Subject ASC0001n8k

The Quarterly journal of the Geological Society of London.
v.54 (1898), Page 116 (1845)
Smithsonian Libraries
BHL Page 35589789

Keywords

Rock Ryromeride Boulay Bay quartz rock pyromeride gas-vesicles diagrams microscopic view mineral pyromeridal rock boulay bay gas Pyromeride Quartz Boulay Bay Pyromeridial rock Boulay Bay Elongated gas-vesicles

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