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Recurrent faulting in the vicinity of Reelfoot Lake, northwestern Tennessee

Journal Article · · Geol. Soc. Am., Bull.; (United States)
Reelfoot Lake in northwestern Tennessee was the site of considerable ground motion at the time of the 1811 to 1812 New Madrid earthquakes. Thirty-two kilometers of conventional seismic-reflection profiling in the vicinity of the lake has revealed the existence of many faults. Most significant are two high-angle faults with 0 to 60 m of vertical offset at the contact of the Late Cretaceous embayment sediments and Paleozoic bedrock. One fault is associated with the scarp on the western edge of Reelfoot Lake, and the other, with a major northeast-trending lineament that passes through the town of Ridgely, Tennessee, and near the southeast edge of Reelfoot Lake. The nature of the observed vertical offsets suggests recurrent motion on faults of Late Cretaceous, or older, age. 5 figures, 1 table.
Research Organization:
Geological Survey, Menlo Park, CA
OSTI ID:
6805752
Journal Information:
Geol. Soc. Am., Bull.; (United States), Journal Name: Geol. Soc. Am., Bull.; (United States) Vol. 90:2; ISSN BUGMA
Country of Publication:
United States
Language:
English

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