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East Boulder Mine - A River Runs Through It
By Ken J. Brouwer
Stillwater Mining Company commenced construction and development of the East Boulder underground mine in 1998. This new PGM mine is situated adjacent to the East Boulder River approximately 35 miles s
May 1, 2002
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Reprocessing Of A French Guyana Operation?s Tailings Using Flotation For Gold Concentration
Compagnie Minière Espérance mines a primary gold orebody in an openpit. The ore is processed through crushing, primary gravity concentration, grinding and secondary gravity separation, generating tail
Jan 1, 2010
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Air Separation Of Heavy Metal Contaminants From Soil
By Martin E. Nelson
Several heavy metal separation techniques are currently being developed for soil remediation at various Department of Defense and Department of Energy (DOE) Facilities. The majority of these technique
Jan 1, 1995
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OFR-39-84 Postmining Results In Coshocton County, Ohio: Research On The Hydrology And Water Quality Of Watersheds Subjected To Surface Mining
Surface mining and reclamation of a southeastern Ohio site with sandstone-shale overburden resulted in (as compared to premining levels): 1) runoff volumes and peak rates that increased by a factor of
Jan 1, 1983
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Some Environmental Issues In Marine Mining, With Possible Resolutions
By Derek V. Ellis
This article is a summary, with documentation and references, of recent global developments in identifying environmental issues affecting the marine mining industry. It is recognised that marine minin
Jan 1, 2000
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Identifying Potentially Acid Forming Overburden Types Using Field Nag Testing at Pt Kaltim Prima Coal, Indonesia
By Stuart D. Miller, Clayton L. Rumble
"A field net acid generation (NAG) test procedure has been utilized on-site to identify, classify and map potentially acid forming overburden at the PT Kaltim Prima Coal (K.PC) mining operation situat
Jan 1, 1999
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Control Of Copper In Carbon Adsorption And Gold Recovery Circuits - American Girl Mining Experience
By C. L. McKenzie
American Girl Mine is located in the Cargo Muchacho Mountains in the southeastern Imperial Valley of Southern California. Production from the current open pit mine and heap leach recovery system began
Jan 1, 1993
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OFR-85-75 Develop And Test Canopy Air Curtain Devices - 1 Introduction And Summary
By William J. Krisko
This contract final report summarizes the design, fabrication and testing of canopy air curtain devices under Bureau of Mines Contract H0232067. The canopy air curtain device is designed to reduce the
Jan 1, 1975
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Soil Improvement Through Rammed Aggregate Piers To Mitigate Liquefaction Risk In Storage Tanks
By Francisco A. Flores, José L. Aguirre, Héctor A. de la Fuente, Erika Bernal, Jorge Arroyo-Esquedla
This paper presents the analysis, design, and construction of soil improvement for storage tanks foundation support at a site in Tabasco, Mexico. A total of 980 Rammed Aggregate Piers of 12.5 m in len
Oct 1, 2022
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Simulating Integrated Hydrology in Mining Catchments from Planning to Closure
By S Szylkarski, D N. Graham
In mining, water management is an operational necessity, requiring planning and detailed engineering, as well as risk assessment. Yet, the hydrology of streams and aquifers typically extends well beyo
Jun 28, 2016
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Mineral Resources Of The Cow Creek Wilderness Study Area, Blaine And Phillips Counties, Montana ? Summary
By Michael S. Miller
In 1984, at the request of the Bureau of Land Management, the U.S. Bureau of Mines studied the 34,050-acre Cow Creek Wilderness Study Area (WSA) in order to evaluate its mineral resources. The WSA, lo
Jan 1, 1986
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Reconciliation – Outcomes and Expectations
By W J. Shaw
Mining operations must become more predictable to overcome the volatility that has characterised the mining industry. Comparisons of production against predictions will become more consistent as minin
Aug 18, 2014
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Exploring The Third Dimension Of An Active Seafloor Hydrothermal System Hosted By Felsic Volcanic Rocks: ODP Leg 193 At PACMANUS, Papua New Guinea
By Raymond A. Binns
In this first sub-seafloor examination of an active hydrothermal system hosted by felsic volcanic rocks at a convergent plate margin, we drilled 13 holes altogether, achieving deep cored penetrations
Jan 1, 2002
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EAF Dust Processing in the Gas-Fluid Flame Reactor Process
By C. O. Bounds
Management of emission control dust from electric? arc furnace (EAF) steelmaking as an RCRA-EPA listed hazardous waste places economic and environmental pressures on the steelmaking industry. Horsehea
Jan 1, 1990
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Blasting in Challenging Environments
By Richard Goodridge, Stephen Thomsqn, S Rodgers, D Tunaley
The mining, quarry and construction industries are facing’new challenges everyday. These challenges can be imposed by economic objectives or through external factors such as extreme geological conditi
Jan 1, 1998
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Empirical Approach Based Estimation of Charge Factor and Dimensional Parameters in Underground Blasting "Mining, Metallurgy & Exploration (2021)"
By VIVEK KUMAR HIMANSHU, M. P. Roy, P. K. Singh, A. K. Mishra, RAVI SHANKAR
Blasting with the aim to reduce oversize boulders in underground has many hurdles due to limited accessibilities and poor site conditions. Optimized drilling and blasting parameters can help to achiev
Jan 4, 2020
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Lifestyle in Fly-in, Fly-Out Operations Versus Residential Operations: A Personal Comparison and Choice
This report will differ slightly from the traditional scientific and technical discussions given at this type of conference. It will focus on the personal experiences and choices that I undertook when
Jan 1, 2005
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Uranium Resource Assessment Through Statistical Analysis Of Exploration Geochemical And Other Data
By Jr. Koch
In the Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) phase of its National Uranium Resource Evaluation (NURE) pro¬gram, the U.S. Department of Energy (DOE) samples about 1400 sites for st
Jan 1, 1980
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Have Aggregates - Will Travel
By B. J. Timmons
An initial point that I would like to make very emphatically?and as our title might erroneously suggest for those of you old enough to remember . . . Peter Harben and myself do not intend to shoot our
Jan 1, 1987
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IC 9062 Microcomputer-Based Instrumentation System For Monitoring Ground Support In A Deep Mine Shaft
By J. K. Whyatt
This report describes a microcomputer-based instrumentation system for structural monitoring of the circular, concrete-lined Silver Shaft in northern Idaho, The 1-ft-thick concrete lining and surround
Jan 1, 1986