Subject ASC0001hm5
The Quarterly journal of the Geological Society of London.
v.5 (1849), Page 8 (1849)
Smithsonian Libraries
BHL Page 35268640
Keywords
geological cross-section layers stone flaggy greywacke conglomerates graptolites shales and slates thick-bedded grewacke pink syenite granite wigtonshire fossil map landscape rocks cross-section geology fossil beds slate shale underwater formations Corswall Galloway Irish Channel fossils syenite Corswall lighthouse graphtoloites Mytilus greywacke cairngarroch Grennan slates Mull of Galloway Mull of Galloway. Corswall lighthouse granite shale slate graptolites