Uploaded on:
26/12/2012 10:33:39
Type:
Digital Asset
File Size:
219.18 KB
Dimensions:
999 x 781 pixels
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P number: P805733
Caption: Aust Cliff. Bristol Excursion, April 22nd 1919.
Description: This cliff section exposed on the bank of the Severn at Aust shows in every detail the gradual passage from beds of Triassic age to those of the Jurassic system. The colour of these marls is due to the particular oxide of iron they contain. The Red marl having ferric oxide Fe2O3 while the green and blue have ferrous oxide FeO. Added note:Tea Green Marls, Red marls.
Copyright statement: NERC
Additional information: From the Geologists' Association Carreck Archive. The Reader Geological Photographs Long Excursions 1919.
Orientation: Landscape
Size: 219.18 KB; 999 x 781 pixels; 85 x 66 mm (print at 300 DPI); 264 x 207 mm (screen at 96 DPI);
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Categories: Special collections/ Geologists' Association 'Carreck Archive'/ T W Reader geological photographs long excursions 1919  

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