Subject ASC0001e8g
The Quarterly journal of the Geological Society of London.
v.43 (1887), Page 277 (1887)
Natural History Museum Library, London
BHL Page 45996516
Keywords
geology basalt layers stratigraphy Rudely columnar Basalt sedimentary series amorphous basalt ravine gravel geological section sediment Ardtun Head Rock layers Columnar Basalt sedimentary rocks