Subject ASC00011p7
The Quarterly journal of the Geological Society of London.
v.56 (1900), Page 235 (1900)
Smithsonian Libraries
BHL Page 41487559
Keywords
geology Wales rocks stratigraphy faulted syncline northern Anglesey Llanlliana Head landscape section Llanlliana Ynys Badrig Port Llanlliana basal conglomerates basal beds quartzite fossils calcareous beds Llanbadrig Series snake shale blue sandy shale