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Roots of Mother Appalachia (mander.xyz)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

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https://www.cntraveler.com/story/appalachian-mountains-may-have-once-been-as-tall-as-the-himalayas

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[–] [email protected] 7 points 1 year ago* (last edited 1 year ago) (1 children)

I guess, because taller mountains need a bigger/heavier base (Mnt Everest is only a few km over it's base, stone is too brittle) and a too heavy base gets "liquid" on, or literally under the plate (it's magma underneath).

Only guessing though.

But then there's Himalaya and the whole mongolian ranges on the same plate...

Seeing it like that, we are beings of energy, existing on the thin skin of a ball of molten stone, revolving around a ball of fire.

[–] [email protected] 7 points 1 year ago

Mountain bases can support a lot. Everest is not terribly tall from its base, true, but Denali is 5500 meters from base to top and Mauna Kea rises to 10000 meters over base.

Its also a bit of an incorrect picure to think of the interior magma as a liquid. It can flow, but it can also sieze up or crack. Its an in-between, like corn starch and water.