Block-Faulting in the St. Croix Valley
Eunice Peterson
Abstract
Eunice Peterson
Abstract
The recent discovery of a block-fault with vertical displacement of several hundred feet in the rarely disturbed Paleozoic rocks of the Upper Mississippi Valley is reported, and the faulted area described. The age of the faulting is problematical.
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The recent discovery of a block-fault with vertical displacement of several hundred feet in the rarely disturbed Paleozoic rocks of the Upper Mississippi Valley is reported, and the faulted area described. The age of the faulting is problematical.
Key concepts: Geology, Block (permutation group theory), Paleozoic, Fault (geology), Seismology, Fault block, Paleontology, Displacement (psychology)