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  • SME
    Effect of Operating Parameters on the Breakage Process of Calcite in a Stirred Media Mill Mining, Metallurgy and Exploration

    By Diler Katircioglu-Bayel, Oner Yusuf Toraman, Safak Gokhan Ozkan

    One of the most energy-intensive processes for producing submicron range calcite is stirred media mill. In the present work, numerous operating parameters such as solid mass fraction, grinding media s

  • SME
    Geologists Add Value at Newmont’s Nevada Mines – Part Two

    By Wayne Trudel, Eric Saderhold, Lloyd McEvers, Lori Clarke, Charles Lynn Bolin, Leroy Schutz

    Editor’s note: This is the second part of a two-part series on how mine geologists added about 141t (4.53 million oz) at Newmont Mining’s gold operations in Nevada during 2003. Part one (ME, July2004

    Jan 1, 2004

  • SME
    Results Of The U.S. Bureau Of Mines Investigation Of The Mineral Resources Of The Silver Peak Range North Wilderness Study Area, Esmeralda County, Nevada

    By T. J. Close

    On September 10, 1991, Secretary of the Department of Interior Manuel Lujan deleted the Silver Peak Range North Wilderness Study Area from the list of U.S. Bureau of Land Management lands in Nevada to

    Jan 1, 1993

  • SME
    Increasing Kaltim Prima Coal Overland Conveyor Speed To 8.5 MPS

    By Poltak Sinaga

    PT Kaltim Prima Coal?s 13.1 km overland conveyor (OLC) was commissioned in 1991. It is of conventional 3 roller 350 trough belt type. Cost and performance optimization during initial design ended up w

    Jan 1, 2008

  • SME
    Targeting and Prioritizing Safety Interventions in West Virginia – Preprint 97-51

    By J. M. Dean, R. L. Grayson, R. C. Althouse, M. J. Klishis, G. L. Winn

    Using powerful database management software, nested-field analysis and microanalysis of narratives have been made of West Virginia accident data, resulting in a new approach for targeting and prioriti

    Feb 24, 1997

  • SME
    Underground Mine Air and Strata Temperature Change Due to the Use of Refuge Alternatives

    By M. A. Reyes, L. Yan

    Heat and humidity buildup within refuge alternatives (RAs) may expose occupants to physiological hazards such as heat stress. The Mine Safety and Health Administration (MSHA) regulations require RAs i

    Nov 22, 2019

  • SME
    Session 5: Assessment Of Health Risk Associated With Exposure To Nonasbestiform Amphiboles Including Ingestion Studies: Rapporteus?s Report

    Paper 1: Risk of gastrointestinal cancers from inhalation and ingestion of asbestos, John F. Gamble Selikoff suggested the hypothesis that asbestos exposure is causally associated with increased

    Jan 1, 2007

  • SME
    Overview Of The Mineralogy Of The Biwabik Iron Formation, Mesabi Iron Range, Northern Minnesota

    By Peter L. McSwiggen

    The mineralogy of the Biwabik Iron Formation changes dramatically from west to east as the formation nears the basal contact of the Duluth Complex. This reflects a contact metamorphism that took place

    Jan 1, 2007

  • SME
    Overview Of The Mineralogy Of The Biwabik Iron Formation, Mesabi Iron Range, Northern Minnesota (920373f1-b6c7-4867-b2db-6fdc7d83ab71)

    By Peter L. McSwiggen

    The mineralogy of the Biwabik Iron Formation changes dramatically from west to east as the formation nears the basal contact of the Duluth Complex. This reflects a contact metamorphism that took place

    Jan 1, 2007

  • SME
    Soft Rock Tunneling: Equipment Selection Concepts And Performance Case Histories

    By Priscilla P. Nelson

    Many concepts concerning equipment selection, performance prediction, and evaluation of support requirements for tunnel construction in soil or hard rock tunnels cannot be extrapolated directly for ap

    Jan 1, 1987

  • SME
    Mining Foundation of the Southwest Honors 2003 Inductees

    The 21st Annual American Mining Hall of Fame Awards Banquet sponsored by the Mining Foundation of the Southwest will be held at the Sheraton Tucson Hotel in Tucson, AZ on Saturday, Dec. 6, 2003. Th

    Jan 1, 2003

  • SME
    Thermoanalytical Study On The Oxidation Of Sulfide Minerals At High Temperatures

    By S. E. Pérez-Fontes

    An experimental study on the oxidation of chalcopyrite (CuFeS2), pyrite (FeS2), covellite (CuS) and chalcocite (Cu2S) particles was conducted by means of differential scanning calorimetry (DSC) and th

    Jan 1, 2007

  • SME
    Exploration: Both a Boom and Bust Year - 1980 Annual Review

    By Paul Russell, M. M. Kimberley, Erick F. Welland, Louis Cope, C. C. Mosher, William M. Shepard, William C. Larson, Graham Closs

    Exploration activities in 1980 felt the effects of unstable economic conditions and oscillating metal prices. In the cyclical, boom-or-bust precious metals and uranium markets, precious metals activit

    Jan 5, 1981

  • SME
    Manhattan Mine: Linking Reclamation and Sustainable Development

    By Mark Ioli, Debra Struhsacker

    In September 2004, Gale Norton, U.S. Secretary of the Interior, presented the Manhattan Mine with a U.S. Bureau of Land Management’s 2004 Hardrock Mineral Environmental Award. The Manhattan Mine is a

    Jan 1, 2005

  • SME
    Petromineralogical Studies of Late Paleocene–Middle Eocene Phosphate Nodules in the Subathu Basin of Solan District, Himachal Pradesh Mining, Metallurgy and Exploration

    By Shamim A. Dar, & Samsuddin Khan, & K. F. Khan, Mohd Shuaib

    The Late Paleocene–Middle Eocene phosphate nodules of Solan District of Himachal Pradesh belong to green facies of Subathu Formation of Sirmur group. Field observations indicate sporadic distribution

  • SME
    Petromineralogical Studies of Late Paleocene–Middle Eocene Phosphate Nodules in the Subathu Basin of Solan District, Himachal Pradesh Mining, Metallurgy and Exploration (16f70676-2537-4d77-9881-921b560cf936)

    By Shamim A. Dar, Mohd Shuaib, K. F. Khan, Samsuddin Khan

    The Late Paleocene–Middle Eocene phosphate nodules of Solan District of Himachal Pradesh belong to green facies of Subathu Formation of Sirmur group. Field observations indicate sporadic distribution

  • SME
    Heavy- Mineral Deposits Of The Fox Hills Formation Located Near Limon, Colorado

    By F. L. Pirkle

    A heavy-mineral deposit about 1.6 kilometers (I mile) in length and averaging about three meters (10 feet) in thickness is exposed approximately130 kilometers (80 miles) east of Denver, along Intersta

    Jan 1, 2011

  • SME
    Water Resources Development In The Arid Andean Antiplano Southern Bolivia

    By S. A. Osterberg, J. L. Breckenridge, R. S. Popielak

    Multidisciplinary investigations were completed to prove the availability of water resources for the proposed San Cristóbal silver-lead-zinc mine in the arid Altiplano of Bolivia. Surface water resour

    Jan 1, 2002

  • SME
    Economic Decision-Making For Methane Drainage Systems For Underground Coal Mines – Preprint 97-157

    By J. M. Mutmansky, A. Wang

    This paper defines the elements of a basic economic model for decision-making when considering a methane drainage system for an underground coal mine. A drainage system will require significant capita

    Feb 24, 1997

  • SME
    Continuously Operating Multiple Ventilation- And Fire Gases Monitoring Systems At Multilevel-Multiseam Collieries On The European Continent

    Multilevel-multiseam hardcoal mines on the European continent usually consist of a huge network of underground openings, sometimes more than 200 km long in total, with some longwalls operating down to

    Jan 1, 2012