2014

SY7781 : View of White Nothe Cliffs looking towards Ringstead Beach, Dorset

taken 9 years ago, near to Holworth, Dorset, England

View of White Nothe Cliffs looking towards Ringstead Beach, Dorset
View of White Nothe Cliffs looking towards Ringstead Beach, Dorset
The part of White Nothe seen here was subject to massive historical landslides, where the Cretaceous Chalk and Greensand slid over the earlier, underlying layer of Jurassic Kimmeridge Clay.

Cretaceous Chalk and Greensand are permeable rock, so water filters through them until it reaches the Kimmeridge Clay, which is impermeable to water. In the past, when the permeable sediments became saturated and heavy, and water oozed between them and the impermeable Kimmeridge Clay, the soft clay crumbled from the weight, and the overlying Cretaceous rocks started to crack and slip down the slope of clay. The water acted as a lubricant between the layers, contributing to the landslide seen in the picture.

Creative Commons Licence [Some Rights Reserved]   © Copyright Edmund Shaw and licensed for reuse under this Creative Commons Licence.
Geographical Context: Coastal Geological interest Uplands Grassland Estuary, Marine Primary Subject: Cliff
1:50,000 Modern Day Landranger(TM) Map © Crown Copyright
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1:50,000 Modern Day Landranger(TM) Map © Crown Copyright
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SY7781, 29 images   (more nearby 🔍)
Photographer
Edmund Shaw   (more nearby)
Date Taken
Wednesday, 10 September, 2014   (more nearby)
Submitted
Monday, 15 September, 2014
Subject Location
OSGB36: geotagged! SY 7715 8103 [10m precision]
WGS84: 50:37.7110N 2:19.4651W
Camera Location
OSGB36: geotagged! SY 7717 8102
View Direction
West-northwest (about 292 degrees)
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Image classification(about): Geograph
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