Textbook of Geology

ISBN: 9781332736584 出版年：2016 页码：453 Archibald Geikie Forgotten Books

Fig. Soul — Sandstone filling rents in the surface of an interbedded sheet or flow of porphyrite, which 18 covered with a. Bed of conglomerate. Coast of Kincardineshire. The rents have been filled in with sand before the eruption of the next flow.