. Elements of geology. Geology. Cone from the Isle of Purbeck, rcsemhling the Dammar a of the Moluccas. Fitton. Sphenopteris gracilis (Fitton), from near Tunbridge Wells, a. portion of the same magnified. clay passing beneath the green-sand in various parts of Surrey, Kent, and Sussex; and if we proceed from Sussex westward to the Vale of Wardour, we there again observe the same forma- tion occupying the same relative position, and resting on the Fig. 193. Vale of Wardour. Wilts. Hants. "cam Sussex. Wealden. Wealden. oolite. (See Fig. 193.) Or if we pass from the base of the south downs i
. Elements of geology. Geology. Cone from the Isle of Purbeck, rcsemhling the Dammar a of the Moluccas. Fitton. Sphenopteris gracilis (Fitton), from near Tunbridge Wells, a. portion of the same magnified. clay passing beneath the green-sand in various parts of Surrey, Kent, and Sussex; and if we proceed from Sussex westward to the Vale of Wardour, we there again observe the same forma- tion occupying the same relative position, and resting on the Fig. 193. Vale of Wardour. Wilts. Hants. "cam Sussex. Wealden. Wealden. oolite. (See Fig. 193.) Or if we pass from the base of the south downs in Sussex, and cross to the Isle of Wight, we there again meet with the same series reappearing beneath the green- sand, and we cannot doubt that the beds are prolonged subterra- neously, as indicated by the dotted hnes in Fig. 194. Fig. 194. Isle of Wight. Hants. It has been already suggested that, during the accumulation of the green-sand, there was a gradual sinking down and sub- mersion of land, by which the wide open sea of the chalk was produced. But the position of the Wealden points still more forcibly to such a conclusion, and especially the appearances exhibited at the point of junction of the wealden, and the oolitic. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lyell, Charles, Sir, 1797-1875; Gibbes, Lewis Reeve, 1810-1894, former owner. DSI; Merrill, George P. (George Perkins), 1854-1929, former owner. DSI. Philadelphia : James Kay, Jun. and Brother ; Pittsburgh : C. H. Kay & Co.
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Keywords: ., bookauthorlyellcharlessir17, bookcentury1800, booksubjectgeology
