Elements of astronomy: accompanied with numerous illustrations, a colored representation of the solar, stellar, and nebular spectra, and celestial charts of the northern and the southern hemisphere (1875)
Lockyer, Norman, Sir, 1836-1920 · New York, D. Appleton and company · leaf 110
Fig. 48.—Stratified Rocks, tilted andhorizontal. … Fig. 49.—Stratified Rocks,curved. Had this not been the case, the mineral riches of theEarth would forever have been out of our reach, and thesurface of the Earth would have been a monotonous plain.As it is, although it has been estimated that the thicknessof the series of stratified rocks, if…
Astronomy
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