Volume 3

Principles of geology, being an attempt to explain the former changes of the earth's surface, by reference to causes now in operation / By Charles Lyell, esq.

  • Lyell, Charles, Sir, 1797-1875.
Date:
1830-1833
Catalogue details

Licence: Public Domain Mark

Credit: Principles of geology, being an attempt to explain the former changes of the earth's surface, by reference to causes now in operation / By Charles Lyell, esq. Source: Wellcome Collection.

    112/562 (page 74)
    [Ch. VI. highly inclined. The calcareous schists, on which part of the town of Lentini is built, are much fractured, and dip at an angle of twenty-five degrees to the north-west. In some of the valleys in the neighbourhood an anticlinal dip is seen, the beds on one side being; inclined to the north-west, and on the other to the south-east. Throughout a considerable part of Sicily which I examined, the dips of the tertiary strata were north-east and south-west; as, for example, in the district included between Terranuova, Girgenti, Caltanisetta, and Piazza, where there are several parallel lines, or ridges of elevation, which run north-west and south-east.