"Igneous" Quotes from Famous Books
 ... to afford evidence of ancient paroxysms of nature, but we cannot consider igneous rocks proof of any exceptional paroxysms. Rather, we find ourselves compelled to regard igneous rocks as an aggregate effect of innumerable eruptions, of various degrees of violence, at various times, and to consider mountain chains as the accumulative results of these ...
— The World's Greatest Books - Volume 15 - Science • Various
... mountains is seen the sombre brown in the bare rocks. The whole region was at one time violently disturbed by seismic force and the glow of its quenched fires has even yet scarcely faded away. Large masses of igneous rocks and broad streams of vitrified lava bear mute testimony of the change, when, by some mighty subterranean force, the tumultuous sea was rolled back from its pristine bed and, in its stead, lofty mountains lifted their bald beads above the surrounding desolation, and stand ...
— Arizona Sketches • Joseph A. Munk |
