2008

TG1943 : Chalk rafts below Wood Hill

taken 16 years ago, near to East Runton, Norfolk, England

Chalk rafts below Wood Hill
Chalk rafts below Wood Hill
The white chalk rafts seen in the cliff section on the approach to and directly below Wood Hill > Link were shaped by ice, raising up to 40 metres above beach level. The chalk is composed of calcium carbonate from the remains of microscopic marine organisms that once lived in a warm shallow sea which covered this area between 62 and 132 million years ago. Layers of flint pebbles can be seen embedded in the chalk. The layer above is the so-called Cromer Stone Bed, covered by Weybourne Crag, outcrops of which can be seen on the foreshore near East Runton Gap and also by Wood Hill, further to the west > Link. Weybourne Crag dates from about 2 million years ago; it is composed of grey shelly sands that sit on top of a bed of flints, pebbles and shells. Often the crag and stone layers are cemented together by iron pan, giving the deposit a reddish colour. LinkExternal link (Archive LinkExternal link )
LinkExternal link (Archive LinkExternal link )

Creative Commons Licence [Some Rights Reserved]   © Copyright Evelyn Simak and licensed for reuse under this Creative Commons Licence.
Category: Geological feature
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TG1943, 63 images   (more nearby 🔍)
Photographer
Evelyn Simak   (more nearby)
Date Taken
Wednesday, 7 May, 2008   (more nearby)
Submitted
Thursday, 8 May, 2008
Subject Location
OSGB36: geotagged! TG 195 430 [100m precision]
WGS84: 52:56.3723N 1:15.9781E
Camera Location
OSGB36: geotagged! TG 195 430
View Direction
South-southeast (about 157 degrees)
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Image classification(about): Geograph
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