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Hardening Drill Steel with the Radiation-Type Thermocouple
By Charles G. Kemsley
IN January, 1939, Dome Mines, Limited, purchased a few bars of an alloy drill-steel for the purpose of testing its fatigue resisting qualities as compared with those of a straight carbon-steel then in
Jan 1, 1941
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Development Of A New Process To Control Scale In The Strip Circuit At The Homestake McLaughlin Mine
By L. M. Cenegy
Introduction The formation of scale is common in gold ore processing plants. A working definition of such scale is: "A hard, tightly adhering deposit formed in place by the precipitation of calc
Jan 1, 1992
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The rebirth of Corbinthe Byron Creek Collieries story
By J. Aiello
"A brief history of previous mining activity on Coal Mountain, near Corbin, British Columbia, is followed by a description of the steps leading up to the resumption of mining in /974 by Byron Creek Co
Jan 1, 1980
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Undercooling and Demixing of Cu-Co Melts in the Tempus Facility during Parabolic Flight
By A. Patti, S. Reutzel, D. M. Herlach, L. Ratke, I. Egry
Cu-Co shows a metastable miscibility gap in the region of the undercooled melt. Undercooling of the melt below the binodal leads to separation of the melt into a Co-rich LI-phase and a Curich L2-phase
Jan 1, 2004
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Determination of strength of UG2 chromitite pillars at Impala Platinum from laboratory tests and FLAC3D
By B. P. Watson, T. J. Maphosa, D. P. Roberts, L. J. Gardner
The results of FLAC3D modelling on chromitite Upper Group 2 Reef pillars from the Bushveld Complex of South Africa are described. The model input parameters were determined from laboratory triaxial te
Sep 9, 2024
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New Bof Performance At Gerdau Ouro Branco By Slagless® Technology
By Breno Totti Maia
This work was a continuous and multidisciplinary development. Through studies of the blowing process and its parameters results, evolutions, improvements and adjustments were made on the lance’s hot f
Oct 30, 2017
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Effective non-destructive testing (N.D.T.) of mine haulage equipment
By W. F. Harkness, D. Hodgkinson
"A non-destructive testing program was established at Crows Nest Resources (C.N.R.), Line Creek mining operation following an in-service fatigue failure of a front wheel spindle on a large haulage tru
Jan 1, 1987
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The Operation Of The Inco Flash Furnace Uptake: Combustion OfH2S And Formation Of Uptake Buildup
By J. Lui
The 15m high Inco flash furnace uptake was designed as a reaction chamber with the objective of destroying the H2S contained in the furnace off-gas by combustion with oxygen at about 1300?C. Until rec
Jan 1, 2003
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The V ALMIN Code - the Australian experience "Valuation 1 Session" Mining Millennium 2000 PDAC/CIM, 5-10 March 2000, Toronto, Canada.
By Michael J. Lawrence
"The VALMIN Code was developed and formally adopted by The Australasian Institute of Mining and Metallurgy (AusIMM) in 1995 and a revision was issued in 1998. The VALMIN Code applies to all relevant r
Jan 1, 2003
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Study of Bamboo Charcoal Load Ce-Doped Nano-Tio2 Photochemical Catalysis Oxidation Degradation of Formaldehyde Device
By Daowu Yang, Zhuo Ren, Hui Liu
"In this paper, the photochemical catalysis degradation effect of photocatalyst obtained by charcoal-supported nano TiO2 (nano TiO2 / charcoal) on the formaldehyde in the air was studied. The influenc
Jan 1, 2011
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Underground Mining at Rio Tinto
By C. R. Julian
THE large pyrites ore-bodies, the underground mining of which is to be described, are situated at Rio Tinto in the Province of Huelva in Southern Spain. The situation of the different ore-bodies with
Jan 1, 1940
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A Comparison Of Rock Deformability Measurements By Petite Sismique, The Goodman Jack And Flat Jacks
By Z. T. Bieniawski
Results of in situ investigations are discussed providing comparisons of rock mass deformability measurements by three methods: 'petite sismique' technique, the Goodman borehole jack and fla
Jan 1, 1979
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Experimental Investigation on the Lateral Load Capacity of Monopiles in Dense Sand
By Kenneth Gavin, Weichao Li, Paul Doherty
"The lateral load capacity is one of the most important issues to be considered in designing piles to resist berthing loads, ship impact forces and for monopiles used in the offshore wind sector. A nu
Jan 1, 2015
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IC 9436 Helium Resources Of The United States, 1993
By John E. Hamak
The identified helium resources of the United States were estimated by the U.S. Bureau of Mines at 617 Bcf, as of December 31, 1992. This includes 285 Bef of demonstrated reserves, 85 Bcf of demonstra
Jan 1, 1995
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A Simple Method of Measuring Rock Fracture Toughness using the Brazilian Test Method
By Aziz NI
There are a number of methods available for the determination of the fracture toughness of rock. Some of the most recognised methods include the hollow pressured cylinder, the short-rod, the chev
Jan 1, 1992
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The use of Geometallurgy to Estimate Comminution Parameters within Porphyry Copper Deposits
By G J. Harbort, K Lam, C Sola
The relationship between the geology of porphyry copper deposits and their processing performance is an area of interest. Being able to predict comminution properties of the ore from physical characte
Sep 29, 2013
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Surface Force Measurement between Oxide Surfaces in CnTACl Solutions Using an Atomic Force Microscope
By J. H. Zhang
An atomic force microscope has been used to measure the forces acting between two silica and two rutile surfaces in the presence and absence of cationic surfactants, CnTACl (n = 12~18). The forces mea
Jan 1, 2014
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Production - Domestic - Oil and Gas Development in West Virginia during 1938
By David B. Reger
Exploration for new pools of gas in the Oriskany sand and continued exploitation of areas already known to be productive in that sand were the main features of petroleum activity in West Virginia duri
Jan 1, 1939
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Production - Domestic - Oil and Gas Development in West Virginia during 1938
By David B. Reger
Exploration for new pools of gas in the Oriskany sand and continued exploitation of areas already known to be productive in that sand were the main features of petroleum activity in West Virginia duri
Jan 1, 1939
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RI 3186 Sand and Gravel Safety Contest of 1931
By W. W. Adams
"The third annual safety contest for plants producing sand and gravel, which was conducted in 1911 by the United States Bureau of Mines in cooperation with the National Sand and Gravel Association, re
Aug 1, 1932