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Drill & Blast Implementation Case Study at Multiple Freeport-Mcmoran Sites
By L. Gutierrez, S. Gering, C. Calderon-Arteaga
"Drill and blast represent the most important, and sometimes the costliest processes in the mine. The cost of drilling and blasting operations greatly contributes to the “high cost trends of the overa
Jan 5, 2017
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SIU-Sim: A Novel Coal Preparation Plant Simulator
Coal preparation plant simulators are used to study flowsheet alternatives and determine product quality and quantity that can be produced under various operating conditions for individual circuits. S
Jan 1, 2008
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Performance Characteristics Of Geogrid When Used For Roof And Rib Surface Control
By D. R. Dolinar
Geogrids can be used as surface control on both the roof and rib in underground mines to prevent the fall of small pieces of rock and material from between the primary supports. The use of screen mate
Feb 27, 2013
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Bio-Indicator Evaluation of Water Quality Impacts from Inactive and Abandoned Mines in the Bear Butte Creek Basin of the Black Hills
By A. D. Davis, J. L. Sorensen, C. J. Webb
Environmental impacts from acidic mine drainage are growing national concerns that are particularly acute in the headwaters of the Rocky Mountain region. In the Black Hills of South Dakota, approximat
Jan 1, 1999
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Rare Earth Elements (REE) Deposits In New Mexico
By V. T. McLemore
Deposits of rare earth elements (REE) are found in NM, but they have not been important exploration targets in past years because demand has been met elsewhere. However, with the projected increase in
Jan 1, 2012
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CART?: A Fundamental Tool For Process Circuit Design
By A. Noble
The design of separation circuits can be a complex, labor-intensive and costly process. While the engineer?s experience along with extensive data sets and simulation are crucial tools for determining
Feb 27, 2013
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Application Of Modern Technology In Today’s Limestone Quarry Operation
By B. Moore, Y. J. Zhang
In today’s competitive dimensional stone business environment, use of available technology is critical to achieve and maintain a competitive advantage. Awareness of improvements in diamond cutting tec
Jan 1, 2004
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Inner City Slurry Tunneling—Project Asdam, Antwerp, Belgium
By Klaus Rieker
North of Antwerp central train station, two single-track tunnels for the high-speed train line between Brussels and Amsterdam were constructed. At the same time, the central train station was modified
Jan 1, 2007
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Design And Construction Of The Lenihan DAM Outlet Tunnel And Shaft
By Hemang Desai
A damaged outlet pipe beneath Lenihan Dam has restricted reservoir discharges, severely constraining the owner?s groundwater recharge program. The solution, a new outlet pipeline through the dam?s rig
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Managing Safety In The Mining Industry
By F. Nelson
RJB Mining is the largest coal producer in the UK. In January 1995 the Company acquired the Central North and Central South Regions of British Coal consisting of: ? 15 operating collieries -includin
Jan 1, 1998
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American College Tunnels in Athens, Greece—Design and Construction of Very Large Diameter Tunnels in Rock
By S. Schina
Part of the Imittos Western Peripheral Motorway in Athens is the twin road tunnel in the vicinity of American College, with 20m excavation diameter. In the paper, the environmental and other requireme
Jan 1, 2001
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Design, Excavation, Support Of A Large Diameter Coal Mine Access Decline Using A Tunnel Boring Machine
By Steve Polegato, J. Coady Marsh, Gary Landry
The Donkin-Morien Mine in Cape Breton, Nova Scotia, has successfully completed the excavation of a 7.6m (25-ft) diameter access decline over a distance of 3.5km out under the Atlantic Ocean. The tunne
Jan 1, 1985
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Collaborative Strategic Research Initiatives: Their Benefits and Best Practice Approaches for Establishing the Same
By Daniel Brutto
"Environmental considerations are a key driver within marine mining consenting processes across different national and international legislative regimes and are critical in shaping the global public p
Sep 1, 2014
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WROC ? An Improved Waste Rock Oxidation Code
By S. Sunkavalli
Acid rock drainage (ARD) is produced when sulfides are exposed to oxygen and water. Oxidation reactions typically result in a depression of pH and leaching of solutes and metals. Many oxidation models
Feb 27, 2013
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Modeling For Real-Time Performance Measurement: A Strategic Approach
By Russell Barr, Robert E. Cook
As most mining companies are taking advantage of the high market prices for base metals such as steel, copper and zinc, numerous challenges still face them. While demand is strong from countries like
Jan 1, 2007
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Application Of Background Oriented Schlieren (BOS) For The Qualitative Analysis Of Flow Through A Regulator
The schlieren technique describes an optical analysis method designed to enhance light distortions caused by air movement. The ability to visualize air flow has significant implications for analyzing
Jan 1, 2011
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Finite Element Assessment Of The Influence Of Caving On Barrier Pillar Loads In Deep Coal Mines - Introduction - Preprint 09-065
By W. G. Pariseau
Conventional barrier pillars in underground coal mines are intended to protect mains and sub-main entries for relatively long periods of time. Inter-panel barrier pillars that may be used in especia
Jan 1, 2009
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Analysis of Fall-Related Imminent Danger Orders in the Metal/Nonmetal Mining Sector Mining, Metallurgy and Exploration
By Mahiyar Nasarwanji, Jonathan K. Hrica, Jonisha P. Pollard, Lydia M. Kocher, Brianna M. Eiter
Within the metal/nonmetal mining sector, fall-related incidents account for a large proportion of fatal and non-fatal injuries. However, the events and contributing factors leading up to these inciden
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Introduction (f248dc61-7d23-42d4-878e-d425d635fc78)
By Christopher J. Bise
PRINCIPLES OF MINE PLANNING During the initial planning stages, all mining operations are analyzed and evaluated in a similar fashion. This similarity holds true because the mine-planning procedure ca
Jan 1, 1986
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A Speacil Report China's Emerging Mining Industry - A Long March Towards Modernization
By K. P. Wang, Ta M. Li
The Chinese energy and mineral industries are readying themselves for a period of dynamic transition, unprecedented in the country's long and sometimes turbulent history. The transition comes as
Jan 3, 1980