The depth of the quarry hole is deceptive, there is a tunnel entrance extreme left that is almost impossible to see. The layering effect in the rocks on the left maybe the original bedding planes prior to acquiring vertical cleavage following metamorphism into slate.
No EXIF information is available
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Keywords:cilgwyn, cymru, geology, glaciation, glaciers, ice age, nantlle, quarries, quarrying, rocks, slate, snowdonia, wales, y fron
