4 ms·
That's the "hoodoo mechanism" which is also mentioned in the article: on a bigger scale, when you have a layer of harder rock on top of softer rock, you get hoo
by rob74 4y ago
That's the "hoodoo mechanism" which is also mentioned in the article: on a bigger scale, when you have a layer of harder rock on top of softer rock, you get hoodoos (also called earth pyramids or tent rocks): https://en.wikipedia.org/wiki/Hoodoo_(geology) https://en.wikipedia.org/wiki/Hoodoo_(geology)
- l0b0 4y agoNice, TIL. I wonder if there's a name for these ephemeral sand formations, as hoodoos seem to be more permanent.