kvetcha-rdt t1_jde0866 wrote
Fuck_You_Alls t1_jdema3o wrote
Dos that mean at one point they looked like the rocky mountains and they just eroded? I always thought the Appalachians formed differently.
kvetcha-rdt t1_jdeo77f wrote
Yes, at one point they were much like the Rocky Mountains and have essentially eroded into nubs. They are incredibly old.
Fuck_You_Alls t1_jdeof9r wrote
That is mind blowing to me.
SteamworksMLP t1_jdfi214 wrote
480 million years old. That makes them about twice as old as the oldest dinosaurs.
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