An episode of mountain building is known as a(n) ...

[sc00by25]

An episode of mountain building is known as a(n) ___________________ _. Fill in the blank(s) with the appropriate word(s).

Question 2

In a(n) ___________________ _, the youngest rocks are in the center, and the oldest are on the outside.
  In a(n) ___________________ _, the oldest rocks are in the center, and the youngest are on the outside.

[lucas dlamini]

Answer to Question 1

orogeny

Answer to Question 2

basin, dome

[sc00by25]

Gracias!

[nyrave]

Thanks for the timely response, appreciate it