The story
Coined by geologist Archibald Geikie in 1884.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A type of reverse fault in which the angle that the hanging wall makes with the horizontal is less than 45 degrees. Full definition →
Coined by geologist Archibald Geikie in 1884.
Etymology from Wiktionary, CC BY-SA 4.0.