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Sergeeva-Olga [200]
3 years ago
13

Describe the different tectonic provinces of the Southern Appalachians, including the different rocks found within them, where t

hey originated, and how they were affected by tectonic collision. Also identify younger examples of these provinces in the Western U.S.
Geography
1 answer:
Aleksandr-060686 [28]3 years ago
8 0

Answer:

There are several tectonic provinces collectively called as crystalline providences.

Explanation:

  • The geology of Appalachians consists of Blue Ridge, Piedmont, Adirondack, and the New England providences. They are known as Crystalline provinces.
  • The sinking of the oceans continued about 270 million year ago due to which a huge mass of rocks was pushed westwards along the margins of North America and piled up to form the mountains.
  • The Sierra Nevada is the youngest mountain range on the west coast of the United States.
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