An orogeny is:
A) the formation of mountains or the time period during which tectonic activity causes deformation and forms mountains
B) the subsidence of a continent under the weight of continental glaciation during an ice age
C) a cycle of erosion and deposition during which large areas of horizontal sedimentary rock are created
D) a unit of geologic time which is longer than an epoch, but shorter than a period

Question

Quizplus · Accepted Answer

An orogeny refers to the process of mountain formation, especially through the mechanisms of plate tectonics involving the deformation of the Earth's crust. This can occur over a significant period during which tectonic plates collide, causing the crust to fold, fault, and form mountain ranges.

An Orogeny Is