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  • AUSIMM
    Revegetation of the Nagambie Gold Project

    Revegetation at Perseverance Mining's Nagambie Gold Project is an excellent example of cost effective revegetation in the Central Victorian Goldfields. Work has centred on waste rock dumps, veget

    Jan 1, 1992

  • SME
    Small Scale Placer Mining

    By James L. Noble

    A small placer operation can be defined as one with a throughput capacity of 250 cubic yards an hour or less. The success of small placer operations after the values have been established, depend enti

    Jan 1, 1992

  • SME
    Mass Balances On A Spreadsheet

    By R. J. Roman

    The "mass balance" is unquestionably the most common class of problems for the process engineer'. Closely related, mathematically, is the "heat balance". Every laboratory test requires a mass bal

    Jan 1, 1992

  • TMS
    Interaction of Carbonaceous Materials with Liquid Iron-Carbon Alloys

    By Marcelo B. Mourao

    Interactions of carbonaceous materials with liquid Fe-C melts have been investigated experimentally by determining the volatile yield due to rapid devolatilization (Flash Pyrolysis) and rates of disso

    Jan 1, 1992

  • TMS
    Induction Galvanizing Innovations for the Strip Coating Industry

    By Gerald K. Vellente

    Producers of strip coated products are being approached by users to supply higher quality products and adhere to tighter specifications. Suppliers, in an attempt to assist the producers, must consider

    Jan 1, 1992

  • TMS
    Separation Factors Of Rare Earths For D2EHPA And Ionquest In Various Diluents

    By C. H. Quan

    Solvent extraction tests were carried out on a rare earth chloride solution derived from monazite processing to determine the effect of extractant and diluent on the distribution coefficients between

    Jan 1, 1992

  • NIOSH
    OFR-14-93 GIS Database For Colorado Springs, Colorado Abandoned Mine Land Study Area

    As part of remote sensing research on an abandoned mine lands (AML) site in the Colorado Springs, Colorado area, a geographic information system (GIS) database was generated. This GIS database contain

    Jan 1, 1992

  • SME
    Environmental Legislation, Economic Growth And Risk In Minerals Development: The Bolivian Case

    By William P. Blacutt

    This paper examines Bolivia's General Environmental Bill recently passed by Congress: a multi-purpose law with two primary objectives: a) the protection and conservation of the environment, and b

    Jan 1, 1992

  • SME
    Strategic Objectives For The Optimal Utilization Of Planning And Or Systems Within Ruhrkohle AG - Networking of systems ? Introduction

    By W. DR. Fritz

    Technical progress depends on strategic objectives and a concept showing how to benefit from the effects of novel techniques in an innovation process and how to implement them creatively in harmony wi

    Jan 1, 1992

  • TMS
    Finite Element Modeling of Mold Filling in Arbitrarily Shaped Molds

    By A. S. Usmani

    The flow associated with the pouring of molten metal into moulds has been modelled on the basis of certain simplifying assumptions. A finite element based Navier-Stokes equation solver has been used t

    Jan 1, 1992

  • SME
    Detector Responses to Both Fire and Non-Fire Contaminants

    By Charles D. Litton, Margaret R. Egan

    In order to reduce the number of nuisance fire alarms in underground mines that use diesel-powered equipment, the U.S. Bureau of Mines has developed a diesel-discriminating fire detector (DDD). It was

    Jan 1, 1992

  • SME
    Legal Aspects Of Site Assessment And Operational Audits

    By Gail L. Achterman

    Most mining companies today perform site assessments and operational or compliance audits regularly. The purpose of these audits is to review company facilities and operations to determine whether the

    Jan 1, 1992

  • ISEE
    History of the Development and Use of Bulk Loaded Explosives, from Black Powder to Emulsions (4e042d52-81d4-408b-9ff9-49bce6caf7ef)

    By Robert B. Hopler

    Emplacing explosives in the borehole by bulk methods is utilized today for about 35% of all of the explosives used in the United States. Although different from today's methods, some bulk emplacement

    Jan 1, 1992

  • NIOSH
    RI 9433 - Rock Mechanics Investigations at the Lucky Friday Mine (In Three Parts)

    By M. P. Board, J. K. Whyatt, T. J. Williams

    The U.S. Bureau of Mines has been conducting a series of rock mechanics investigations at the Lucky Friday Mime in the Coeur d'Alene Mining District of northern Idaho. In the present study, the e

    Jan 1, 1992

  • ISEE
    Prediction of Burden Velocity in Bench Blasting

    By Shih Wen Wang, Ronald R. Rollins

    A blast casting model is proposed to predict the burden velocity in bench blasting. This blast casting model is the first theoretical model that 1) explains the throwing procedures and mechanisms, 2)

    Jan 1, 1992

  • CIM
    Sedimentary Nickel, Zinc, and Platinum-group-element Mineralization in Devonian Black Shales at the Nick Property, Yukon, Canada: A New Deposit Type (5a14902e-8429-431a-b59c-0648d914fb37)

    By Dogan Paktunc, Larry J. Hulbert, Robert C. Carne, D. Conrad Gregoire

    A thin layer of stratiform Ni-Zn-PGE sulfide mineralization of sedimentary-diagenetic origin was deposited during the Middle to Upper Devonian in the euxinic "Nick basin". The mineralized unit (=3 cm

    Jan 1, 1992

  • AUSIMM
    Water, By-Products and the Environment

    A Good Product Range - So What! While in terms of water, waste management and environment protectrion, the Gippsland Basin may appear to have a good product range, what does this really mean? What i

    Jan 1, 1992

  • NIOSH
    OFR-22-92 Hydrogen In Reprocessed Metals And Alloys - Final Report For July 1, 1990 -June 30, 1991 - Background And Objective

    One of the major unknowns in the use of iron and copper is the quantity of various low level impurities, particularly hydrogen, that may be introduced during the deoxidizing process prior to casting.

    Jan 1, 1992

  • SME-ICGCM
    Weak Claystone Floors And Their Implications To Pillar Design And Settlement (e297de16-ba6b-46bd-8383-22a15beca7b5)

    By Ross W. Seedsman

    The in situ behaviour of claystone floors associated with the Wallarah, Great Northern and Fassifem Seams has been studied using a comprehensive suite of stress and displacement monitors. The instrume

    Jan 1, 1992

  • SME
    Damage Prediction During Multi-Seam Mining

    By C. Haycocks

    Damage prediction during multi-seam mining is an essential precursor to optimizing mine design. Ground control problems associated with interaction are influenced by both fixed geological and site con

    Jan 1, 1992