>>306056> do not research on 4chanGood advice! There is altogether too much of that on /out/. "What is a knife used for?", "Are these good boots?", "Should I ask a grrl to hike /out/?"...
I rezpect you not copypasta. It's all out there already.
Btw, "basin and range" is typical of continental drift "stretching" the actual crust until faults filled with upwelling magma and cooled inplace. The basins then eroded "around" the hard basalt, which remained and became ranges, over time and stuff...
From NM, AZ, UT to NV. All the way to the Sierras, really.
I will look.
Challenge: oldest exposed crustal rock on Earth?
Now you.
