Grenville orogeny

From Wikipedia, the free encyclopedia

You have new messages (last change).

The Grenville orogeny was an episode of mountain-building (orogeny) associated with the assembly of the ancient supercontinent Rodinia. The Grenville orogeny occurred in the late Proterozoic eon, 1300-1000 million years ago (mya), as numerous continental plates collided around the edges of North America, forming folded mountains.

In a narrow sense, the Grenville orogeny refers to the mountain ranges formed in eastern North America, from Newfoundland to North Carolina, 1100-1000 mya. In a broader sense it is used to refer to other mountain-building episodes associated with Rodinia's formation, including the Eastern Ghats ranges of India, which were formed when proto-India collided with the East Antarctica Craton.

 This geology article is a stub. You can help Wikipedia by expanding it.
Retrieved from "http://en.wikipedia.org../../../g/r/e/Grenville_orogeny.html"