Similar to テフラ

Geology

Dense non-aqueous phase liquid

Cenomanian-Turonian boundary event

Badlands

Irati Formation

Iridium anomaly

Uvala (landform)

Soil liquefaction

Late Devonian mass extinction

Elm Point Formation

Oil sands

Oil shale

Late Ordovician mass extinction

Carnian pluvial episode

Past sea level

Submarine landslide

Marine geology

Flame structure

Fossil

Active fault

Salt dome

Rock (geology)

Paleocene–Eocene thermal maximum

Dip (geology)