Subject ASC0001337
The Quarterly journal of the Geological Society of London.
v.50 (1894), Page 596 (1894)
Smithsonian Libraries
BHL Page 39089398
Keywords
Quartz conglomerate Felsitic grit Banded argillite Purple Slate Caernarvonshire x section of Moel Goronwy - geology quartz-felsite grit argillite purple slate geology Moel Goronwy