Similar results were obtained with regular basalts and different specimens of igneous rock. 李贝.西洋科学史.
Before Werner had begun his teaching career at Freiberg, Desmarest, the French geologist, had made a special study of the basalts of Auvergne. 李贝.西洋科学史.
Why do basalts, whin stones, and other supposedly volcanic rocks differ so much in structure from lava? 李贝.西洋科学史.