21 March 2012

More folds from the White Mountains

Posted by Callan Bentley

I know we spent time last Friday on some nice folds in the Poleta (?) Formation in the White Mountains of California, but here are a few more that I saw on my way up to the Ancient Bristlecone Pine Forest…

Some elliptical objects caught my eye:

Traced out along the plane of bedding, these turned out to be boudins of a more competent layer, which was tightly folded higher up on the same outcrop:

Those are  apparently recumbent (axial plane appears horizontal on this outcrop): not so hard to see how some of the bedding here shows structural evidence of having been inverted.