P number: | P552697 |
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Caption: | Long Craig Upper Limestone (probably). Quarry at Harelaw Limeworks, Longniddry station. East Lothian. |
Description: | A compact, brownish-grey limestone composed of well-assorted fragments of crinoids, shells, polyzoa, spines and a few foraminifera and Calcisphaera in a fine matrix of calcite, 0.005 - 0.02 mm grain. Silica is present as chalcedonic filling in scarce, small limy pebbles. Pyritic replacement or infilling of polyzoan and foraminiferal tests is common. Limestone, pelitomorphic to micrograined, microfossiliferous, clastizoic. SL0065. Britrocks S34554. Magnification x40. Light PPL. |
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: | 354.12 KB; 1000 x 750 pixels; 85 x 64 mm (print at 300 DPI); 265 x 198 mm (screen at 96 DPI); |
Average Rating: | Not yet rated |
Categories: | Unsorted Images |
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