Permian-Triassic extinction
Guadalupian
Triassic-Jurassic extinction event
Siderian
Lopingian
Permian-Triassic mass extinction
Great Dying
Rhyacian
Tonian
Ectasian
Carboniferous period
Carboniferous
coal gap
Cisuralian
Paleozoic era
Paleozoic
Phanerozoic
Zechstein
volcanotectonic
Miocene
paleovolcanology
Cryogenian
Triassic
Orosirian
vulcanise
Permo-Carboniferous
vulcanize
Triassic period
Devonian
Stenian
Age of Reptiles
Mesozoic era
End-Permian Extinction
Mesozoic
Roadian
Changhsingian
Wordian
Capitanian
Wuchiapingian
Asselian
Artinskian
Ediacaran
Sakmarian
Smithian
Kungurian
Jurassic
Precambrian period
Phanerozoic aeon
Paleoproterozoic
Precambrian
Permian
Phanerozoic eon
New Red Sandstone
Precambrian eon
Precambrian aeon
Calymmian
Statherian
cryogenesis
malapi
Eocene
paleovolcano
-cene
recent
Cenomanian
Stennian
volcanogenic
volcanotectonics
Wenlock
volcanogenically
Coniacian
archicontinent
Mount Pinatubo
Aquitanian
Messinian salinity crisis
Tertiary period
Permian period
age of extinction
preperoxisomal
Ordovician
posteruption
Tertiary
Pinatubo
Hadean
Tithonian
dinosaur
Mesoarchean
anomalistic year
Ludlow
Palaeophytic
Carnian
tertiary
neovolcanic
hylaeosaurus
Furongian
neoglaciation
volcanic