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Safety Methods for Metal MinesBy B. F. Tillson
ALTHOUGH most accidents occur through the A carelessness or misfortune of the workmen; that is no reason why we should not take all physical precautions practicable. The best way to approach the probl
Jan 1, 1926
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IC 8302 Analyses Of Natural Gases Of The United States, 1964 ? IntroductionBy B. J. Moore
This publication contains routine analyses and related source data for 419 natural gas samples from 22 States collected during calendar year 1964 as part of a continuous survey of the United States fo
Jan 1, 1966
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The Cerro Verde 2 Concentrator: Design, Start Up and OperationBy P. Gelfi, J. Vanderbeek, J. Enriquez
"The Cerro Verde copper-molybdenum mining complex is located near Arequipa, Peru. A 108,000 t/d copper concentrator (C1 concentrator) commenced operation in late 2006 and was debottlenecked to a 120,0
Jan 1, 2017
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Using A Hindered Settling Hydraulic Sizer To Produce A Clay Product From A Mica Plant Waste StreamBy Louis M. Schlesinger
KMG Minerals, Inc., a mica-feldspar-quartz producer in Kings Mountain, N.C., uses about 50% of its plant's -200 mesh slimes to manufacture brick. However, the company is unable to market the rema
Jan 1, 1994
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Rock Mass Characterisation and Analysis for Excavation Design – A Discrete Fracture Network ApproachBy F M. Weir, M Fowler
The design of excavations in rock must, implicitly or explicitly take into consideration the influence of small- and large-scale geological structures. For most sites the complexity of a fractured roc
Nov 5, 2014
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Discounted Cash Flow Analysis Input Parameters and SensitivityBy Christopher R. Lattanzi
"Discounted cash flow analysis provides a means of relating the magnitude of expected future cash profits to the magnitude of the initial cash investment required to purchase an asset or to develop it
Jan 1, 2003
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Investigation Of A Slip/Fall Accident - Instructor's Copy - IntroductionBy David Garry, Michael J. Brnich, Lynn L. Rethi, Henry P. Cole, William J. Wiehagen, Roberta A. Calhoun
This document contains most of the materials needed to use the exercise. The main part of the document is the instructor's copy. It tells how to use the exercise, presents the objectives, the m
Jan 10, 1999
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IC 8501 Availability Of Uranium At Various Prices From Resources In The United StatesBy Carl L. Bieniewski
In a Bureau of Mines supply evaluation, the known uranium resources in the United States are estimated to have a total recoverable uranium oxide (U3O8) content of 3,132,400 tons at prices up to $69.32
Jan 1, 1971
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BlastingBy Joseph S. Malesky
The discovery and development of explosives mark one of the most important findings in the history of civilization. Without explosives our vast economic enterprise concerning the mining of coal, coppe
Jan 1, 1981
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Smarter Gravity Separation Using the Kelsey Centrifugal JigSmarter Gravity Separation Using the Kelsey Centrifugal Jig With relatively coarse grained and easy-to-process ore sources rapidly dwindling, smarter techniques are becoming more necessary for the co
Sep 13, 2010
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MLA 10-89 - Mineral Resources Of The Arc Dome Study Area, Nye County, NevadaBy Fredrick L. Johnson
In 1984, at the request of the U.S. Forest Service, the U.5, Bureau of Mines began a study of the 94,370-acre Arc Dome study area (4-667) in order to appraise its mineral resources, The Bureau of Mine
Jan 1, 1989
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Preventing Coal Waste Impoundment Breakthroughs into Underground Mines: How well are we doing?By J. F. Mack, P. R. Michael, J. M. Shapaka, S. J. Self, M. W. Richmond
"On October 11, 2000, an estimated 306 million gallons of water and coal waste slurry drained from an impoundment in Martin County, eastern Kentucky into an adjacent underground mine. Approximately 23
Jan 1, 2015
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Producing Structural Concrete While using Mine Tailings as a Substitute for Fine AggregateBy J. M. Bray, R. R. H. Cohen, P. Kiousis, S. R. Al-Abed
"INTRODUCTION Conventional tailing storage and management practices typically utilize engineered facilities, such as ring dikes and valley impoundments. To reduce the environmental costs associated wi
Jan 1, 2016
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Diagnostic Characteristics of IOCG Deposits and IOCG-Prospective TerranesBy Patrick J. Williams
Defining Features of IOCGs ? Sulphur-poor Cu-Au(-Fe) deposits ? Contain low-Ti iron oxides ? Hydrothermal origin (breccia, vein, replacement) ? Local structural controls (no ?causitive? intrusions
May 1, 2006
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Canada's uranium industry -the next decadeBy W. A. Gow, G. M. Ritcey, M. C. Campbell
"Uranium is a unique commodity. It is both a metal and a fuel, It has both commercial and military uses. It yields ""clean energy "" but presents environmental concerns. All of these factors have an i
Jan 1, 1985
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Institute of Metals Division - A Simple Device to Improve Uniaxial Loading in Compression Tests (TN)By Wilhelm in der Schmitten
A necessary condition for a uniaxial stress distribution in compression testing is that the specimen end surfaces make full contact with the apparatus compression plates. In addition all compression
Jan 1, 1962
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Research For Improved Profitability In Canadian Open Pit MinesBy G. Blackwell
In the 1980's the Canadian surface mining industry was confronted by declining competitiveness in the face of low cost foreign producers and alternative materials. Low metal prices undermined pro
Jan 1, 1993
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The Importance Of Proper Feed Preparation For The Traveling Grate - IntroductionBy Arthur W. Ruff
The iron-ore beneficiation and shiploading facilities of the Marcona Mining Company are at San Nicolas Bay which is on the Peruvian coastal desert about two hundred and seventy miles south of Lima. Th
Jan 1, 1968
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Implementation Strategies for Energy Effectiveness and Sustainability – Example of Anglo American PlatinumBy O Bascur, A Soudek
Large metallurgical complexes are substantial users of energy, water and assets. To improve the effectiveness of energy and assets the quality of the data and events become paramount for real-time ope
Sep 1, 2014