Oh, now, the tower is trashed. Golf ball hail will grind phonolite porphyry into sand in no time. 😊
Actually, no, phonolite porphyry, the material Devil’s tower is made of, is super strong, nothing will do damage to it in human time scale. It stands there 50 million years, it will a lot longer.
The tower is popular among rock climbers, but not accessible to normal people. You need to be pretty good and have good equipment, to get to the top.
It was like that before, it will stay like this for long time.
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Most igneous rocks are pretty robust. Especially intrusives like granite.