SO0711 : Pwll Morlais

taken 3 years ago, near to Pontsticill, Merthyr Tydfil/Merthyr Tudful, Great Britain

This is 1 of 3 images, with title Pwll Morlais in this square
Pwll Morlais
Pwll Morlais
After the largely dry summer of 2014, Pwll Morlais is encountered by the lone walker and the odd sheep as a rocky hollow with a green floor as vegetation has taken hold in the peaty mud which had settled to the bottom of the pool. The autumn and winter rains, forecast to arrive this next weekend should eventually fill it once again. This fine sinkhole is located at the upper boundary of the Twrch Sandstone ('Basal Grit') where it is overlain by the Bishopston Mudstone (Middle Shale'). The limestone should not be too far below.
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SO0711, 5 images   (more nearby )
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Date Taken
Sunday, 28 September, 2014   (more nearby)
Tuesday, 30 September, 2014
Geographical Context
Geological interest  Rivers, Streams, Drainage 
Primary Subject of Photo
Subject Location
OSGB36: geotagged! SO 0759 1117 [10m precision]
WGS84: 51:47.4914N 3:20.4762W
Camera Location
OSGB36: geotagged! SO 0759 1119
View Direction
South-southeast (about 157 degrees)
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Image classification(about): Geograph
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