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Igneous Rock and their Origin


A comprehensive knowledge of igneous rocks is important from many aspects. The sedimentary rocks could not much exceed a half mile (0.8 km) in average thickness if they were spread evenly over the earth. The stratified terranes themselves have been derived from igneous terranes. This planet is essentially a body of crystallized and uncrystallized igneous material. The final philosophy of eath history will therefore be founded on igneous-rock geology.
Daly, R.A. - Personal Name
552 Dal i C.1
NONE
Textbook
English
Mcgraw-Hill Book Company, Inc.
1914
New York London
563 hlm., appen., fig., index, map, tab.
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