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  • SME
    Impact of Aging on Performance of Impactor and Sharp-Cut Cyclone Size Selectors for DPM Sampling

    By S. Gaillard, E. Cauda

    "Diesel particulate matter (DPM) is an occupational health hazard in underground mines. It generally occurs in the submicron range, and is often present in the mine atmosphere with significant concent

    Jan 1, 2018

  • SME
    The Construction of Two Small-Scale Caving Mines at La Encantada Mine, Mexico

    By B. Boutilier, R. Mendoza

    "First Majestic Silver Corp. (FMS) is a silver mining company founded in 2002 that operates exclusively in Mexico. It has six producing silver mines, one of which is the La Encantada silver mine (La E

    Sep 1, 2019

  • SME
    Discussion - Strategic Minerals Geophysical Research : The Chromite Example

    By J. C. Wynn

    J.R. Hillebrand From the abstract, "A realistic ore deposition model to serve as a conceptual framework." Further, on page 246, "The first area of study was the Josephine peridotite, now identified

    Jan 12, 1983

  • SME
    New Approach To Developing The Optimal Mineral Processing Flowsheet

    By Glenn E. Hoffman

    Relax: the world today is not running short of many mineral commodities, even though prices are spiraling upward. Einstein?s observation still holds true that everything is still relative, as long as

    Jan 1, 2012

  • SME
    Productivity And Equipment Selection In Surface Mining Of Oil Sands

    By R. K. Singhal

    A variety of mining equipment is used in the mining of oil sands by surface mining. This includes bucket wheel excavators, draglines, hydraulic shovels and off-highway trucks. This paper examines the

    Jan 1, 1985

  • SME
    Lignite Mining

    By A. S. Kane

    According to the 1966 Bureau of Mines Mineral Year Book only three states reported production of lignite in that year. These state: were North Dakota, Montana, and South Dakota; although it is known t

    Jan 1, 1968

  • SME
    New Tricks For An Old Elephant: Revising Concepts Of Coeur D'Alene Geology (03a4e59b-1c67-417e-b15b-710e19186461)

    By B. G. White

    Traditional interpretations of vein ore deposits in the Coeur d' Alene Mining District, such as the view that these deposits formed in a transcurrent tectonic regime during the Precambrian, are b

    Jan 1, 1998

  • SME
    Introduction To A Symposium On Geohydrology Of The Indus River, West Pakistan ? Introduction

    By A. K. Snelgrove

    At a time when water resource planning is proceeding on a continental scale, such as the proposed $100 billion North American Water and Power Alliance, which would redistribute water among three natio

    Jan 1, 1967

  • SME
    A Mathematical Model For The In-Situ Leaching Of Primary Copper Ore ? Introduction

    By H. W. Gao

    During the last decade, the feasibility of applying the in situ leaching technology to the recovery of copper from deeply buried deposits containing chalcopyrite has received much attention.(1-4) The

    Jan 1, 1981

  • SME
    Development And Use Of The Derrick Multifeed Screen In Fine Coal Cleaning Circuits ? Introduction

    By James W. Derrick

    General widespread interest in fine coal cleaning circuits did not occur in the United States until the mid 1960's. Up until this period the relatively low price for which bituminous coal was sol

    Jan 1, 1983

  • SME
    Analysis of Fall-Related Imminent Danger Orders in the Metal/Nonmetal Mining Sector Mining, Metallurgy and Exploration

    By Mahiyar Nasarwanji, Jonathan K. Hrica, Jonisha P. Pollard, Lydia M. Kocher, Brianna M. Eiter

    Within the metal/nonmetal mining sector, fall-related incidents account for a large proportion of fatal and non-fatal injuries. However, the events and contributing factors leading up to these inciden

  • SME
    A Computerized Subsidence Model

    By Bruce C. Trent

    In order to effectively model subsidence caused by underground openings, a two-dimensional computer code has been developed which couples near- and far-field response. The near-field is simulated by a

    Jan 1, 1979

  • SME
    Abrasive Grade Calcined Bauxite: A User's Perspective

    By J. K. Shurie

    Calcined high quality bauxite is a staple raw material of the abrasive industry world-wide. The author discusses the factors which affect the economic value of calcined abrasive grade bauxite, and pro

    Jan 1, 1990

  • SME
    Bulk Material Handling At Inspiration Copper Smelter ? Introduction

    By Solomon J. Salat

    During the major expansion of the Inspiration smelter, which took place in 1973, the bulk material handling system underwent a matching expansion in order to move the required materials. Inspiratio

    Jan 1, 1979

  • SME
    The Carajas Project ? Location And history

    By Francisco A. Fonseca

    The Carajás Hills are in Brazil's Eastern Amazon, between the Araguaia and Xingu rivers, and parallels 5° and 7° Latitude South. A location map is given in Fig. 1. It is an area of low mountains

    Jan 1, 1982

  • SME
    Experimental Considerations In The Application Of Infrared Spectroscopy To The Study Of Liquids At High Temperatures

    By J. K. Wilmshurst

    Absorption, emission and reflection techniques for the study of [molten] inorganic materials at high temperatures have been critically examined. In general, the reflection technique is the most satisf

    Jan 1, 1963

  • SME
    The Processing Of Perlite For Use In Insulation Applications

    By F. L. Jackson

    When using perlite as an insulation, it is important to determine the requirements for different applications as this influences the processing of the perlite. In cryogenic applications, perlite prope

    Jan 1, 1983

  • SME
    Sustainable Mine Water Management at Remediated Uranium Mining Sites of the Former Wismut Mining Operations

    By M. Paul

    "INTRODUCTION In 1990, the uranium production of SDAG Wismut in East Germany was stopped. 45 years of inconsiderate destructive exploitation had scarred both landscape and nature. With the “Wismut law

    Jan 1, 2016

  • SME
    Continuous Pilot Scale Testing Of Column Flotation For Recovery Of Fine Coal (Preprint 90-153)

    By J. G. Groppo

    A series of performance studies have been conducted using counter-current column flotation to recover a marketable clean coal product from existing preparation plant fine waste streams. The test work

    Jan 1, 1990

  • SME
    Wireless Optical Displacement Sensor for Convergence and Divergence Monitoring - RETC2023

    By Raphael Victor

    The construction and modification of tunnels brings a requirement for precise measurement of convergence and divergence to safeguard the structure, maintain safety and provide the assurance needed to

    Jun 13, 2023