'A cauldron subsidence is when a mass of solid rock sinks into a pool of this subterranean molten rock'
magma
GEOLOGY: A cauldron subsidence is when a mass of solid rock sinks into a pool of this subterranean molten rock
A cauldron subsidence is when a mass of solid rock sinks into a pool of this subterranean molten rock
A cauldron subsidence is when a mass of solid rock sinks into a pool of this subterranean molten rock
GEOLOGY
magma
GEOLOGY