Prodromus of a practical treatise on the mathematical arts: containing directions for surveying and engineering (1838)
Eaton, Amos, 1776-1842 · Troy, N.Y., E. Gates; New York, Robinson, Pratt & co., [etc., etc.] · leaf 170
however, is not represented here. According to the modern theory of the earth, these strata of rockswere deposited in concentric hollow spheres, like the coats of anonion. And within the granitic sphere, combustible materials weredeposited; and all strata above were broken up in several northand… … SadsojtJt*Green Jilh* 15S Descriptions of Strata. Sec. 343. Class I. Primitive or First Series. 1. Carboniferous or sJaiy formation. Granite, is an aggregate of angular masses of quartz, felspar^and mica. Subdivisions. It is called crystalline (granite proper)when the felspar and quartz present an…
Surveying · Civil engineering
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