Page:Transactions of the Geological Society, 1st series, vol. 3.djvu/217



A mass of chalk, extending about a furlong in the face of the cliffs, is here seen, terminated abruptly, and with every appearance of violent convulsion at both extremities. Towards the east it is underlain as well as overlain by basalt, and loses itself, forming a narrow tongue surrounded by that rock. In this quarter a portion of the chalky strata, elsewhere horizontal, exhibits a remarkable curvature. Towards the west the chalk runs far out to sea, forming a sharp and narrow point of land, of which the greatest height is about 70 feet. The isthmus which joins this point with the main land, is