"Igneous" Quotes from Famous Books
 ... concerning the primary causes of volcanoes, and many explanations relating to the igneous matter discharged from their craters. Like the doctors who disagree in the diagnosis of a human malady, the geologists and volcanists are equally unable to agree in all details concerning this form of the earth's ailment. After all theories ...
— Complete Story of the San Francisco Horror • Richard Linthicum
... most of these hills, as of many all over the plateau, is that they are flat-topped, and have often steep, even craggy escarpments. This seems due to the fact that the strata (chiefly sandstone) are horizontal; and very often a bed of hard igneous rock, some, kind of trap or greenstone, or porphyry, protects the summit of the hill from the disintegrating influences of the weather. It is a bare land, with very little wood, and that small and scrubby, but is well covered with herbage, affording excellent pasture during two-thirds ...
— Impressions of South Africa • James Bryce
... themselves in America,—then, more briefly, as they appear in Europe. A full account of the life that manifested itself in each epoch, both vegetable and animal, is likewise given in the same order. The igneous and other disturbing agencies are then considered, and general remarks added upon the geography, the character of the surface, and various ...
— Atlantic Monthly, Vol. XI., April, 1863, No. LXVI. - A Magazine Of Literature, Art, And Politics. • Various
... wider than above, and we could see the summits around that were six thousand feet above the river, but some miles back. In the morning I made a geological sketch, and in the afternoon I climbed a high peak and put in some of the topography. The next morning we crossed the river to examine a large igneous butte where we found a small vein of copper ore, and after dinner Prof. and I climbed a couple of peaks and did some triangulating. Monday the 26th found us still at Camp 94 to further investigate the surroundings, and the Major, Prof., Jones, and I climbed up on the north about 2600 feet in ...
— A Canyon Voyage • Frederick S. Dellenbaugh
... the centre of the great crater of Epomeo..., and therefore lies immediately over the ancient chimney, which in all probability is filled by an old plug of consolidated trachyte, which must descend to the igneous reservoir. Any mass of igneous matter, that might determine the further rupture of a collateral fissure, would result in the conduction of any changes of pressure or vibrations, along the column of highly elastic trachyte; whilst the same earth-waves ...
— A Study of Recent Earthquakes • Charles Davison
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