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26/12/2012 10:04:41
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P number: P804473
Caption: The Great Cleft is a fissure running parallel to the face of the cliff thus cutting off a thick slide of rock. Excursion to Lyme Regis, June 2nd 1914.
Description: The crack first started in 1886 and had gradually widened year by year but rather more rapidly of late than at first. The base is cut in Upper Greensand the cherty nature of which is is [sic] well seen. Next comes the Lower Chalk about 3ft thick and then White Chalk of the zone of Rhynchonella cuvieri 60 feet thick followed by 71 feet of Terebratulina gracilis zone.
Copyright statement: NERC
Additional information: From the Geologists' Association Carreck Archive. The Reader Geological Photographs. Long excursions 1914. Part 2.
Orientation: Portrait
Size: 240.19 KB; 771 x 999 pixels; 65 x 85 mm (print at 300 DPI); 204 x 264 mm (screen at 96 DPI);
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Categories: Special collections/ Geologists' Association 'Carreck Archive'/ T W Reader geological photographs, long excursions 1914. Part 2  


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