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Jason C
Lv 4
Jason C asked in Science & MathematicsEarth Sciences & Geology · 1 decade ago

Rock Base of Pacific Maritime (or Western Cordillera)?

I need to know whether the rock base of this area is either:

Sedimentary

Igneous

or Metamorphic.

Thanks for your help, educated responses only please :)

1 Answer

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  • naturalplastics
    Lv 4
    1 decade ago
    Favorite Answer

    ooh tough one!

    The western Cordillera encompasses the rocks along the subducting plate boundry in the northwestern US, canada, as well as 'batholiths' and stocks in Idaho and California.

    Long story short, it's Igneous.

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