- Keweenaw Fault
The Keweenaw Fault is a geological feature that bisects the
Keweenaw Peninsula of theUpper Peninsula ofMichigan . The fault is the boundary between the mid continentrift and adjacentPrecambrian terrain. The peninsula, itself, is the eastern side of a largesyncline beneathLake Superior . The western side formsIsle Royale .cite paper| first = N. King| last = Huber| title = The Geologic Story of Isle Royal National Park| publisher =United States Geological Survey | date = 1975| url = http://pubs.er.usgs.gov/usgspubs/b/b1309| accessdate = 2008-02-21]References
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