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The 1987 World Economy, The 1988 National Economy Through May, And Performance Of The U. S. Nonfuel Mineral Industry - World Economy In 1987
By Joan Weinberg
Real output expanded at a 3.0% rate worldwide in 1987, a slightly lower pace than the 3.2% rate in 1986. The decline was accounted for largely by slower growth in the U.S.S.R. and the East European co
Jan 1, 1988
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Difficult Mining Conditions in 153 Orebody at a Depth of 4550 ft at Vale Inco?s Coleman Mine
Vale Inco?s Coleman Mine 153 Orebody is a narrow vein deposit with a dip that varies from 30 to 70 degrees. It has a strike length of 1200-feet and the current mining extends from the 4250 level to 51
May 1, 2009
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Heap Leach Production Modeling: a Spreadsheet-Based Technique Mining, Metallurgy and Exploration
By John Marsden, Mike Botz
A variety of modeling techniques can be utilized to forecast metal production at heap leaching operations. These approaches reflect a wide range of complexity, flexibility, time to implement, cost, an
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Heap Leach Production Modeling: a Spreadsheet-Based Technique Mining, Metallurgy and Exploration (d0b07872-d76a-4d2f-9138-be0ecd526747)
By John Marsden, Mike Botz
A variety of modeling techniques can be utilized to forecast metal production at heap leaching operations. These approaches reflect a wide range of complexity, flexibility, time to implement, cost, an
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Heap Leach Production Modeling: a Spreadsheet-Based Technique
By John Marsden, Mike Botz
A variety of modeling techniques can be utilized to forecast metal production at heap leaching operations. These approaches reflect a wide range of complexity, flexibility, time to implement, cost, an
Sep 3, 2019
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Development of Geometallurgical Comminution Mapping and Modelling
By Luke Keeney, Stephen Walters
"The start up of a new mining and metallurgical facility is a crucial step in the life of any mining project. The mining industries record is poor when evaluating processing plant operation relative t
Jan 1, 2009
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OFR-16-74 Proceedings Of Thru-The-Earth Electromagnetics Workshop - Objectives And Constraints Of Through-The-Earth Electromagnetic Communication Systems
By Howard E. Parkinson
In 1969, new coal mine health and safety legislation was enacted in the United States. As a result of this legislation, the Department of Interior, Bureau of Mines has carried out communications resea
Jan 1, 1973
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IC 7450 Consumption of Slab Zinc in the United States by Industries, Grades, and Geographic Division, 1940-45
By Alfred L. Ransome
The consumption of slab zinc in the United States increased sevenfold in less than a half century since 1900. Therein is reflected the innate characteristics of this versatile and nearly indispensable
Feb 1, 1948
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IC 9075 Field Tests Of A Model Health And Safety Program For The Mining Industry
By Robert H. Peters
The objective of the project descibed in this report was to design and field test a model health and safety program at a coal mining company and a gold mining company. The model program was implemente
Jan 1, 1986
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"Synchronized Blasting Demolition of Workshop and Chimney under ComplicatedConditions"
By Jun Yang, Zongshan Zou, Mei Qu, Jianjun Zuo
For technical renovation of the thermal plant, one frame structure workshop of 50,000 m2 (59,800 yd2) construction area and one reinforcement concrete chimney of 150m (492 ft) height shall be demolish
Jan 1, 2016
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Wear Rate Evaluation of Mill Lining and Grinding Media Materials (6cce772a-f9dd-47eb-bf3c-8700faa7e0f4)
By Wingham D. W
Based upon the previous work of Norman & Loeb, a method was used to assess the comparative wearing properties of ten different alloys being used, or being considered for use, as mill liners and gr
Jan 1, 1963
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Uranium Exploration in the United States
By Phillip I. Merritt
"IntroductionDuring and since• the war, it has been my privilege to work closely with those in Canada who are responsible for the vital raw materials needed in our co-operative atomic energy programme
Jan 1, 1950
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OFR-130(3)-85 High Reliability Miner Hydraulic System - Volume II -Mining Hydraulics Manual ? 1. Introduction ? 1.1 General
Hydraulic fluid power systems are advantageous whenever power output must be accurately and safely controlled. The load movers, cylinders, jacks, rotary actuators and hydraulic actuators in these syst
Jan 1, 1982
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Mining to play a larger role at bauma 2010
Once every three years the eyes of the construction and mining industry?s turn to Munich, Germany for the bauma trade fair and exhibition. From April 19-25, Messe München International (MMI) will host
Jan 4, 2010
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Developing And Implementing An Enterprise Reliability Strategy (ERS) In Mining Operations
By J. W. Davis
In the last few years major industrial companies have begun to realize the importance of Reliability as an enterprise strategy that, properly implemented, will improve financial performance. Typical
Jan 1, 2003
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Gold Mining in the Little Long Lac and Sturgeon River Areas
By A. S. Bayne
THIS paper will present a review of the mining operations of one of Canada's most lately established gold mining districts (1). The history of the Little Long Lac and Sturgeon River areas is inte
Jan 1, 1940
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New tools for the mineral processing test engineer
By Philip Thompson
Many new evaluation tools have been developed since the early 1990’s to aid the minerals processing test engineer. The areas of comminution, gravity concentration, flotation, and process mineralogy ha
Sep 12, 2005
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A Case Study Applying the Multiple Blasthole Fragmentation Model (MBF) at an Open Pit Mine
By C. McAllister, D. Preece, J. Berendzen
The Multiple Blasthole Fragmentation (MBF) model was developed recently and has been reported in previous papers. The MBF model accepts inputs from the blast design, such as: location and orientation
Jan 1, 2016
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The Control of Spontaneous Combustion in the Doncaster Area
By R. F. Bell, Schultz
The paper briefly discusses the nature of spontaneous heating in mines in the Doncaster area, in the period immediately before 1967 and steps taken to prevent and treat such outbreaks. The changes tha
May 23, 1905
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Syllabus Of Clay Testing - Introduction
By T. A. Klinefelter
ONE OF THE many services rendered by the Federal Bureau of Mines is the identification and general examination of ore and mineral samples. Many of these, coming from almost every State in the Union, a
Jan 1, 1957