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  • AUSIMM
    Structure and Sedimentation in the Western Coalfield of New South Wales

    The stratigraphy of the Western Coalfield is briefly reviewed and the important units of the Lithgow Coal Measures, particularly the coal seams, are defined. The possibility of coal measures of Tomago

    Jan 1, 1960

  • AUSIMM
    The Hellyer Mine - Feasibility to Production with Confidence

    For its Hellyer project, Aberfoyle sought to establish a high degree of confidence in all aspects of the feasibility study. Accurate capital and operating cost estimates were an integral and essenti

    Jan 1, 1990

  • SME
    Tunneling Toronto Canada 1970

    By G. F. Jenkins, P. S. Hobden

    Toronto as a geographical area provides an exceptionally wide variety of subsoil stratiphication. Tunneling consequently required a very wide range of adaptabilities to meet its changing conditions. T

    Jan 1, 1997

  • DFI
    Uplift Micropile Load Transfer In Unsaturated Missoula Flood Deposits

    By John N. Cunningham

    Despite the wide use of micropiles for rehabilitating and retrofitting existing structures, little is known regarding the load-transfer distribution of grouted micropiles in various soil deposits. Th

    Jan 1, 2011

  • SME
    Resource companies must preserve capital while gaining operational efficiency

    By Adam H. Zimmerman

    Introduction Noranda, like similar businesses, is suffering the pain of previously unheard of currency relationships, a cost structure built in better days, and conditions of gross oversupply possibl

    Jan 6, 1985

  • AIME
    Inclusions-Their Effect, Solubility and Control in Cast Steel

    By C. E. Sims

    THE following presentation is more a summation of observations made and conclusions drawn over a period of three to four years than a report of experiments made with a definite objective. Tests were m

    Jan 1, 1932

  • IMMS
    Seafloor Deployed Core Drill Successful In Deepsea Test

    By M. E. Williamson

    In September 2005 Williamson & Associates, Inc. delivered the BMS2 remotely operated seafloor coring system to the Japan Oil, Gas & Minerals National Corporation (JOGMEC). During acceptance trials ab

    Jan 1, 2005

  • AUSIMM
    Transformation of automated optical image analysis software Mineral4/Recognition4 to Mineral5/Recognition5

    By A Poliakov, E Donskoi, K Vining

    The automated optical image analysis software Mineral4/Recognition4 (M4/R4) is capable of performing comprehensive characterisation of different materials throughout the iron ore value chain, includin

    Nov 8, 2021

  • SME
    Exploration techniques for porphyry Cu?Au and related targets in a mountainous tropical environment: Case study of Freeport Exploration in Irian Jaya, Indonesia

    By D. Potter

    Freeport Exploration initiated regional reconnaissance exploration programs in Irian Jaya, the easternmost province of the Republic of Indonesia in 1990 (see figure 1). Irian Jaya occupies the western

    Jan 1, 1998

  • CIM
    Improving Fine Particle Gravity Recovery through Equipment Behavior Modification

    By Claude Deveau

    "Studies on the performance of Falcon batch type concentrators treating ultrafine tantalum at Tanco have revealed that very fine heavy minerals are concentrated within certain areas of the concentrate

    Jan 1, 2006

  • CIM
    Base Metal Heap and Tank Leaching from a Platreef Flotation Concentrate using Ammoniacal Solutions

    By Jochen Petersen, Caroline Muzawazi

    The technical feasibility of ammonia leaching of PGM bearing Platreef flotation concentrates was investigated as an alternative method for the recovery of base metals prior to precious metal recovery.

    Jan 1, 2014

  • CIM
    Use of Twinned Drillholes in Mineral Resource Estimation

    "Drilling twinned holes is a traditional technique used for verification of intersections of high-grade mineralization, testing of historic data, or confirmation of drillhole data during geological du

    Jan 1, 2009

  • NIOSH
    RI 3116 A Study of the Properties of Texas-New Mexico Polyhalite Pertaining to the Extraction of Potash

    By N. Fragen, H. H. Stroch

    "INTRODUCTION A previous paper by H. H. Storch 4 described. three processes for the production of potassium sulphate from polyhalite (K2S01.MgSO1.2CaS04.2H2o), Since these processes depended upon calc

    Sep 1, 1931

  • TMS
    Development of Bonded Sm-Fe-N Magnet using Reduction and Diffusion Method

    By K. Ohmori, K. Takeya, S. Yoshizawa, A. Kawamoto, T. Ishikawa

    "High performance Sm2Fe17N3 magnet powder is developed nitriding Sm2Fe17 alloy that 'is made using a reduction and diffusion method. Typical remanence, coercivity and maximum energy product of the fin

    Jan 1, 2000

  • AUSIMM
    Single-Particle Combustion of Chalcopyrite

    Chalcopyrite concentrate was combusted in oxygen-nitrogen atmospheres, the composition of which ranged from 1-100 per cent oxygen. Factors studied included particle size, experimental temperature and

    Jan 1, 1983

  • AUSIMM
    Gold Mineralisation on Sudest Island: Preliminary Findings

    By Ashley P, Neale T

    Alluvial gold was discovered on Sudest Island in 1888, and by 1893, an official production of 10 000 oz had been won by expatriate miners from shallow alluvial and colluvial workings. Hardrock sou

    Jan 1, 1991

  • AUSIMM
    The Factors That Control the Depth of Ore Deposits

    When asked to lecture at Bendigo on the geological factors that determine the depths of ore deposits, I hesitated for a little before agreeing to lecture on the theory of deep ores in the city world f

    Jan 1, 1902

  • DFI
    Industry Practice Standards And DFI Practice Guidelines For Structural Slurry Walls - First Edition - Title ? Table Of Contents - Part I Industry Practice Standards - 1. Classification Of Slurry Wall Panels

    There are many ways to classify structural slurry wall elements, but the DFI committee chooses to limit these descriptions to three functional requirements, namely: design function, plan configuration

    Jan 1, 2005

  • SME
    Mill Sizing For Phosphate Grinding In Mills Of 0.2 To 5 Meters In Diameter (d139b3f1-183b-4de8-a58f-300e7f63761f)

    By Reed S. C. Rogers

    The breakage parameters of phosphate ore were determined by batch first-order grinding studies in a laboratory ball mill according to the procedures described in the text by Austin, Klimpel and Luckie

    Jan 1, 1985

  • SAIMM
    Wind Erosion Of Tailings Dams And Mitigation Of The Dust Nuisance

    By G. E. Blight

    Wind erosion can be a major cause of the loss and dispersion of tailings material from a tailings dam into its surrounding environment. Such dust dispersion can be a serious nuisance, as well as a hea

    Jan 1, 2007