ST7549 : Geological unconformity

taken 16 years ago, near to Great Elm, Somerset, Great Britain

Geological unconformity
Geological unconformity
An example of unconformity. An unconformity is a buried erosional surface separating strata of different ages; it indicates that sediment deposition was not continuous. In an angular unconformity, such as the one shown here, younger strata of sedimentary rock rest upon the eroded surface of tilted or folded older rocks.
The above description is taken from "Abrupt global events in the Earth's history: a physics perspective", 2010 Rep. Prog. Phys. 73 122801, and is the author, Gregory Ryskin's, description of the image as reproduced in that article.
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ST7549, 37 images   (more nearby search)
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Date Taken
Thursday, 19 February, 2004   (more nearby)
Tuesday, 17 January, 2006
Geological feature   (more nearby)
Subject Location
OSGB36: geotagged! ST 755 491 [100m precision]
WGS84: 51:14.4328N 2:21.1407W
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Image classification(about): Geograph (First for ST7549) · First in 5 Years (TPoint) (about)
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