The book Ore Deposits a Discussion Re Published was written by author Tarkington, Booth, 1869-1946 Here you can read free online of Ore Deposits a Discussion Re Published book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Ore Deposits a Discussion Re Published a good or bad book?
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KEMP. The only waters entering into the crust of the earth or emerging from it, which cut any figure in the economy of Nature. Upon this sweeping, axiomatic principle his case would be especially based. But I. R. Replies that abundant experience indicates that hot-springs are asso- ciated with expiring vulcanism, are particularly large in arid regions, are known in several cases to yield more wa- ter than the capacity of the catchment basin tributary to them, and are therefore fed by the emissi...ons of cooling eruptive rocks, which, as we know from volcanoes, con- tain vast supplies of the elements of water. He would add that hot-springs have without much doubt been the great agents in the primary deposition of ores and gangue minerals in veins. M. W. Would next postulate that gravity is the prime mover in the underground circulations of the meteoric waters, and that it is reinforced by the expansion of the waters from the increase in temperature with depth. The descending cold and heavy column forces up again the as- cending heated and expanded column.
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