... Masses of euritic and porphyritic rocks intersect the granites, and a distinct formation of porphyries crowns Monte Cinto, Vagliorba, and Pertusato, the highest summits of the Niolo, covering the granite. These ... — Rambles in the Islands of Corsica and Sardinia - with Notices of their History, Antiquities, and Present Condition. • Thomas Forester
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