Subject ASC0001kgt
The Quarterly journal of the Geological Society of London.
v.16 (1860), Page 245 (1860)
Smithsonian Libraries
BHL Page 35428012
Keywords
crater tufa lava molten markings cooled mass plain Turfa-crater lake swamp diagram tufa-crater concentric. cooling molten. molten matter molten rock geologic Tufa-crater geological society geology