Question

How long did it take for the rockys mountains to form? Also what type of fault formed the mountain chain? ​

Answer 1

100 years because that how it was made if this helps

Answer 2

Answer: The Rocky Mountains formed 80 million to 55 million years ago during the Laramide orogeny, in which a number of plates began sliding underneath the North American plate.

thrust faults

Step-by-step explanation: