The last major mountain building event to affect the Appalachian region was the ________________________.

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22-07-2022
Geography

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The last major mountain building event to affect the Appalachian region was the ________________________.

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okpalawalter8 okpalawalter8 · Answer 1 · 2022-07-28T21:38:43+02:00

The last major mountain building event to affect the Appalachian region was the Allegheny Orogeny (277): Late Paleozoic episodes of mountain building along the present trend of the Appalachian Mountains. Likely caused by the collision, occurring during the Late Carboniferous, of northwest Africa and the southern part of the Appalachian belt. This is further explained below.

What is Allegheny Orogeny?

Generally, The Alleghenian orogeny was an event that took place nearly exclusively during the Permian Period (299 million to 251 million years ago) and was responsible for the formation of the Appalachian Mountains.

In conclusion, The Allegheny Orogeny (277), which refers to events of mountain construction during the Late Paleozoic that occurred along the current trend of the Appalachian Mountains, was the most recent significant mountain-building event that occurred in the Appalachian area. It is most likely that this event was triggered by the collision that took place during the Late Carboniferous between northwest Africa and the southern half of the Appalachian belt.