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Author Question: What mountain building event, which occurred about 35-55 million years ago, created the front ranges ... (Read 28 times)

Lisaclaire

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on: Aug 7, 2018
What mountain building event, which occurred about 35-55 million years ago, created the front ranges and foothills of the Rocky Mountains?
 
  A) The Laramide Orogeny
  B) The Columbia Orogeny
  C) The Gondwana Orogeny
  D) The Silurian Orogeny

Question 2

The formation of the Rocky Mountains began about 200 million years ago with the collision of the North American Plate and that other plate?
 
  A) The South American Plate
  B) The Pacific Plate
  C) The Juan de Fuca Plate
  D) The Caribbean Plate


shoemake

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Reply #1 on: Aug 7, 2018
Answer to Question 1

A

Answer to Question 2

B


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