SO0812 : One of the Twynau Gwynion

3 km from Pontsticill, Merthyr Tydfil/Merthyr Tudful, Great Britain

One of the Twynau Gwynion
One of the Twynau Gwynion
There are some fine examples of fractured gritstone pavement around these knolls. The pavement has developed across an outcrop of the Basal Grit - South Wales' equivalent of the Millstone Grit of the Peak and Pennines. The cracks shelter a few plants though this quartz rock weathers down only slowly and then to a very poor soil so does not support the range of plants which a limestone pavement does.
Creative Commons Licence [Some Rights Reserved]   © Copyright Alan Bowring and licensed for reuse under this Creative Commons Licence.
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SO0812   (more nearby - lo-fi)
Photographer
Alan Bowring   (find more nearby)
Image classification
Geograph (First for SO0812)
Date Taken
Saturday, 23 August, 2008   (more nearby)
Submitted
Saturday, 23 August, 2008
Category
Rock outcrop   (more nearby)
Subject Location
OSGB36: geotagged! SO 081 125 [100m precision]
WGS84: 51:48.2195N 3:20.0192W
Photographer Location
OSGB36: geotagged! SO 080 125
View Direction
EAST (about 90 degrees)
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