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Quality Control of Assay Data: A Review of Procedures for Measuring and Monitoring Precision and Accuracy
By M. Abzalov
"Control of analytical data quality is usually referred to in the mining industry as Quality Assurance and Quality Control (QAQC), and involves the monitoring of sample quality and quantification of a
Jan 1, 2008
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Strong dollar and imports steal momentum from US mining recovery
By J. D. Morgan
Demand for nonfuel minerals depends on the overall state of the economy, which steadily improved each quarter in 1984. New housing starts rose to 1.8 million units. Automakers turned out about 15% mor
Jan 5, 1985
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Using Major Hazard Risk Assessment to Appraise and Manage Escapeway Instability Issues: A Case Study (d1d3dd49-2f0a-44af-8ddf-69de3f441c2d)
By Anthony Iannacchione
A Major Hazard Risk Assessment (MHRA) was developed in Australia after a series of mine disasters in the 1990?s. A MHRA is used to help prevent major hazards, i.e. fire, explosion, wind-blast, outbur
Jan 1, 2007
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Relevance of the Archaean Atmosphere to the Genesis of Banded Iron Formations
By R E. Myers, G N. Phillips
Many of the worldÆs larger iron ore deposits are hosted by rock sequences of Archaean to early Proterozoic age. Most models for the genesis of these deposits are influenced, either directly or indirec
Jan 1, 2002
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Gold Mineralization at the Anomaly A Deposit, Clarence Stream Area, Southwestern New Brunswick: Distal Deposits of a Syn-Deformational Intrusion-Related Gold System?
By M. J. McLeod, S. Watters, G. G. Lutes, S. Castonguay
"Gold-bearing mineralization at Anomaly A occurs in polydeformed Ordovician turbidites of the Kendall Mountain Formation of the St. Croix belt in southwestern New Brunswick, and is hosted by WSWtrendi
Jan 1, 2008
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RI 6126 Use Of A Large-Diameter Reactor In Synthesizing Pipeline Gas And Gasoline By The Hot-Gas-Recycle Process
By A. J. Forney
The hot-gas-recycle process, for the hydrogenation of carbon monoxide, was investigated in a 12-inch-diameter reactor. Initially because the distribution of gas was poor, hotspots developed in the cat
Jan 1, 1962
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Navigation and positioning technology in underground coal mines and tunnels: A review
By Q. Liu, S. Liu, Y. Cui
To reduce the frequency of mining incidents and improve safety and production efficiency, it is important to develop technology for the autonomous positioning and navigation of mining equipment, witho
Jun 1, 2021
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The Augmented Mine Worker – Applications of Augmented Reality in Mining
By J Bassan
The mining industry is faced with imperatives to improve worker safety and productivity, adapt to skills shortages, high worker turnover rates, and provide more effective maintenance to new and ever m
Nov 22, 2011
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Enhancing Cobalt Recovery from Copper/Nickel Matte Producing Smelters
By V. I. Lakshmanan
Process Research ORTECH Inc. (PRO), with its in-depth knowledge on cobalt behaviour in nickel matte smelters and its novel mixed chloride hydrometallurgical processing, is developing a hybrid process
Jan 1, 2019
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A Clean-Lead Factory Is Available For Lead-Acid Batteries Recycling By Means Of The ?Cleanlead Process?
By Carlos Frias
The lead-acid battery recycling is a major industrial activity (more than four million tonnes recycled lead per year) that generates large amounts of toxic wastes such as lead slag, mattes and acidic
Jan 1, 2006
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RI 3498 Hydrogenation & Petrography of Some Low Coals from the Western United States
By C. H. Fisher, M. L. Fein, A. Eisner, G. C. Sprunk, Loyal Clarke, H. H. Storch
"The large reserves of low-rank coals in the western United States are at a disadvantage in competing with the more mature but less plentiful eastern coals, which are nearer important markets and are
Mar 1, 1940
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Determining and Mitigating the Effects of Firing a Linear Shaped Charge Underwater
By Brian T. Burch, Paul N. Worsey
When fired, submerged Linear Shaped Charges (LSCs) lose all effectiveness in the cutting of steel. Users in underwater applications have reported having to substantially increase the charge size to th
Jan 1, 2015
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High Chromium White Irons for Slurry Pump Service in Mineral Processing
By Rees J. Llewellyn
High chromium white irons can be formulated to provide required combinations of abrasion and erosion wear resistance, toughness and capability to withstand corrosion attack. As a consequence, they are
May 1, 2004
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Feasibility Analysis Of Wind Power As An Alternative Post-Mining Land Use In Appalachia
By A. Duerksen
Surface coal mining in West Virginia has supplied energy to the eastern coast of the United States for over a century. The coal mining industry has been forced to adapt as societal demands regarding h
Jan 1, 2012
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Bias And Error In Mine Project Capital Cost Estimation
By J. Bertisen, G. Davis
Previous analyses of small samples of mining projects have found that feasibility studies tend to well under-estimate the actual capital costs of the project. Our review of 63 mining and smelting pro
Jan 1, 2007
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On-Line Mine ? A New Concept for Improving Mining Economy Through On-Line Mineral Analysis
By Ilpo O. Auranen
Background: Mines of today are moving ever increasing tonnages of rock. The new ore bodies tend be of lower grade and located deeper in the earth?s crust. The industry?s focus to overcome this ?deep
Oct 1, 2009
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OFR-32-80 Dewatering Systems For Surface Coal Mines
By J. E. Rourke, O&apos
This report incorporates a review of available dewatering technology and an evaluation of its relevance to surface coal mines in the Interior Province of the United States. Guidelines for the selectio
Jan 1, 1979
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The New Progress in the BGRIMM Emulsion Explosives Technology
By Wang Xuguang, Zhang Xiaozhi, Li Guozhong, Xiong Daiyu
The emulsion explosive is a new kind of water-based industrial explosives that was developed at the end of 1960s. In the 1970s, BGRIMM invented EL-series emulsion explosive that created a new era of w
Jan 1, 2003
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RI 4866 Synthetic Liquid Fuels, Annual Rpt. 1951, Pt. 2 Oil Shale
By BUREAU OF MINES
This report is submitted in accordance with the provisions or une Synthetic Liquid Fuels Act of April 5, 1944 (30 U.S.C. 321-325, as amended), which require that: "The Secretary of the Interior shall
Jul 1, 1952
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Uplift Capacity Of Drilled Piers In Clay - Synopsis
By Braja M. Das
Laboratory model test results for the ultimate uplift capacity of square and circular foundations in saturated clay (ø=0) have been presented. The results of the present model tests for square foundat
Jan 1, 1987