Subject ASC0003shh
The geological magazine, or, Monthly journal of geology.
[Decade 1]:v. 8 (1871), Page 346 (1871)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32578637
Keywords
Geology basalt Basaltic columns Giant's Causeway Geological Society Somerset House lava columnar basalt Auvergne Staffa Antrim New Zealand volcanoes volcanic eruptions pressure geology igneous column