Smith, Hamilton Lanphere, 1819-1903. [from old catalog] · Cleveland, M. C. Younglove and company · leaf 306
ic con-vulsions occurred, the yet soft masses of gneiss and schistoseslates were upheaved, and in many cases rent open and moltenmasses of granite and basalt flowed through. The metals, meltedby the intense heat, were injected into the narrow fissures, andinnumerable dykes and veins were formed. In… … Directly associated with the contorted masses of mica schist towhich we have just alluded, there is a coarse slaty rock, exhibit-ing still more clearly the marks of aqueous deposition, but by farthe most interesting circumstance connected with this deposit,is the first appearance of animal life. We…
Astronomy · Meteorology · Geology · Paleontology
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