Metadata
Author: WikiMatrix
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English[en]
In 1763 he made observations in Auvergne, recognizing that the prismatic basalts were old lava streams, comparing them with the columns of the Giant's Causeway in Ireland, and referring them to the operations of extinct volcanoes.
Spanish[es]
En 1763 hizo observaciones en Auvernia, reconociendo que los basaltos prismáticos eran antiguas corrientes de lava, comparándolas con las columnas de la Calzada del Gigante de Irlanda, atribuyéndolos a antiguos volcanes extintos.