Uploaded on:
2009-03-18 12:18:59.0
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Digital Asset
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392.28 KB
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1000 x 750 pixels
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P number: P552951
Caption: Limestone. Shore cliff close to Bathing Pool, 0.25 mile south of Sharper Head, Berwick-on-Tweed. Berwick.
Description: A brownish-cream, compact, fine-grained crinoidal limestone, composed of a turbid mass of granular calcite, 0.01 mm, and small calcareous organic debris through which are scattered foraminifera, larger shell fragments, ostracod valves, crinoidal fragments and scarcer polyzoan and algal fragments. There are numerous spines and Calcisphaera. The rock is traversed by occasional calcite-filled fractures. Microgranular pyrites, limonite and possibly bituminous matter impregnate some of the fossil fragments. Limestone, micrograined, microfossiliferous, clastizoic, stylolitic. SL0207. Britrocks S35072. Magnification x40. Light XPL.
Date taken: Wed Jan 21 00:00:00 GMT 2004
Photographer: Sutherland, A.
Copyright statement: NERC
Additional information: Description from: Limestones of Scotland: chemical analyses and petrography. Edinburgh : HMSO, 1956.
Orientation: Landscape
Size: 392.28 KB; 1000 x 750 pixels; 85 x 64 mm (print at 300 DPI); 265 x 198 mm (screen at 96 DPI);
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