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Showing: 1 to 10 of 5990 matches for "ECONOMIC IMPORTANCE OF MINERALS"  Page   1   2   3   4   5   6   7   8   9  next
TITLE Papres - Mining Geology - Bedding-plane Faults and Their Economic Importance 
SUMMARY ... Illustrations of Economic Importance.-At Leadville, bedding-plane movements of this
type are ... the limestone has been partly replaced by clayey minerals or the ...
AUTHOR Behre, Charles M., Jr
PUBLISHED 1937
TITLE Cut-and-Fill Stoping as Practiced at Outokumpu Oy 
SUMMARY ... In addition there are nickel and cobalt minerals such as cubanite and
cobalt-pentlandite, which have been of economic importance. ...
AUTHOR Matikainen, Raimo ; Särkkä, Pekka
PUBLISHED 1982
TITLE Industrial Minerals - Dimension Stone in Minnesota 
SUMMARY ... The granites of greatest economic importance are found in three widely separated
regions ... The minerals of the matrix occur in remarkably uniform sizes, and the ...
AUTHOR Schwartz, G. M. ; Thiel, G. A.
PUBLISHED 1953
TITLE Metal Mining - Symposium on Western Phosphate Mining: Foreword 
SUMMARY ... These fields, in the order of their present economic importance, are situated ... material,
asso- ciated with which are recoverable trace minerals, which are of ...
AUTHOR Norris, E. M.
PUBLISHED 1950
TITLE Economic factors of industrial minerals production 
SUMMARY ... changing demand, technology, and economic pressures in ... decreas- ing order of importance,
the four ... mater- ials, chemical industry minerals, fertilizer minerals ...
AUTHOR Gallagher, A. E. J. ; Kibler, H. S. ; Sebesta, J. J.
PUBLISHED 1987
TITLE Minerals Beneficiation - Flotation of Molybdenite at the Morenci Concentrator 
SUMMARY ... recovery of copper minerals, approximately two-thirds of the molybdenite is floated
and appears in the final cop- per concentrate. The economic importance of mo ...
AUTHOR Papin, J. E.
PUBLISHED 1956
TITLE Extractive Metallurgy Division - High-Temperature Chlorination of TiO2, Bearing Minerals 
SUMMARY ... The role of HC1 in czlorination of iron f9-om the minerals is discussed. ... it determines
the heat balance of the reactor, a matter of great economic importance. ...
AUTHOR Dunn, W. E., Jr.
PUBLISHED 1961
TITLE Papers - Gold and Silver Milling and Cyaniding - Ore Treatment at Beattie Gold Mines Limited 
SUMMARY ... view, has been prospected for over 20 years, but no discoveries of economic importance
were made ... 2. The sulfide minerals are finely disseminated in the gangue. ...
AUTHOR Hubler, W.G. ; Martin, F.J.
PUBLISHED 1935
TITLE Industrial Minerals - Industrial Mineral Economics and the Raw Materials Survey 
SUMMARY ... inter- changeability of minerals or minerals and chemical products, complete or
partial, for many important uses is an economic factor, the importance of which ...
AUTHOR Ladoo, Raymond B. ; Stokes, C. A.
PUBLISHED 1951
TITLE Geophysics - The Economics of Geophysics in Mining Exploration 
SUMMARY ... The strategic importance of the metallic minerals in our industrial econ- omy ... of
barren areas is the least appreciated but is of great economic importance. ...
AUTHOR Jakosky, J. J.
PUBLISHED 1950
Showing: 1 to 10 of 5990 matches for "ECONOMIC IMPORTANCE OF MINERALS"  Page   1   2   3   4   5   6   7   8   9  next

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