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Detroit River Group | |
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Stratigraphic range: Devonian | |
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Type | Group |
Sub-units | Lucas Dolomite, Formosa Reef Limestone |
Underlies | Dundee Limestone and Traverse Formation |
Overlies | Holland Quarry Shale and Wabash Formation |
Location | |
Region | Indiana, Michigan and Ohio |
Country | United States |
The Detroit River Group is a geologic groupinMichigan and Ohio. It preserves fossils dating back to the Devonian period.
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