noun
catastrophism
Geological theory that Earth's features were shaped by sudden, violent events rather than gradual processes. Contrasts with 斉一説 (uniformitarianism).
天変地異説は、かつて地質学で有力だった考え方だ。
Catastrophism was once a dominant idea in geology.
天変地
Catastrophism and uniformitarianism conflict over how to view Earth's history.