igneous

• In support of this igneous origin of the earth, Mairan and Buffon cited already the high temperature of deep mines, and, among others, those of the mines of Giromagny. —  Biographies of Distinguished Scientific Men
• The sedimentary rocks had given place to some kind of igneous formation. —  SICK HEART RIVER
• We had reached the village of Hassane, opposite to a conical hill named Chisulwe, which is on the south side of the river, and evidently of igneous origin. —  The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume I
• Thus endless is the accumulation of geological and geographical results slowly brought about by this one cause--the contraction of the Earth When we pass from the agency which geologists term igneous, to aqueous and atmospheric agencies, we see the like ever growing complications of effects. —  Essays on Education and Kindred Subjects Everyman's Library
• The Metamorphic Rocks are sometimes described as "Aqueo-igneous," since both water and fire helped in the forming of them It was at one time believed, as a matter of certainty, that granite and such rocks belonged to a period much farther back than the periods of the stratified rocks. —  Young Folks' Library, Volume XI (of 20) Wonders of Earth, Sea and Sky

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