SH6613 : Igneous outcrop

taken 7 years ago, near to Arthog, Gwynedd, Great Britain

Igneous outcrop
Igneous outcrop
Detailed view of the outcrop LinkExternal link near the Carreg-y-Big standing stone. This rock was formed by a volcanic eruption about 450 million years ago. The magma contained large amounts of gases, which were released explosively when reaching the surface, leaving the rock to solidify into many small fragments. This is part of the Ordovician Llyn-y-Gafr formation.
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SH6613, 34 images   (more nearby )
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Date Taken
Wednesday, 20 April, 2011   (more nearby)
Monday, 12 March, 2012
Geographical Context
Geological interest  Rocks, Scree, Cliffs 
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Subject Location
OSGB36: geotagged! SH 6615 1382 [10m precision]
WGS84: 52:42.3270N 3:58.9502W
Camera Location
OSGB36: geotagged! SH 6615 1382
View Direction
NORTH (about 0 degrees)
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Other Tags
Outcrop  Igneous  Volcanic  Ordovician 

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Image classification(about): Geograph
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