Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
New Miner Training for the 21st Century
By Daniel H. McClain
A unique partnership between the Colorado Mine Safety and Training Program (CMSTP), the Colorado Rock Products Association (CRPA) and the Higher Education and Advanced Technology (HEAT)Center resulted
Jan 1, 2003
-
Geophysical Assessment Of The Mount Princeton Geothermal Area, Colorado ? Summary
By M. Batzle
The upper Arkansas basin has some of the greatest potential for geothermal development in Colorado. Over several summers, students conducted an investigation using seismic, gravity, and magnetics in
Jan 1, 2011
-
Validation of the Predicted Heat Strain Model in Hot Underground Mines Mining, Metallurgy and Exploration
By Paloma Lazaro, Moe Momayez
Heat-related illnesses (HRI) are relatively common in both hot surface and underground mining operations. When workers are exposed to extreme heat or strenuous work in a hot environment, they become p
-
Validation of the Predicted Heat Strain Model in Hot Underground Mines Mining, Metallurgy and Exploration (b1204250-b5e6-44a6-902f-6383dbcaf5a3)
By Paloma Lazaro, Moe Momayez
Heat-related illnesses (HRI) are relatively common in both hot surface and underground mining operations. When workers are exposed to extreme heat or strenuous work in a hot environment, they become p
-
Critical Chain Project Management Accelerates Equipment Shutdown Management Improvement Process - Preprint 09-051
By C. Asgaard
Asset availability has been a longstanding objective in mining and mineral processing plants around the world. Enormous resources in both dollars and manpower are invested in improvement efforts to ac
Jan 1, 2009
-
Annual Review 2005 – Mining Review
By P. A. Plunkert, D. E. Morse, L. McCartan, J. F. Papp
The mineral sector is a fundamental part of the U.S. economy. It contributes to the real gross domestic product (GDP) at several stages —basic (mining), intermediate processing, manufacturing of fini
Jan 1, 2006
-
The Search For Asbestos Within The Peter Mitchell Taconite Iron Ore Mine, Near Babbitt, Minnesota
By Malcolm Ross
Asbestos crystallizes within rock formations undergoing intense deformation characterized by folding, faulting, shearing, and dilation. Some of these conditions have prevailed during formation of the
Jan 1, 2007
-
Leaching Process and Mechanism of Weathered Crust Elution-Deposited Rare Earth Ore Mining, Metallurgy and Exploration
By Zhigao Xu, Ming Wu, Jun Qu, Rong Zhang, Wenrui Nie, Ruan Chi, Zhenyue Zhang, Zhengyan He
The leaching processes and mechanisms of weathered crust elution-deposited rare earth (RE) ores with ammonium sulfate were investigated for their high efficiency and low consumption exploitation. The
-
Leaching Process and Mechanism of Weathered Crust Elution-Deposited Rare Earth Ore Mining, Metallurgy and Exploration (a7b06571-a8d3-42ef-a017-d7b434b4427d)
By Zhigao Xu, Ming Wu, Jun Qu, Rong Zhang, Wenrui Nie, Ruan Chi, Zhenyue Zhang, Zhengyan He
The leaching processes and mechanisms of weathered crust elution-deposited rare earth (RE) ores with ammonium sulfate were investigated for their high efficiency and low consumption exploitation. The
-
Technology News – Using Satellite Technology to Find Precious Minerals
By Beverly Cramp
In 1995, mining engineer Alain Gachet thought about using Earth-observation satellite imagery to search for precious minerals. The latest radar Earth-observation satellite, Canada’s RADARSAT-1, had j
Jan 1, 2003
-
Remediating Historic Mine sites in Colorado
By James Dunn
“The strongest argument of the detractor (of mining)is that the fields are devastated by mining operations ...They argue that the woods and groves are cut down, for there is need of an endless amount
Jan 1, 1999
-
Uncertainty Based Push-Back Design Algorithm In Open Pit Mining
By J. Gholamnejad
In open pit mine planning and design, push back mine sequencing is widely used for long-term production planning. In push back design, a series of nested pits is generated and then considered as possi
Jan 1, 2007
-
Preliminary Design of the Caldecott Fourth Bore
By Bhaskar B. Thapa, Michael T. McRae, Johannes V. Greunen
This paper describes the preliminary design of the fourth bore of the Caldecott Tunnels along State Route 24 in Oakland, California. The paper focus is on two major aspects of the project: initial sup
Jan 1, 2007
-
Acid Rock Drainage from Abandoned Mines to High-Andean Lakes
By José A. Rios, José A. Vidalôn
The case study of a highland area in the Central Andes of Peru, where many abandoned polymetallic mines are found, is presented. Some of these mines generate metal leaching and acid rock drainage (ML/
Jan 1, 2000
-
Northwest Mining Association Sparks Glimmer of Mining Hope
By Steve Kral
The domestic mining industry may be in the doldrums but there appears to be hope, at least from a regulatory standpoint. At least one US senator believes that the events of Sept. 11, 2001 made man
Jan 1, 2002
-
Construction of the C710 Beacon Hill Station Using SEM in Seattle— “Every Chapter in the Book…”
By Zephaniah Varley, Satoshi Akai, Richard Sage, Steve Redmond, Mike Murray, Rohit Shetty, Gerald Skalla
One would be hard pressed to find another project as complex as this one given its configuration, the variety of issues to address and the required construction techniques. Contract C710 is currently
Jan 1, 2007
-
Diamonds and Their Host Rocks in the United States
By W. Dan Hausel
More than 220,000 diamonds have been found in the United States that range from microdiamonds to 40.42 carats in weight (Table 1). Some reports suggest diamonds weighing more than 100 carats have also
Jan 1, 1995
-
An Investigation Into The Use Of Backfill Zones And Yielding Pillars For Subsidence Control
By Keith A. Heasley, Lee W. Saperstein
This paper investigates the use of backfill zones and yielding pillars for subsidence control. The investigation begins by choosing an appropriate subsidence predictive technique to simulate the propo
Jan 1, 1986
-
Remote-Control Monitoring Cuts Maintenance Costs
By Michael W. Lewis
The latest downturn in the world’s metal prices has forced many mining companies to focus on cost reduction and productivity improvements to remain competitive. Maintenance represents a significant p
Jan 1, 2000
-
Climate Change For Mine Planners: Some Fundamentals
By R. D. Williams
In spite of the increasingly polarized and politicized view of climate science and climate change in the United States, many of the principles behind the ?theory? of Anthropogenic Global Warming (AGW)
Feb 27, 2013