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RI 3215 Comparison of Methods for Determining the Friability of Coal
By H. F. Yancey, E. Zane
"INTRODUCTION The term ""friability"" as applied to coal may be defined as the physical property of coal which expresses its tendency to become reduced in size during handling as a result of such exte
Jun 1, 1933
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A Perspective Of Marine Mining Within De Beers
By K. Richardson
Although the De Beers group has a long history of placer mining on land, the group only became actively involved in deep water marine diamond exploration and mining in 1983 with the formation of DeBee
Jan 1, 2007
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Optimum Chain Pillar Design at the Deepest Multi-Seam Longwall Workings in India Mining, Metallurgy and Exploration (c1221f6a-70cf-4429-9a4d-13a3e324a05a)
By Nilabjendu Ghosh, Satyendra Kumar Singh, Gautam Banerjee, Harshit Agrawal
High-production methods like longwall mining with hydraulic powered supports are necessary to increase underground coal production in India. Longwall mining had a mixed success record for Indian geo-m
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Optimum Chain Pillar Design at the Deepest Multi-Seam Longwall Workings in India Mining, Metallurgy and Exploration
By Nilabjendu Ghosh, Satyendra Kumar Singh, Gautam Banerjee, Harshit Agrawal
High-production methods like longwall mining with hydraulic powered supports are necessary to increase underground coal production in India. Longwall mining had a mixed success record for Indian geo-m
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Optimizing Value on a Copper Mine by Adopting a Geometallurgical Solution
By A. S. Macfarlane
This paper describes how knowledge of the orebody morphology and ore morphology can be used to optimize the planning, mining, and metallurgical output from an open pit copper mining operation, such as
Jan 1, 2014
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Spreadsheet Based Modelling of Liner Wear Impact on Charge Motion in Tumbling Mills
Spreadsheet Based Modelling of Liner Wear Impact on Charge Motion in Tumbling Mills
Sep 13, 2010
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Barge-Ship Bulk Handling Terminal On The Mississippi ? Synopsis
By William H. Lehr
A 4200 ton-per- hour marine transfer terminal, where river and oceangoing vessels simultaneously exchange cargos of coal and phosphate rock, is now in operation near the mouth of the Mississippi. Its
Jan 1, 1967
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Industrial Minerals 2004 - Bentonite
By C. R. Landis
The Wyoming bentonite industry continued its run of stable, if not strong, growth in its complex markets. Growth at the macroscale was fueled by a strong domestic economy, the weakening of the U.S. do
Jan 1, 2005
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Different Drilling Techniques in Challenging Geology at Seminole Hard Rock Hotel and Casino
By Michael Arnold, Jonathan Delgado
In 2017, Bauer Foundation Corp. (BFC) was awarded the contract to install the deep foundations for the new 17-story Hotel Tower and the Low Rise Casino Expansion at the Seminole Hard Rock Hotel and Ca
Jan 1, 2018
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Notes on the Geology of the Pinnacles Mine and District
A homely simile will serve to epitomise an interpretation of the rock structures and associated phenomena of the block of country under review, as it appears to the writer.Disregarding the many thousa
Jan 1, 1927
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Cattle Aid Reclamation at Robinson Mine in Nevada
Inn mining communities throughout the western United States, cows have always been part of the landscape as they graze on surrounding rangelands. Until recently, mining companies regarded these anima
Jan 1, 1999
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Integration of Sensor Technologies at a Bucket Wheel Excavator for Identification of Material Type and Detection of Interface Layers
By Martin Kesting
The world wide growth dynamics and the continuously growing demand for energy, results in increasing energy prices. Looking from this point, the efficient exploitation of fossil fuel deposits has beco
Oct 1, 2009
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RI 3562 Studies Of Roof Movement In Coal Mines - 4. Study Of Subsidence Of A Highway Caused By Mining Coal Beneath ? Introduction (299b84a1-0109-4982-b64a-0d5d19e6a986)
By E. R. Maize
[he scconG rcport of :his st?rI.org 8cdt with o3servatioi:s of conver- gence of roof an4 floor at t!x*re: ?.cc.-.tioris iri til~ ClVucible mine of kke Cru- cib1.o Fuel Co. Data on sl:'ociacnce ?.
Jan 1, 1941
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K-Ar and Rb-Sr dating and the genesis of tungsten at the Clea tungsten skarn property, Selwyn Mountains, Yukon Territory
By K. M. Tompson, R. L. Armstrong, C. I. Godwin
"Tungsten skarn deposits on the Clea property in the Selwyn Mountains, Y. T., are related genetically to a quartz monzonite stock, about 500 metres in diameter at the surface. Lower Paleozoic sediment
Jan 1, 1980
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External Corrosion Resistance Of Steel And Ferritic Stainless Steel Exhaust Systems
By D. C. Oliver
Paper written on project work carried out in partial fulfilment of B.Sc. (Eng.) (Metallurgy and Materials) degree Corrosion in exhaust systems can occur on both the interior and exterior surfaces.
Jan 1, 2003
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Chromium Update Is First In New Series Of Mines Bureau Reports
Chromium, a critical mineral for which the United States is largely dependent on foreign sources, is the subject of a new report just issued by the Interior Department's Bureau of Mines. The
Jan 1, 1977
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Developing Greater Synergy Among Geologists, Mineral Processors and Mining Engineers/Operators
By Marcel Vallée
Frequently, costs overruns and defaults in mining project performance result in serious problems and headaches for all project participants and impact on corporate objectives, profits and image and, o
May 1, 2002
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Intensive Boring on the Wonthaggi Coal-Field, Victoria
THE Wonthaggi coal-field lies south easterly from Melbourne at a distance by rail of 86 miles, on the flats of the Powlett River, immediately to the south of the deep-cut valleys and steep intervening
Jan 1, 1918
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Industrial Minerals 2004 - Kaolin
By R. L. Virta
Twenty-three companies mined kaolin in nine States in 2004. Production was estimated to be 7.6 Mt (8.3 million st) valued at $912 million, based on preliminary data. This was a slight decrease from
Jan 1, 2005
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RI 3519 Underground Transportation Of Coal - Progress Report I ? Introduction
By Albert L. Toenges
The introduction of mechanized mining in coal mines, which has speeded loading, has emphasized the importance of efficient underground transportation systems. The purpose of this investigation is to s
Jan 1, 1940