Subject ASC0001o7r
The Quarterly journal of the Geological Society of London.
v.27 (1871), Page 419 (1845)
Smithsonian Libraries
BHL Page 35591118
Keywords
map Guiana British Guiana Guyana geology South America Orinoco Cameroon british guinea british guinea scale alluvium sandstone formation metamorphic rock series quartz porphyry granite syenite greenstone dyke vein SKETCH MAP GEOLOGY OF BRITISH GUIANA