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  • SME
    Mining And Enviromining Law For Industrial Minerals And Rocks

    With the advent of the environmental "green" movement of the 1960s, eventually leading to Earth Day 1970, Congress responded by passage of the National Environmental Policy Act (NEPA), 1970. NEPA gave

    Jan 1, 1994

  • SME
    Beacon Hill Station Dewatering Wells and Jet Grouting Program

    By Zephaniah Varley, Dominic Parmantier, Paul Schmall, Richard Martin, Red Robinson

    Sequential excavation of the Beacon Hill Station has been accomplished in highly complex and inter-layered sand, silt, and clay soils with multiple perched groundwater tables. Successful excavation ha

    Jan 1, 2007

  • SME
    Mine & Mill Maintenance - Corrosion Control in the Coal Industry

    By Jack A. McQuiston, Thomas A. Cross

    Corrosion of equipment and machinery in the coal industry is usually the result of three main agents: acids, chlorides, and abrasion. Acids and chlorides are especially troublesome in coal preparation

    Jan 2, 1980

  • SME
    Closure At The San Manuel Mine Site, Arizona, USA

    By T. Braun, J. Parker

    On June 25, 1999, BHP Billiton (BHPB) announced the suspension of operations at the BHP Copper Inc.(BHP) San Manuel copper mine in Pinal County, Arizona. Subsequent to this announcement, BHPB aggressi

    Jan 1, 2004

  • SME
    Copper Precipitation And Cyanide Recovery Pilot Testing For The Newmont Yanacocha Project

    By S. Acar, M. Botz

    Introduction In 2007, Newmont Mining Corporation will begin construction of a milling and cyanidation leaching circuit for the Yanacocha site in Peru. Ore to be processed in the circuit contains a r

    Jan 1, 2007

  • SME
    Maximizing Return On Capital Projects

    By J. Humphries

    With today?s turbulent markets and unprecedented global opportunities, the need to optimize net present value and internal rates of return from capital investments has never been greater. To help addr

    Jan 1, 2011

  • SME
    Cross-Borehole Geophysical Probing For Site Characterization

    By R. J. Lytle

    INTRODUCTION Prior to excavation in soil and rock, it is useful to know the subsurface structure. This is important information both for safety and for equipment scheduling reasons. It is useful to

    Jan 1, 1979

  • SME
    Transfer Function Model Of Phosphate Heap Leaching

    By M. Weatherspoon, S. Gebo, K. Prisbrey

    Our objective was to develop a transfer function model of phosphate heap leaching for design, optimization and control. The procedure included analysis of time-lapse photography of a laboratory heap.

    Jan 1, 2001

  • SME
    The Arizona Copper Province And The Texas Lineament

    By Jacques B. Wertz

    Recurring movements remotely connected with the Murray fracture zone and the San Andreas fault complex, together with the slow northwestward drift affecting the Baja California peninsula, could progre

    Jan 1, 1970

  • SME
    Site Development Over an Abandoned Coal Mine

    By Gennaro G. Marino

    During the preliminary design stages of the Illinois Division of Natural Resources(DNR) building, it was discovered that an old coal mine was present some 70 m (220 ft) beneath the building site. Th

    Jan 1, 2000

  • SME
    Operating a Commercial-Scale Bioleach Reactor at the Congress Gold Property

    By Ralph P. Hackl

    Ore at the Congress gold property, located near Goldbridge, British Columbia, is extremely refractory with most of the gold disseminated in fine-grained arsenopyrite. Metallurgical testwork conducted

    Jan 1, 1990

  • SME
    Evaluation Of Materials And Technologies Used In Mine Shafts Reclamation In Former Uranium Ore Mines In Eastern Germany - Development Of A Technical Guideline

    By F. Schreiter

    The Ore Mountains in Germany have a history of more than 850 years of underground mining activity. This has created a situation where thousands of old mine shafts and adits are due for rehabilitation.

    Feb 27, 2013

  • 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
    Truth, Judgement, Responsibility, Integrity, Conflict And Resolution In Exploration And Heavy Construction

    By Peter J. Tarkoy

    A great deal of attention has been directed toward the complexities and inadequacies of exploration and pre-bid geotechnical information for heavy construction projects, differing site conditions, and

    Jan 1, 1983

  • SME
    Geotechnical Exploration for a Lake Mead Intake

    By Richard F. Coon

    Six potential locations along the west shore of Lake Mead were evaluated to site anew water intake pumping station for the SNWA. The evaluations were based upon geotechnical exploration results and c

    Jan 1, 1997

  • SME
    Eskay Creek Mine and Mill – A Continuing Success

    By Garry Biles

    The Eskay Creek Mine is a high-grade gold and silver underground mine in northwestern British Columbia. The mine started operations in late1994. For the first three years, ore was crushed to -50 mm(-

    Jan 1, 2000

  • SME
    Roof Deformation Associated with Mining of Two Panels in Steeply Dipping Coal Seam Using Subsurface Subsidence Prediction Model Mining, Metallurgy and Exploration and Physical Simulation Experiment

    By Panshi Xie, Xicai Gao, Yi Luo, Youfu Zeng, Yongping Wu, Shenghu Luo

    This research investigates roof deformation and failure characteristics, as well as mechanical interaction between the panels of the roof strata above two adjacent working faces in a steeply inclined

  • SME
    Roof Deformation Associated with Mining of Two Panels in Steeply Dipping Coal Seam Using Subsurface Subsidence Prediction Model Mining, Metallurgy and Exploration and Physical Simulation Experiment (1cbe2caf-b863-422d-8af1-56b552bbfc8f)

    By Panshi Xie, Xicai Gao, Yi Luo, Youfu Zeng, Yongping Wu, Shenghu Luo

    This research investigates roof deformation and failure characteristics, as well as mechanical interaction between the panels of the roof strata above two adjacent working faces in a steeply inclined

  • SME
    Maintenance Program: A Void With Penalties Or A Path To Effectiveness

    By Paul D. Tomlingson

    There are huge benefits for mining operations that have a well-defined maintenance program that is understood and followed across the total operation. But for operations lacking a quality maintenance

    Jan 1, 2008

  • SME
    Shanxi Wanjiazhai Yellow River Diversion Project—Lots II & III

    By Edgardo Fogli, Mario Lampiano, Antonio Nicola

    The project is located in the northern region of the People’s Republic of China and was awarded to Impregilo, as sponsor of the Wan Long Joint Venture, in September1997. The project consists of fo

    Jan 1, 2001