The Geology of the Isle of Wight. (; .)

The Geology of the Isle of Wight. (; .)

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1862 edition. Excerpt: ...from the fine specimens of O/therea incrassata (Fig. 43), formerly called by that name, which may be obtained from it in this locality. C/zara lVrzyhtii (Fig. 47), occurs abundantly throughout the Headon series, but especially in the bottom layers (N eritina bed) of the Middle Headon beds. (J. W. Salter.) The following shells were collected from the Venus bed in Colwell Bay in December 1852, by the Geological Survey: --i The marine character of the Middle Headon Beds is still more strongly marked at Whitecliff Bay, and they assume a much greater development there than at either of the before-mentioned localities. UPPER Hnanorr Bnns. The Upper Headon Beds are in part " the Upper Freshwater" of Webster, the overlying Osborne and St. Helen's series having been included by him in that formation. They consist in their highest part of brackish-water bands, abounding in Potamumyte and a large variety of Cyrena obovata. At Cliff End they contain a C3/rena, which, though usually regarded as Qz/renapulehra, appears to be distinct from that fine species. Great numbers of the Potamides margaritaceus, Sow. (C. ele ans, Desh.) occur in these beds. The shells of the Fi'eshwater limestones are the same as those of the Lower Headon beds, with the exception, perhaps, of a large Paludina, and the so-called Bulimus politus (Hydro;'e'I'a' ."z bia). Melania muricata abounds. Fig. 48.) muricata. At Headon Hill thick beds of limestone form conspicuous objects in the cliff, and are remarkable for the abundance and variety of their fossils. It is owing to the development of these limestones, and of those comprised in the lower series in this locality, that all the important limestones in the Island were formerly..."show more

Product details

  • Paperback | 48 pages
  • 189 x 246 x 3mm | 104g
  • United States
  • English
  • black & white illustrations
  • 1236848586
  • 9781236848581