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Mystery: 50-million-year-old LBN Parkway geology question

2017-06-07 - Metcalfe Co., KY - Photo by Pen.
The photo was a taken just inside Metcalfe County on the Cumberland Parkway heading west from Adair County. Most of the cuts of exposed rock along the parkway show a generally consistent horizontal layering. In the cut in this photo, just above the school bus is a line where the layers are greatly compressed.

We're hoping that someone with more than 1 roommate hour* of college Geology will be able to confirm if this is a sign of some interesting geological event in the distant past.

*Roommate hour: Gained in college not by actually participating in a class oneself, but by having a roommate talk about their participation in a class. Pre-google, this was enough to bestow authority on a subject for an entire afternoon's holding forth in a bar or coffeeshop. - PEN
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