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You are browsing the archive for 2010 September 11.

11 September 2010

Fine faulting

Check it out: In the canyon of the Jefferson River, Montana, you can find yourself some limestone (Mississippian Madison Group, I think of the Lodgepole Formation) that has seen a wee bit of faulting: And here’s an annotated copy… Both of these images are enlargeable by clicking through (twice): Note the quarter for scale: this is very fine faulting (very small offsets). The thing that struck me as cool (and …

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