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  • SME
    Optimizing Conveyor Capacity and Reliability: The Pittsburgh & Midway Coal Mining Co.- North River Mine Experience

    By Roland Hoet, Jim Patilla, Nick Madison

    Increasing conveyor capacity and reliability is a common goal for many underground mines. This task is especially challenging when you must work with existing structure, belt, etc. Meeting this challe

    Jan 1, 2002

  • SME
    Flue Gas Treatment For So2 Removal With Air-Sparged Hydrocyclone Technology

    By R. Bokotko, J. D. Miller, J. Hupka

    Laboratory results from an initial study on the removal of SO2 from gas mixtures are reported using air-sparged hydrocyclone (ASH) technology. Tap water and alkaline solutions were used for absorption

    Jan 1, 2002

  • SME
    Geology And Geochemistry Of Stockwork Gold Mineralization At The Yarnell Mine, Yavapai County, Arizona (9f97aa0a-cfbb-41e8-bc34-a6d559d1020c)

    By T. C. Page

    The Yarnell gold depoSit, located in the Weaver mining district of Yavapai County, Arizona is found within a structurally controlled, hydrothermally altered zone that occurs within a 1700 Ma granodior

    Jan 1, 1992

  • SME
    The Introduction Of A Dynamic Component To The ISC3 Model In Predicting Dust Emissions From Surface Mining Operations

    By Christopher Haycocks, Randolph Reed, Erik C. Westman

    The industrial Source Complex (ISC3) model is the accepted standard used to predict emissions of particulate matter less tan 10µm in diameter (PM10) from industrial operations. This model, however, ov

    Jan 1, 2002

  • SME
    Pre-Excavation Grouting at the Hemphill site — Atlanta WSP Tunnel

    By Konner Horton, Adam L. Bedell, Don Del Nero, Brian Jones

    "The City of Atlanta’s Water Supply Program Tunnel project includes a 7,315-m (24,000-ft) long, 4-m (13-ft) diameter, hard rock tunnel. A complex aspect of the project involves connecting five, blind

    Jan 9, 2018

  • SME
    Phosphate Targeted for Growth in China

    By E. Sabina Brady

    Over the next two decades there will be significant trade and development opportunities in China for mining, engineering, equipment, and construction companies interested in becoming part of the devel

    Jan 9, 1983

  • SME
    Use of automated micro gas chromatograph to monitor mine atmospheres during mine emergencies

    By B. K. Blashich

    In responding to mine fires and explosions, accurate and timely analysis of the mine atmosphere is critical in making decisions regarding firefighting, mine rescue and mine recovery operations. For ma

    Jan 1, 2009

  • SME
    Integrating Machine Learning and Geostatistics for Grade Control Models

    By Ademar Lopes, Victor Silva, Heitor Silva, Gustavo Usero, Roberto Rolo, Lucas Pereira, Gabriel Moreira, João Lague, Arthur Endlein, Matheus Feitosa

    Grade control models are supposed to provide a higher resolution than long-term or interim models. However, available grids from diamond or reverse circulation drilling do not provide that required re

    Jun 25, 2023

  • SME
    Lesson Learned During the EPB TBM Launch Using Umbilical and Muck Pump - RETC2021

    By D. Nebbia, R. Aliberti, F. Solesin

    The launch of a Tunnel Boring Machine (TBM) is one of the most challenging activity parts of the construction of a tunnel. Challenges are coming from limited space available, learning curve, concurren

    Jun 13, 2021

  • SME
    Survival Strategy: Every Bit Counts ? Introduction

    By B. Caines

    Much of the mining industry in North America is in a crisis state. Host producers are operating at production levels well below capacity, some have been merged or sold, while others have been mothball

    Jan 1, 1987

  • SME
    Expert Systems For Competitiveness: A Tutorial

    By R. L. King

    An expert system is a computer system that performs tasks that are considered by most people to require human expertise. Since their functioning relies heavily on large bodies of knowledge, they are o

    Jan 1, 1989

  • SME
    A review on 3D cartographic and spatiotemporal GIS models for safety of accidents in deep underground coal mines

    By Pinar Eksert, Hakan Akcin

    Investigations show that injuries and fatalities in mining workplaces in developing countries are increasing. In Turkey, the number of workers killed in occupational accidents in the Zonguldak Hard Co

    Oct 1, 2024

  • SME
    Development of perched water tables in leach dumps: A case history

    By W. J. Schlitt

    Introduction Heap and dump leaching are low-cost metal production techniques that are gaining in popularity among gold and copper producers. However, the flow of solution in heaps and dumps has rec

    Jan 1, 1987

  • SME
    Geology Of The Red Dog Mine, Western Brooks Range, Alaska

    By J. E. Kulas

    Red Dog is a Mississippian to Permian aged sulfide deposit located in the western Brooks Range north of Kotzebue, Alaska. It belongs in the family of black Shale hosted sedimentary exhalite deposits b

    Jan 1, 1992

  • SME
    Developing Real Grade- Recovery Curves for Sorting

    By J. Raatikainen, I. Auranen

    "INTRODUCTION Sorting technology has advanced rapidly recently. Of the two possibilities particle sorting has advanced especially in introducing new sensors and the use of multiple sensors. The analyz

    Jan 1, 2018

  • SME
    Platinum Group Metals In The Stillwater Complex

    By Linda D. Raedeke

    The main platinum-group metal (PGM) deposit in the Stillwater Complex is associated with a stratiform zone formed by magma mixing. In general, the intrusion is a large, layered body of Archean age whi

    Jan 1, 2013

  • SME
    One Cast Adjustment Over The Mine Ventilation Measurements

    By Xingshen Wang, Xuefeng Liu

    This paper introduces the methods of adjustment over air pressure, air quantity and the method of comprehensive adjustment over air resistance during a mine ventilation survey. The method of selection

    Jan 1, 1989

  • SME
    Problems And Solutions In Surface Subsidence Monitoring Using A Total Station

    By Y. Luo

    Surface subsidence monitoring is the most effective means for investigating the nature of, and developing the techniques for predicting, the surface movement and deformation process. However, because

    Jan 1, 1992

  • SME
    Computer System For Copper Precipitation Process Boosts Plant Performance

    By S. J. Swan

    A computerized on-line process control system designed to monitor and control the seven-cone copper precipitation operations at Kennecott Copper Corporation's Chino Mines Division in New Mexico h

    Jan 1, 1975

  • SME
    Classification And Concentration Of Heavy Minerals In Grinding Circuits

    By A. L. Hinde

    The recovery of heavy minerals by gravity concentration during grinding is practised widely in the minerals industry. Studies have shown that the grade and recovery of the concentrate depends not only

    Jan 1, 1985