"Igneous" Quotes from Famous Books
 ... is a high, igneous range, surrounded for the most part by Lower Sonoran plains and desert. Zoologically, these mountains are poorly known. Few collectors have been in the area; most of these have been afforded accommodations through ...
— Two New Moles (Genus Scalopus) from Mexico and Texas • Rollin H. Baker
... predominating. The larger pieces are usually more or less rounded and the finer particles may be rounded or may be angular. Many varieties of rocks are to be found among the gravel pebbles, but the rocks of igneous origin and possessing a considerable degree of hardness generally predominate. Intermixed with the pieces of rock there is likely to be clay or other soil, the quantity varying greatly in different deposits and even in various places ...
— American Rural Highways • T. R. Agg
... shores of Graham's Land and the South Shetland Islands, we have a parallel combination of igneous and aqueous action, accompanied with an equally copious supply of Diatomaceoe. In the Gulf of Erebus and Terror, fifteen degrees north of Victoria Land, and placed on the opposite side of the globe, the soundings ...
— Discourses - Biological and Geological Essays • Thomas H. Huxley
... 100 miles around were destroyed by the pumice sand and ashes. The matter ejected has been estimated as twice the volume of Mount Hecla, or one hundred thousand millions cubic yards, probably as large as any single mass of the older igneous rocks known to exist—according to Bischoff, greater than the bulk of ...
— A Girl's Ride in Iceland • Ethel Brilliana Alec-Tweedie
... of Chihuahua and Sonora [now Arizona. S. M.] are chiefly sulphuret (lead or iron), or native silver in porphyritic or stratified limestone rocks passing at greater depths into igneous rocks. From loose piles lying upon the surface and evidently picked over, I procured specimens of silver and copper. Three samples representing points on the line of our exploration about equi-distant from each other, ...
— Memoir of the Proposed Territory of Arizona • Sylvester Mowry
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