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RI 3033 The Action Of Sulphur Dioxide On Manganese Oxides At Elevated Temperatures
By C. W. Davis
This paper is the second of a series of progress reports on a study, of the hydrometallurgy of manganese which is being conducted in an endeavor to make possible utilization of the large deposits of l
Jan 1, 1930
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RI 3033 The Action Of Sulphur Dioxide On Manganese Oxides At Elevated Temperatures ? Introduction
By C. W. Davis
This paper is the second of a series of progress reports on a study of the hydrometallurgy of manganese which is being, conducted in an endeavor to make possible utilization-of the large deposits of l
Jan 1, 1930
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Flotation as Part of Grinding Classification Circuits
By M. Tarvainen, J. Kallioinen
"Depressed metal prices coupled with increasing production costs have presented a great challenge for operators to control and reduce the costs of production to maintain profitability. Depleting ore r
Jan 1, 1984
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Mine Evaluation and Investment Analysis
By Donald W. Gentry
This section deals with one of the most fascinating aspects of mining the evaluation of mine investment opportunities. Be-fore proceeding further, it is important to clarify the meaning of some fundam
Jan 1, 2008
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Characteristics, Timing and Formation of Diatreme Breccias at the Kelian Gold Deposit, East Kalimantan, Indonesia
By J B. Gemmell, D R. Cooke
Recent mapping at the Kelian epithermal gold deposit in East Kalimantan, Indonesia has delineated intrusive and extrusive-phreatomagmatic breccias, their magmatic roots, and late-stage endogenous dome
Jan 1, 1999
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Subsidence Potential In The Eastern Kentucky Coal Field
By C. A. Johnson, K. F. Unrug
The identification of the major subsidence areas in the Eastern Kentucky Coal Field has been made to distinguish the subsidence phenomena on the basis of geographical location. Further, this identific
Jan 1, 1986
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Concentration Of Hematitic -Limonitic Iron Ores By High Intensity Permanent Magnetic Separator
By H. Demirel
This paper deals with concentration of hematitic-limonitic iron ores. The ore sample obtained from Karakuz (Turkey) contain:. about 40-46 I Fe. First, a low intensity magnetic separation process was
Jan 1, 1991
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The Science of Empirical Design in Mining Rock Mechanics
By Christopher Mark
"Many problems in rock mechanics are limited by our imperfect knowledge of the material properties and failure mechanics of rock masses. Mining problems are somewhat unique, however, in that plenty of
Jan 1, 2015
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IC 6631 Mining Laws of Denmark and Danish Possessions
By E. P. Youngman
This paper presents one of a series of digests of foreign mining legis- ation and court decisions that is being prepared in advance of a generel report elative to the rights of American citizens to ex
Jun 1, 1932
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Resource Estimation Practice, Macraes Gold Project
By M Stewart
In January 1994, Macraes Mining Company started a new phase of exploration to find additional resources along strike and down dip of identified resources for a mill that was being expanded from 2.1 Mt
Jan 1, 1997
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Weightings And Water Inflows During Longwall Working
By I. W. Farmer
Weightings and water inflows into longwall workings often occur together, giving rise to discussions on their relative genesis. Case histories are introduced which indicate that most water inflows are
Jan 1, 1996
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RETC 2019 Full Proceedings - RETC2019
By CHRISTOPHER D. HEBERT, SCOTT W. HOFFMAN
All Rights Reserved. Printed in the United States of America. Information contained in this work has been obtained by SME, Inc. from sources believed to be reliable. However, neither SME nor its autho
Dec 1, 2019
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Banning Cyanide Use at McDonald – An Attack on Open-Pit Mining
By Richard H. De Voto
The McDonald gold project and two satellite gold deposits near Lincoln, MT were discovered in the early 1990s. They contain at least 307.9 t (9.9 million oz) of gold and 933 t (30 million oz)of silve
Jan 1, 2000
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RI 3905 Mica and Beryl Examination and Exploration in Cleburne, Randolph, Clay, Coosa, Chilton, Tallapoosa, and Lee Counties, Ala.
By Staff
"INTRODUCTION Sheet mica is one of the most important minerals in modern industry. It is used in many kinds of electrical devices, and up to the present time no satisfactory substitute for it has been
Aug 1, 1946
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The Battle of the Metals
By Percy W. Bidwell
THE statisticians had defeated Germany months before she invaded Poland. With batteries of adding machines they had proved that she was suffering from serious deficiencies in critical food- stuffs and
Jan 1, 1940
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Reflections on destress blasting for deep level hardrock mining: Key considerations for successful application of the techniques
By C. Yi, M. Onifade, B. Genc, S. Dineva, T. Zvarivadza, M. Khandelwal
Deep hardrock mines worldwide increasingly face rockbursts as mining depths increase. These events result from the accumulation and sudden release of stress, causing rockmass damage and posing major s
Jun 27, 2025
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Mobile gas laboratory for responding to mine fires and explosions
By M. P. Valoski
Mine fires and/or explosions continue to occur. While these are unusual events, they comprise emergency situations. Whenever one of these events occurs, the Mine Safety and Health Administration (MSHA
Jan 1, 2009
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Grouting Methods Involved in Stabilization of TBM Tunnel near CP-06, UAA-04, Chennai Metro
By Yeruva Ramanareddy, Sohail Wajid, Ahmed Shaz, K. Bhavani
"CP-06 is an NATM cross passage which connects up-line and down-line metro tunnels near Kilpauk Medical College, Chennai. It lies completely in loose silty sand to dense sand with water table almost t
Jan 1, 2017
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Presidential Address - The South African Coal Industry: Current Position And Future Challenges
By R. P. Mohring
The South African Coal Industry had its beginnings in the Eastern Cape in 1859 when coal was mined to satisfy the fledgling settlements in the Eastern Cape. The growth in the industry was relatively
Jan 1, 1997
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IC 8476 The Rare-Earth Elements, Yttrium, And Thorium - A Materials Survey - With A Chapter On Resources By John W. Adams ? Introduction
By John G. Parker
The rare-earth elements, sometimes known as the lanthanides, comprise the series of 15 chemically similar elements with atomic numbers 57 through 71. Yttrium, with atomic number 39, is often included
Jan 1, 1971