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The Amaranth Gypsum DepositBy G. M. Brownell
Introduction Within the past year a new deposit of gypsum has been opened up and brought into production in the Province of Manitoba. Until 1930, Manitoba's entire production came from Gypsumvil
Jan 1, 1931
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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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Univ CPT van der Westhuizen - Application of Components of Variance Analyses at ZincorZinc RefineryBy Dave Deglon, Andrévan der Westhuizen
Objectives ?Survey typical Met Accounting streams at the Zincor refinery ?Determine Precision in Metal Conc?s Measurements for Monthly Met Balance ?Determine the Components of Variance in th
Jan 1, 2005
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Limnological Processes in the Development of Acid Pit LakesLimnological processes are often overlooked when trying to assess the long-term water quality of pit lakes. It is essential to deal with these aspects, since they determine the geochemical and redox c
Jan 1, 2003
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Utilizing Paste Technology For Reclamation Of The Ute-Ulay Upper Tailings Impoundments, Lake City, CO - Project BackgroundBy T. Tafi
The Ute-Ulay project area is located approximately five miles west of Lake City, in Hinsdale County, Colorado. The Ute-Ulay Mine site is approximately one mile east of the project area. The elevatio
Jan 1, 2011
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RI 3275 Progress Report - Metallurgical Division - 11. Studies On The Recovery Of Gold And Silver - Abstracts Of Papers In This Report ? Amalgamation And CyanidationBy Edmund S. Leaver
The selection of a process for treating a gold ore is governed primarily by the characteristics of the ore under consideration. The form in which the gold occurs, its mode of association with other mi
Jan 1, 1935
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RI 3275 Progress Report -Metallurgical Division 11. Studies On The Recovery Of Gold And SilverBy Edmund S. Leaver
The selection of a process for treating a gold ore is governed primarily by the characteristics of the ore under consideration. The form in which the gold occurs, its mode of association with other mi
Jan 1, 1935
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OFR-126-81 Evaluation Of Control And Protection CircuitsBy E. C. Strycula
Solid-state equipment offers a number of potential advantages in the coal mining industry. These advantages can only be realized, however, through careful and judicious design of the control and prote
Jan 1, 1981
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Pressure-Grouting Improves Performance of Helical Piles: A Production Case History, Static Load Test Results, and Comparisons to Predicted Lateral Deflection and Axial ResistanceBy Karen J. Dawson, Francisco Johnson
"Pressure-grouted high strength helical displacement piles are a recently developed pile type that can be useful in conditions where noise or vibrations must be low or where access or clearance is lim
Jan 1, 2016
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Numerical Simulation of Molten Steel Flow under FC Mold Magnetic FieldBy Hwasoo Park
Keywords: FC mold, Argon, Magnetic, Solidification Fluid flow plays a significant role for steel surface quality in continuous casting. Although water models are able to model fluid flow, the flow
Jan 1, 2005
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New Haven MeetingTHE Institute assembled in the library of the Sheffield Scientific School at 8 o'clock, Tuesday evening, February 23d. Prof. G. J. Brush greeted the members present on behalf of the Government of
Jan 1, 1875
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Fractal Feature Research on Impact Fragments of Coalmine Deep RockBy Xiaozhu Chen, Qi Ping, Pu Yuan, Qinyong Ma
"In order to investigate the fractal feature of coalmine deep rock fragments under impact loads, variable cross-section split Hopkinson pressure bar apparatus, 50 mm in diameter, was adopted to conduc
Jan 1, 2015
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Corimarca prospect: A new discoveryBy J. Gonzales, C. Chávez
Este estudio se basa en un probable nuevo descubrimiento de un yacimiento de Au, en las rocas del volcánico Llallahui (Grupo Tacaza – Terciario Medio a Superior), que podría estar ligado a la ocurrenc
May 1, 2008
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The Modular Stec-roll® - A Good Alternative To Existing Caster RollsBy Fabiano Soares
Strand guide rolls in continuous casters are crucial components for guaranteeing an optimum process for the production of high-quality steel grades. The properties of these rolls greatly influence the
Aug 17, 2017
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RI 2661 Exhaust Gases From Engines Using Ethyl GasolineBy B. G. H. Thomas, W. P. Yant, A. C. Fieldner, R. R. Sayers, W. J. McConnell
"One of the outstanding problems confronting automotive engineers in attempting to construct motors of greater economy is that of eliminating the ""knock"" from the operation of the engine. Recent inv
Dec 1, 1924
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Progressing Cave Performance into the Later Stages of the Deep Ore Zone MineBy A M. Purba and A Sjadat, A D. Wilson
Ongoing mining of the East Ertsberg Skarn System orebody below the Gunung Bijih Timur and Intermediate Ore Zone caves has been relatively successful and a ramp up to 80 000 t/d was achieved in the Dee
May 9, 2016
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RI 2971 A System of Accounts for the Slate IndustryBy Oliver Bowles
"Simple systematic accounting that adequately records all transactions has long been regarded as essential to the welfare of any business enterprise. Some of the defects that detract from the prosperi
Nov 1, 1929
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Electrical Default Detection on Downed DC Trolley Lines – Preprint 97-38By J. S. Peterson, G. P. Cole
The National Institute for Occupational Safety and Health (NIOSH), Pittsburgh Research Center (PRC), has conducted research to improve electrical fault detection on coal mine direct current (dc) troll
Feb 24, 1997
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Some Major Structures of the Canadian ShieldBy J. Tuzo Wilson
Abstract A division of part of the Canadian Shield into provinces believed to represent former mountain belts is attempted, special emphasis- being laid upon radioactive age determinations, the rel
Jan 1, 1949
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New Haven Meeting - February 1875The Institute assembled in the library of the Sheffield Scientific School at 8 o'clock, Tuesday evening, February 23d. Prof. G. J. Brush greeted the members present on behalf of the Government of