to understand the mining methods ou
Jan 1, 1982