SH4987 : Calcrete

taken 7 years ago, near to Brynrefail, Isle of Anglesey/Sir Ynys Mon, Great Britain

Calcrete
Calcrete
The grey lumps in this red sandstone are calcretes, also called caliche. They form in semi-arid environments by precipitaion of calcium carbonate as the water evaporates off. They are therefore a good indicator of the climate conditions when this rock was forming.
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SH4987, 67 images   (more nearby )
Photographer
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Date Taken
Wednesday, 19 May, 2010   (more nearby)
Submitted
Wednesday, 30 June, 2010
Category
Geological feature   (more nearby)
Subject Location
OSGB36: geotagged! SH 4936 8789 [10m precision]
WGS84: 53:21.9808N 4:15.9261W
Camera Location
OSGB36: geotagged! SH 4936 8789
View Direction
WEST (about 270 degrees)
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