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  • SME
    "A Fossil Fuel Choice--To Manufacture Gas Or Generate Electricity" ? Introduction

    By James K. A. Harral

    The growing national concern over energy has aroused a great deal of interest in the most efficient and least costly way to use our remaining fossil fuel reserves. A number of studies have been publis

    Jan 1, 1976

  • SME
    "Low Cost" Energy Conservation Measures For Rotary Kiln Systems

    By Jr. Goller

    You and I can visit cement plants, inspect the various rotary kiln systems and find some equipment or some burning techniques that waste energy--fuel and power. After we have made such a visit and s

    Jan 1, 1977

  • SME
    "Synthetic Gypsum Use in Wallboard"

    By Paul J. Henkels

    Synthetic gypsum is the calcium sulfate co-product of a number of industrial processes. Synthetic gypsum utilization as an alternative to the naturally occurring mineral continues to grow in the gypsu

    Jan 1, 1999

  • SME
    15. Discovery and Development of the Toquepala and Cuajone Deposits, Peru, SA

    By Willard C. Lacy

    Discovery of a mine is a complex affair. No mine is simply found but comes about through the efforts of many. It is difficult to establish "credit" when a mine is found and becomes a viable operation,

    Jan 1, 1991

  • SME
    2017 SME keynote; When Are Commodity Prices Going to Rise?

    By Douglas B. Silver

    "Editor’s note: Douglas B. Silver, Portfolio Manager, Orion Resource Partners, was the keynote speaker at the 2017 SME Annual Conference & Expo in Denver, CO on Feb. 19, 2017. He also gave the keynote

    Jan 8, 2017

  • SME
    29. Golden Grove Discovery Case Histories ? Introduction

    The Golden Grove Project area is located 220 km (137 miles) east of Geraldton in Western Australia (Fig. 1). The project is a joint venture involving Amax Exploration (Australia) Inc. (Amax), Electrol

    Jan 1, 1991

  • SME
    4. Truck Allocation to Shovels in an Open-Pit Mine - A Case Study on the Initial Attempt - Statement Of 'The Problem

    By H. I. Meyer

    The mine is a large open-pit copper mine located near Tucson, AZ. Mining operations involve shovels digging at relatively fixed locations and haul trucks moving the muck to a primary ore crusher, a pr

    Jan 1, 1979

  • SME
    A Case For Greater Involvement Of The United Nations In Third World Mineral Developments

    By John S. Carman

    Our industry is in trouble. Real trouble. It has never been an easy, secure business. But to-day it is engulfed in revolutionary currents. No longer can there be reliance upon the checks and balances

    Jan 1, 1977

  • SME
    A Case History Illustrating The Influence That Bench Face Angle Can Have On The Performance Of A Highwall Slope

    By A. F. Stewart

    Slope design in an open pit mine includes the determination of a number of parameters, including bench height, bench face angle and berm width. By way of a case history of two highwall slopes (160m an

    Jan 1, 1998

  • SME
    A Case Study In The Use Of Kinetic Models To Justify Expansion Of The Rougher Flotation Circuits At The Metcalf Concentrator

    By Richard C. Travis, Edward C. Dowling

    A detailed kinetic study of the flotation installation at the Metcalf Concentrator revealed a rougher flotation circuit operating under less than optimal conditions. Based on these results, a project

    Jan 1, 1993

  • SME
    A Current Look At The Florida Phosphate Industry

    By R. C. Timberlake

    In the past three years there has been a great amount of attention given to phosphates world wide, and in particular to the Florida Phosphate Industry. I would like to relate some of the most recent h

    Jan 1, 1977

  • SME
    A Feasibility Study For The Production Of Filter Aids From Kansas Volcanic Ash ? Introduction

    By William R. Hess

    Volcanic ash, although a little-used Kansas resource, is available in forty counties with estimated, reserves of more than 20 million tons. It was first produced in Kansas in the early 1900?s but not

    Jan 1, 1965

  • SME
    A Financial Advisor's Role In The Development Of Major Australian Mining Projects ? Introduction

    By R. B. Massy-Greene

    Project engineering and development is a process of optimisation of capital, operating and financial costs, and extraction rates in the light of current and forecast economic conditions for the sale o

    Jan 1, 1982

  • SME
    A Historical Review Of The Relation Of Gold To Money In The U. S. And Abroad

    By George H. Willis

    In the second half of the nineteenth century, bimetallism progressively replaced by gold standard. After World War I and 1931-33 depression, gold mainly reserved for official international transaction

    Jan 1, 1978

  • SME
    A History of Gold Mining in Oatman & Gold Road, Az - SME Annual Meeting 2024

    By Terence P. McNulty

    Gold-bearing outcrops were discovered in 1862 by Union soldiers garrisoned at Needles, CA, near the northwest corner of the future State of Arizona. Sporadic mining began several years later, but engi

    Feb 1, 2024

  • SME
    A Jouney to Zero Harm; Montana Resources Sets the Standard in Mine Safety

    By William Gleason

    "It has been more than 10 years since Montana Resources’ copper/molybdenum mine has had a lost-time injury at its site in Butte, MT. With more than 350 employees and an average production of about 15.

    Oct 1, 2019

  • SME
    A machine learning modelling outline for short-term seismic hazard assessment - RASIM 2022

    By Patrick Linzer, Lindsay Linzer

    By its nature, seismology has been a data intensive field since the first digital computers were introduced in the 1950s. The first empirical models were developed in the same period and are still wid

    Apr 26, 2022

  • SME
    A New Gold Mill For Nevada - Introduction

    By Robert E. Baker

    Cortez Gold Mines, the United States' third largest primary producer of gold, commenced continuous operations on January 10, 1969. The decision to proceed to production was made in March of 1968

    Jan 1, 1969

  • SME
    A New Look At The Small Gasifier

    By R. W. Culbertson

    During the 1920's, approximately 11,000 small gasifiers were in operation in the United States. They converted about 15 million tons of coal per year into low Btu gas. In some cases, hot raw gas

    Jan 1, 1978

  • SME
    A Process That Uses Sulfur From A Copper Concentrate To Reduce Leached Copper

    By R. H. Bartlett

    Hydrometallurgical processes for copper flotation concentrates avoid the S02 emission problems associated with smelting, but they require oxidation of copper to obtain solubilization during leaching.

    Jan 1, 1978