Subject ASC0000zob
The Quarterly journal of the Geological Society of London.
v.58 (1902), Page 667 (1902)
Smithsonian Libraries
BHL Page 41676190
Keywords
geology section Anglesey landscape cross-section gneiss schist transect granite Gwalchmai Craig yr Allor schmist chart map dark gneiss rock Generalised section across the central complex of Anglesey Anglesea hallaflinta earth