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Influence of a Coal Mine Subsidence on An Adjacent Dam
By Nengxiong Xu
The WTZ coal mine is located adjacent to an auxiliary dam in P. R. China. The mining-induced ground movements are calculated using a 3-D numerical procedure based on the finite difference method (FDM)
Jan 1, 2013
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Chemical Enrichment of Precious Metals in Iron Sulfides Using Microwave Energy
By Bowen Li, Matthew D. Andriese, Jiann-Yang Hwang, Zhiwei Peng
"Magnetic iron sulfide ore particles heat rapidly by microwave (MW) irradiation generating plasma during oxidation of surfaces. The high temperatures produced by the exothermic event decompose local p
Jan 1, 2013
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Barrier Pillar Design for Safe and Productive Longwall Mining
By Stephen C. Tadolini
Effective barrier pillar design is an essential component for safe and productive underground coal mining. Barrier pillar design methodologies that incorporate sound engineering judgment have been use
Jan 1, 2013
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Organic Petrology Applied To Study Of Thermal History And Organic Geochemistry Of Igneous Contact Zones And Ore Deposits In Sedimentary Rocks
By Neely H. Bostick
The primary and secondary organic matter in sedimentary rocks changes markedly when it becomes heated as a consequence of thick sediment accumulation and normal geothermal gradients, high geothermal g
Jan 1, 2013
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Wet Mining Offers Huge Potential; Interest In Near And Offshore Mining On The Rise
Unlike traditional mining on land or ?dry? mining, relatively little is known of ?wet? or offshore mining within the industry. However, dredge mining has several benefits over dry mining, including hi
Jan 1, 2013
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Validation of Entry Stability Factors Determined By the Strength Reduction Method Against Empirical Approaches
By Gabriel S. Esterhuizen
The design of support for underground excavations is a complex process in which the interaction between supports and the rock mass must be evaluated. The strength reduction method (SRM) is useful beca
Jan 1, 2013
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Ontario Remains Mining Hotbed; Favorable Legislation And Ring Of Fire Offer Promising Future
Mining is big business in Ontario. The province is Canada?s leading mining region. It consistently ranks among the top 10 jurisdictions worldwide for exploration spending, reaching about C$1 billion
Jan 1, 2013
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Rosemont Copper Eyes Final Permits; Major Mining Project Nears Final Stage Of Process
By William Gleason
With more than 20 major mines extracting copper, gold, coal, molybdenum and lime, Arizona is recognized as one of the better mining jurisdictions, not just in the United States, but in the world. Ho
Jan 1, 2013
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Time Domain Reflectometry Measurements of Oil Sands Tailings Water Content: A Study of Influencing Parameters
By A. R. Sorta, D. C. Sego
ABSTRACT Temperature, solute, texture, and thixotropic effects on time domain reflectometry (TDR) measurements of water content in oil sands tailings are investigated. Results indicate that TDR water
Jan 1, 2013
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Three?Dimensional Ground Stability Study Around a Mine Tunnel in a Highly Discontinuous Rock Mass under Significant in Situ Stress
By Pinnaduwa H. S. W. Kulatilake
To exploit an underground mine effectively and safely, it is important to have a good understanding of the geotechnical behavior of the rockmass surrounding the underground mine excavation. The aim of
Jan 1, 2013
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Methodology for Quantifying Uncertainty Versus Data Spacing Applied to the Oil Sands
ABSTRACT The inevitable uncertainty in modelling spatial variables decreases as more data become available. This reduction depends on the properties of the variable being modelled. Spatially continuou
Jan 1, 2013
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Journal: Blastserve, Look for the New Online Blasters Forum!
Blastserve, ISEE’s Listserve is being replaced by our new Blasters Forum-online, an exclusive member benefit. Our goal is to provide an ISEE forum for you to network with your peers and exchange techn
Jan 1, 2013
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Maximising Concentrate Revenues at the Xstrata Copper Kidd Concentrator
By G. R. Morin, A. R. Leggett
"In 2010, closure of the Kidd metallurgical plants along with structural changes to the historical ratios of payable metals led to a review of the operating targets at the Kidd concentrator. Previous
Jan 1, 2013
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Instrumentation of a Roof Bolter Machine for Void Detection and Rock Characterization
By Soheil Bahrampour
Void detection and identification of bed separation while drilling holes in rocks for roof bolting can be a great source of information for the evaluation of ground conditions and adjustment of ground
Jan 1, 2013
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Development of CAN Manipulator
By Brian E. Perrine
Underground mining requires a variety of specialized equipment. With ever-changing mining conditions and methods, some mines have had to resort to purchasing existing industrial equipment and adapting
Jan 1, 2013
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Assessing Explosives Competence in the Workplace
By Denise Clarke
Homeland Security Qualifications (HSQ) personnel were instrumental in developing the UK’s suite of Explosive Substances and Articles (ESA) National Occupational Standards (NOS) (also known as "compete
Jan 1, 2013
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Construction Starts On The New Semmering Base Tunnel
In April 2012, work started on one of the most ambitious construction projects of Austria?s ÖBB-Infrastruktur AG ? the New Semmering Base Tunnel. Scheduled for completion in 2024, the 27.3 km (17 mile
Jan 1, 2013
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Comparison of Uranium Solvent Extraction Strip Options
By Deon van Tonder, Chuck Edwards
"Solvent extraction is used in many acid leach uranium circuits to upgrade and purify the uranium bearing solution prior to final product precipitation. A number of strip options are available to reco
Jan 1, 2013
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Geology And Geochemistry Of The Leadville District, Colorado
By T. B. Thompson
The Leadville District has been a prominent metal producer since its discovery in 1860. Veins and replacement bodies both have contributed to district production. The latter have been the major metal
Jan 1, 2013
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Mansueto Library: Drama below Ground and Above
By Patrick J. Lydon, Gregory A. Terri
"The recently opened Mansueto Library at the University of Chicago campus was a 2012 OPA runner-up. The dramatic elliptical shaped dome of this structure tells only part of this structure’s story. The
Jan 1, 2013