Subject ASC0001e1a

The Quarterly journal of the Geological Society of London.
v.49 (1893), Page 448 (1893)
Natural History Museum Library, London
BHL Page 45959088

Keywords

Bedded grit slate geology Pale Slates stratification cross section geologic section unconformity conglomerates and grits felsite cambrian beds bedded grits grits slates conglomerate beds detrius T Bigl post-Llanberis conglomerates geological section

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