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  • AIME
    The Effect of Silver on the chlorination and Brornination of Gold

    By H. O. Hofman

    WHEN dry chlorine gas is made to act in the cold upon finely¬divided gold,' it converts the latter with evolution of heat into auro-auric chloride, Au2CI4, a hard, dark-red, hygroscopic salt. Moi

    Mar 1, 1905

  • CIM
    Silver in Canada in International Perspective

    By J. G. George

    A brief review of the silver industry is presented to set the stage for the analysis of the distribution of silver production by source from various types of mines in Canada and of the changing relati

    Jan 1, 1977

  • ISEE
    Improving Fragmentation During Ring-Hole Blasting in Coal in Blasting Gallery Panels

    By Sri Sawmliana, P. Pal Roy

    Blasting Gallery (BG) method was introduced in India for higher production and low cost of excavation to substitute conventional hand section and stowing methods for thick coal seam. The Singareni Col

    Jan 1, 2003

  • CIM
    New bearing application for pinion gear drives on mine hoists

    By R. A. McIvor, R. Levac

    "The Stobie No. 7 shaft, 14 ft diameter, double- drum skip hoist, was installed at the INCO Limited Frood Stobie Complex in 1942. Figure 1 shows the hoist layout. The hoist was originally equipped wit

    Jan 1, 2001

  • SME
    Mining At Aspen

    By Bruce Bryant

    Silver ore was discovered at Aspen in 1879, but the district did not reach full production until 1888 after lawsuits were settled and railroads furnished less expensive transportation to the outside w

    Jan 1, 1982

  • SME
    Coal Division - Elements In Coal And Potential Environmental Concerns Arising From These Elements

    The Environmental Session will consist of five papers dealing with various aspects of trace elements associated with coal. Analytical procedures to determine the amounts of trace elements will be disc

    Jan 1, 1979

  • CIM
    Chapter 10. Definitions

    By Karl J. C. Harries

    "10.1. INTRODUCTIONDefinitions are a necessary part of every agreement. Their purposes are to assist the reader in reading and understanding an agreement and to attempt to avert potential confusion an

    Jan 1, 2003

  • ABM
    Carvão Vegetal Como Aditivo Para Coqueificação: Estudo Da Reatividade Ao Co2

    By Bruno Deves Flores

    O presente trabalho tem como objetivo investigar a influência da adição de carvão vegetal e do seu tamanho de partícula na reatividade do coque. Para isso, um carvão vegetal de eucalipto foi adicionad

    Aug 1, 2018

  • SME
    Synthetic Zeolites: Properties And Applications ? Introduction

    By Donald W. Breck

    Zeolites were first recognized as a new group of minerals by Cronstedt with the discovery of stilbite in 1756. The word zeolite was coined from the two Greek words meaning "to boil" and "a stone" beca

    Jan 1, 1973

  • NIOSH
    Mineral Commodity Summaries 1996 - Significant Events, Trends, And Issues - The Mineral Sector Of The U.S. Economy

    The U.S. economy and, consequently, the demand for minerals grew at more moderate rates in 1995 compared with stronger performances the previous year. Demand for metals such as steel and copper was re

    Jan 1, 1996

  • SME
    Longwall Mining In America (f89fdb53-aac0-4b35-861d-c15df395bb25)

    By Joseph Kuti

    Longwall mining is the term used for the underground extraction of a wide and deep panel of coal. Such a panel may be blocked out by one or more entries on either side ("head" and "tail") of a longwal

    Jan 1, 1978

  • NIOSH
    IC 6807 Petroleum Refineries, Including Cracking Plants, In The United States January 1, 1934 ? Introductory Summary

    By G. R. Hopkins

    According to reports received by the Bureau of Mines, Department of the Interior, as of January 1, 1934, there were 591 completed refineries in the United States, an increase of 86 ever the total repo

    Jan 1, 1934

  • NIOSH
    Mineral Commodity Summaries 1995 - Significant Events, Trends, And Issues - The Mineral Sector Of The U.S. Economy

    A stronger U.S. economy stimulated the domestic mineral sector in 1994. Metals demand was spurred by robust U.S. motor vehicle sales, while demand for major industrial minerals rose in response to hig

    Jan 1, 1995

  • NIOSH
    RI 2669 Status of Research in Ore Dressing

    By Ernest A. Hersam

    "INTRODUCTION.Luring the year 1923 a complete survey was made of the condition of research in the reduction (milling) and concentration of ores and nonmetallic minerals - that is, up to the stage wher

    Mar 1, 1925

  • TMS
    Cyanide: Just The Facts

    By Courtney A. Young

    Cyanide is a fast-acting, highly toxic substance but, at the same time, is deemed essential for sustaining life as well 'as our standard of living. In this manuscript, the facts about cyanide are

    Jan 1, 1998

  • TMS
    Vitrification of Municipal Waste Combustor Residues: Physical and Chemical Properties of Electric Arc Furnace Feed and Products

    By William K. Connor, O&apos

    The U.S. Bureau of Mines (USBM), in cooperation with the American Society of Mechanical Engineers (ASME), conducted over 200 hours of melting tests to vitrify residues from five municipal waste combus

    Jan 1, 1991

  • IPMI
    The IPMI Journal 2020

    By IPMI Educational and Scientific Foundation

    It is with great pleasure that we announce the availability of this fourth issue of the IPMI Journal, a publication of the International Precious Metals Educational and Scientific Foundation. This dig

    Dec 1, 2020

  • CIM
    Future Raw Material Needs of The Canadian Steel Industry Some Problems and Opportunities

    By R. J. Goodman, P. Lafleur

    This paper presents a current interpretation and projections of recent statistics on raw materials availability based on familiarity with the Canadian steel industry and its development. Problems and

    Jan 1, 1976

  • NIOSH
    Coal-Mine Accidents In The United States 1939 - Introduction

    By W. W. Adams

    Coal mining in the United States established a good safety record in 1939. The death and injury rates per man-hour of exposure to risk were favorable compared with most previous years, and the number

    Jan 1, 1942

  • NIOSH
    RI 8948 - Analysis of Sampling Variance From Certain Platinum and Palladium Deposits in Alaska

    By James C. Barker

    The analytical variability encountered when sampling for platinum-group metals (PGM) was statistically evaluated during a 1983 study by the Bureau of Mines and the University of Alaska. Sampling proce

    Jan 1, 1985