Ignimbrite
- John Seach
Fiery raincloud
rocks
Ignimbrites
are poorly sortedpyroclastic rocks consisting of glass shards, crystals
and lithic fragments.
Ignimbrites
are formed by the deposition of hot, rapidly expanding, turbulent magmatic
gases.
Ignimbrites
have a volume of 1 cubic km to 2000 cubic km.
3 causes
of Ignimbrites
1) glass-dust
or ash emulsion
2) nuée
ardente
3) Pyroclastic
flow
Other names
for Ignimbrites
Ash flow sheet
Ash flow cooling
unit
Ignimbrite
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Copyright John Seach