simon_coleman•24d agoProlific Poster

Was convinced the basalt columns at Devil's Postpile were volcanic, but a ranger in Mammoth Lakes pointed out the glacial polish and I felt dumb.

3 comments

3 Comments

tyler_wilson24d agoTop Commenter

Exactly! That polish is the real proof. It's like the glacier took a giant sheet of sandpaper to the top of those columns. Once you see it, you can't unsee it, and you start spotting the same smoothed-out surfaces on other rocks all over the Sierra.

matthews2119d ago

Ever notice how learning one small detail can change how you see a whole bunch of other stuff?

lopez.karen24d ago

Oh man, same! I always just assumed it was all volcanic activity. Seeing that smooth polish up close totally flipped my view. It's wild how glaciers can shape rock like that. Makes you look at the whole landscape differently. I love when a simple fact completely changes how you see a place.

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