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"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
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"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
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"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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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