Illinois Basin
American Paleozoic depositional and structural basin / From Wikipedia, the free encyclopedia
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The Illinois Basin is a Paleozoic depositional and structural basin in the United States, centered in and underlying most of the state of Illinois, and extending into southwestern Indiana and western Kentucky. The basin is elongate, extending approximately 400 miles (640 km) northwest-southeast, and 200 miles (320 km) southwest-northeast.
Quick Facts Coordinates, Etymology ...
Illinois Basin | |
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Coordinates | 39°45′00″N 89°30′00″W[1] |
Etymology | Illinois |
Country | United States |
State(s) | Illinois, SW Indiana, W Kentucky |
Characteristics | |
On/Offshore | Onshore |
Boundaries | Kankakee Arch (NE), Cincinnati Arch (SE) Pascola Arch (S), Ozark Dome (SW) Mississippi River Arch (NW), Wisconsin Arch (N) |
Area | 80,000 sq mi (210,000 km2) |
Geology | |
Plate | North American |
Age | Cambrian-Pennsylvanian |
Stratigraphy | Stratigraphy |
Faults | New Madrid Seismic Zone, Wabash Valley Seismic Zone |
Field(s) | Coal fields |
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