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Human Health Effects Associated With The Commercial Use Of Grunerite Asbestos (Amosite): Paterson, NJ; Tyler, TX; Uxbridge, UK
By Joseph Ribak
Grunerite asbestos (amosite) has been shown in epidemiological and experimental animal studies to cause lung cancer, mesothelioma and pulmonary fibrosis commonly referred to as asbestosis. An overview
Jan 1, 2007
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Jabali / Yanbu – A New Source Of Zinc In The Middle East (fe9d2734-cc3c-4ef2-b8ec-54ed953ef19a)
By K. M. Stone, N. J. G. Masson, A. C. Woollett
The Jabali zinc deposit, in Yemen, contains at least 9.4 Mt at a grade of 10.7% zinc, 2.2% lead and 77g/t silver. The zinc occurs as smithsonite with minor hydrozincite. The Jabali ore does not produc
Jan 1, 2002
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Image Issues Could Hurt Canadian Oil Sands Plans
While the United States and the rest of the world struggles with record-setting oil prices Canadian oil sands producers are ramping up production to meet demand for oil while also fighting against a h
Jan 1, 2008
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Leica Dozer 2000 At The San Miguel Lignite Mine: The Uses Of GPS Grade Control In Surface Mining
By M. Heger
February 2, 1999 marks a milestone in earth-moving technology at the San Miguel Lignite Mine. It was on that date that The North American Coal Corporation (NAC) took delivery of three Leica Dozer 200
Jan 1, 2002
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Equipment adds efficiency, safety to cross passage work
From a vast army of workers to gargantuan machines to immense volumes of material being moved, almost everything about the Port of Miami Tunnel (POMT) project points to tunneling on a massive scale. A
Sep 1, 2013
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Simulation Of Spontaneous Heating In Longwall Gob Area With A Bleederless Ventilation System
By A. C. Smith
Although only used in a few U.S. longwall mines, bleeder-less ventilation systems can be an effective spontaneous combustion control method in mines having a demonstrated history of spontaneous combus
Jan 1, 2008
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Recent Developments in the TBM Industry—New and Innovative Technologies
By Martin Herrenknecht, Karin Bäppler
The last five years have seen a remarkable increase in tunnelling projects in both soft ground and hard rock applications. Part of the increase is a result of recent Research & Development efforts to
Jan 1, 2005
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Construction Aggregate Properties of the Sombrerito Formation, Dominican Republic
By S. J. Stokowski
Abstract An extensive drilling and laboratory testing program indicates that a construction aggregate resource is present within the Oligocene Sombrerito Formation limestone, southwestern Dominican Re
Jan 1, 1991
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Application Of Ultrasonics To Enhance Wet-Drum Magnetic Separator Performance
By L. Franko, S. Klima
Wet-drum magnetic separators are used extensively for upgrading iron ore and for magnetite recovery in dense-medium circuits. In this study the performance of a continuous, laboratory wet-drum magnet
Jan 1, 2001
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High Speed Communications In Harsh Environments
Extending an organization?s knowledge base throughout the entire enterprise can improve operations. Until recently, though, field operations were often left out of the information loop, as extending
Jan 1, 2009
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Evaluation of the Compression Potential of Serpentine Rock Massesof the Bou Azzer Mining District in the Central Anti‑Atlas of Morocco - Mining, Metallurgy & Exploration (2022)
By MOHAMMED AMINE BELMI, ANAS DRIOUCH, ABDELAZIZ LAHMILI, LATIFA OUADIF
For many years, underground workings in the Bou Azzer mine have been challenged by geotechnical problems related to the serpentinite instability. The stage of evaluation of the compression potential i
Nov 27, 2021
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Vocational and Technical Education in Geoscience With Emphasis on Geochemical Exploration Skills
By James A. Madonna
Several universities and colleges in Australia, Canada and the United States, recognized the need to establish or reorganize geoscience programs at the vocational and two-year technical levels. To acc
Jan 1, 1994
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National Mining Hall Of Fame To Honor Four (c2bf092c-db9b-40a9-aef1-4f24d0616a10)
Ceremonies for the induction of four mining industry pioneers into the National Mining Hall of Fame will be held Saturday, Sept. 13, 2008 at the Charles F. Barber Pavilion of the Museum Convention Cen
Jan 1, 2008
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Techniques for Assessing and Mitigating Longwall Subsidence Effects on Highway Bridges Mining, Metallurgy and Exploration (81ecdff2-8ca5-451f-abf7-490db849ce9c)
By Yi Luo, Jian Yang, Hua Jiang
Surface subsidence events induced by underground longwall coal mining operations can cause various disturbances to surface structures ranging from integrity and stability to functionality problems. Hi
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Benefits Analysis Of Expert Control Systems
By A. Broussaud, J. D. McKay
Benefits analysis of adaptive Expert control systems operating at plants in Africa and the United States are presented. Proper statistical tools and techniques are discussed. Technical and practical
Jan 1, 2001
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Engineering And Construction Of The Goldstrike Roaster Facility
By B. Burke, R. Colquhoun, K. Thomas, R. Walton, D. Fentie
The new Roasting Facility at Barrick’s Goldstrike Mine in Nevada, U.S.A. was developed to process 12,000 tons per day of refractory gold ore. The process consists of crushing, dry grinding, roasting,
Jan 1, 2001
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The Origins Of Public Concern With Taconite And Human Health: Reserve Mining And The Asbestos Case
By Michael E. Berndt
Asbestos first became an issue to Minnesota?s iron industry when it was revealed that mineral fibers similar to those in Reserve Mining?s tailings were being found in drinking water for several commun
Jan 1, 2007
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Innovative features of the Bridger Coal Company supply air fans and system
By G. S. Takenaka
When Bridger Coal Company transformed their operations from surface mining to an underground longwall operation their plans included not only the addition of new mining equipment but also surface fans
Jan 1, 2009
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Residual diesel range organics in process waters from laboratory fine coal flotation tests (cf0c922c-3ef1-4110-a5ac-c4a4d4e8705b)
By J. Morris, R. Sellaro
Petro-diesel is a common collector for coal flotation, but the partitioning of diesel range organics (DROs) in process streams has not been widely studied. Preliminary research suggested that under no
Jan 1, 2014
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Boddington Gold Mine Moves Closer To Production
Construction of the Boddington Mine 130 km (81 miles) southeast of Perth, is about 89 percent complete. When the $2.9-billion development is finished, it will be the largest gold mine in Australia, pr
Jan 1, 2009