Elements of geology, or, The Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments elementsofgeolog00lyel Year: 1868 . J nai, size Portland Stone. Fie. 354. Ostrea expansa. Portland Sand. these shales, which contain ammonites, oysters, and other marine shells, the bitumen may perhaps be of animal origin. Among the characteristic fossils may be mentioned Carclium stria- tulum (rig. 385) and Ostrea deltoklea (fig. 386), the latter found in the Kimmeridge clay throughout England and the north of France, and also in Scotland, near
Elements of geology, or, The Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments elementsofgeolog00lyel Year: 1868 . J nai, size Portland Stone. Fie. 354. Ostrea expansa. Portland Sand. these shales, which contain ammonites, oysters, and other marine shells, the bitumen may perhaps be of animal origin. Among the characteristic fossils may be mentioned Carclium stria- tulum (rig. 385) and Ostrea deltoklea (fig. 386), the latter found in the Kimmeridge clay throughout England and the north of France, and also in Scotland, near Brora. The Gryphcea virgula (tig. 387), Fiff. 355. Fig. 3S6. Fisr. 3S7.
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