Publisher's Synopsis
Excerpt from Principles of Geology, Vol. 1 of 3: Being an Attempt to Explain the Former Changes of the Earth's Surface, by Reference to Causes Now in Operation
Difference between the transporting power of springs and rivers - Many springs carry matter from below upwards - Mineral ingredients most abun dant in springs - Connexion of mineral waters with volcanic phenomena Calcareous springs - Travertin of the Elsa - Baths of San Vignone, and of San Filippo, near Radicofani - Spheroidal structure in travertin, as in Eng lish magnesian limestone - Bulicami of Viterbo - Lalre of the Solt'atara.
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