What kind of rocks make up the Interior Plateau, Rocky Mountains, and the West Coast Mountains?

By Mike on November 23, 2009, 12:50 pm

What kind of rocks make up the Interior Plateau, Rocky Mountains, and the West Coast Mountains?

sedimentary. i dont know if that is the correct spelling.

3 Responses to “What kind of rocks make up the Interior Plateau, Rocky Mountains, and the West Coast Mountains?”

1. stayin to myself says:

   November 23, 2009 at 6:32 pm

   sedimentary. i dont know if that is the correct spelling.
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2. chris c says:

   November 23, 2009 at 7:11 pm

   hard ones
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3. frank y says:

   November 23, 2009 at 7:54 pm

   really big ones
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