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Mining Foundation of the Southwest Honors its 2005 Inductees
The 23rd annual American Mining Hall of Fame Awards Banquet sponsored by the Mining Foundation of the Southwest will be held at the Tucson Marriott University Park Hotel, Tucson, AZ on Saturday, Dec.
Jan 1, 2005
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Benefits of a Good Quality Assurance Program to an Electric Utility
By W. J. Mahoney
A good quality assurance program at a coal mine or power plant is accurate, timely and consistent. The quality analysis is accurate due to a complete sampling of the coal stream loaded into the unit t
Jan 1, 1994
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Gold Recovery From High-Arsenic Containing Ores At Newmont´s Roasters
By R. Fernández, E. Marczak, A. Collins
Newmont roasting plant in Carlin, Nevada commenced operating in December 1994. Over the years, refractory ores and pyrite concentrates from different gold deposits constituted the feed to the facilit
Jan 1, 2007
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An Overview Of Selected Industrial Minerals In Colorado And Near-By States
By W. Langer
Of the 50 or so most often utilized industrial minerals, more than two thirds are, or have been, produced in the western states of Arizona, Colorado, Idaho, Kansas, Montana, Nebraska, New Mexico, Nort
Jan 1, 2007
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Save Your Energy and Improve Your Productivity
By W. J. Kennedy, John D. Gardner
Introduction During the past 10 years, energy costs in mining have risen from about 4% to as much as 25% of total production cost. When combined with declining ore grades, these costs exert inordinat
Jan 11, 1983
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Physico-Chemical Aspects Related To The Floatability Of Magnesite And Dolomite –Single Mineral System
By A. Yehia, M. I. Al-Wakeel
Flotation behavior, of magnesite and dolomite pure minerals was studied separately. Rice bran oil (a source of fatty acid ) was used as a collector for both minerals . The aim of this study is to find
Jan 1, 2000
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Mining Intelligence Tools - How To Consolidate Information And Drive Business Decisions
By F. Mielli
Mine operation managers are constantly tasked with identifying new ways to produce more, while using less. Mine effectiveness and reliability is the foundation of improving operational performance. Ti
Feb 27, 2013
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Recycling Of Valuable Metals From Spent Silver-Oxide Batteries
By K. Park, J. Sohn
Recovery of industrially useful metals from various secondary sources is an important issue in Korea whose natural resources are limited and needs in the strategic metals are on the rise. In order
Jan 1, 2002
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Problems With Appraising Electric Utility Assets After Deregulation (9b7f9b1b-6191-4f06-b182-7adc8e5b7333)
By J. Kern, M. Cain, T. Torries
Until recently, the generation of electricity was regulated in all states and the value of generation assets in a regulatory environment for ad valorem taxation were based largely on the book value of
Jan 1, 2001
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Arizona Copper Industry Continues to Face Challenges
By William R. Yernberg
The 2002 Arizona Conference was held Dec. 8 and 9, 2002, at the Doubletree Hotel at Reid Park in Tucson. The annual conference is organized by the Arizona Conference Board of Directors, which represe
Jan 1, 2003
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The introduction and advancement of remote roof bolting in coal mines
By Robert Burgess, Dale Gill, Jaco Steyn, Bill Kyslinger
"With mining, especially coal extraction, comes the necessity of supporting the roof. Since the 1950s, the primary method for roof support has been the use of roof bolts. Roof bolting is considered o
Mar 1, 2017
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Assessing Ground Ahead Of TBm Tunnel Using Low-Interruption Wireless Seismic Reflector Tracing System
By Takuji Yamamoto
High-speed TBM excavation requires rapid ground assessment ahead of excavation, particularly in complex grounds. The Tunnel Reflector Tracing technology (TRT) developed by authors, uses seismic reflec
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Bio-Indicator Evaluation of Water Quality Impacts from Inactive and Abandoned Mines in the Bear Butte Creek Basin of the Black Hills
By A. D. Davis, J. L. Sorensen, C. J. Webb
Environmental impacts from acidic mine drainage are growing national concerns that are particularly acute in the headwaters of the Rocky Mountain region. In the Black Hills of South Dakota, approximat
Jan 1, 1999
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Minetracer Wireless Mesh Communications And Tracking System - Preprint 09-075
By J. Barrett
State-of-the-art wireless communication and location-tracking technologies will dramatically change the face of mine worker safety. The MineTracer System developed by a Liberty Lake Washington company
Jan 1, 2009
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Selection Of The Vertical Alignment Of Rapid Transit Tunnels
By Charles W. Daugherty, James P. Gould, Kenneth R. Ware
INTRODUCTION As illustrated in Figure 1, the Washington Metropolitan Area Transit Authority's (WMATA) rapid transit system (METRO) ultimately will comprise 100 miles of line divided among 10 r
Jan 1, 1976
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Electrochemical Study Of Gold Dissolution In Cyanide Solution (Preprint 00-90)
By H. K. Lin
Cyclic voltammetric and potential step chronoam-perometric techniques were used to study gold dissolution in cyanide solution. Three distinct anodic and one cathodic peaks appear on the voltammogram b
Jan 1, 2000
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Porphyry Copper-Gold Deposits of the Southwest Pacific
By R. L. Andrew
The southwest Pacific has produced at least four of the world’s premier porphyry copper-gold deposits, and the current level of exploration is likely to produce even more. An appreciable amount of gol
Jan 1, 1995
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Recovering Gold From Carbon Fines By Gold Transfer Process
By E. M. Hill, H. K. Lin, J. L. Oleson
When activated carbon is used for recovering gold in gold industry, carbon fine materials are generated in stripping, acid-washing and kiln regeneration circuits. The carbon fines at the Fort Knox mi
Jan 1, 2002
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The Economics of Silver and the Miner
By Hugh Douglas
In the past two years recent increases in silver prices over levels that prevailed for many years have changed supply/demand patterns. On the supply side, a silver mining boom is in progress in the Un
Jan 1, 1981
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Bauxite Residue Fractionation With Magnetic Separators (97e49229-6f62-4ed3-b3b5-93e2e0e61fbc)
By D. William Tedder
Several bauxite residue sands and muds produced by Bayer plants in the U.S. and overseas have been fractionated using dry and wet magnetic separators. The magnetic sand fractions typically contain abo
Jan 1, 1984