So what is this called?
It looks like volcanic tuff, which is found troughout the Copper Canyon area of Mexico & also near here in Yellowstone area.
http://en.wikipedia.org/wiki/Tuff
So it looks like you have a tuff fold
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So what is this called?
Scott McCrea wrote:hewhocaves wrote:here's another fun fold - this one in gneiss
So, did you have another picture of a fun fold? Or cleavage pictures are always fun.
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