Detroit River Group

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Detroit River Group Stratigraphic range: Devonian
Lucas Dolomite, upper Detroit River Group, Middle Devonian (quarry near Junction, Ohio)
Type	Group
Sub-units	Lucas Dolomite,
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 group in Michigan and Ohio. It preserves fossils dating back to the Devonian period.

References[]

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021. {{cite web}}: |author= has generic name (help)

Further reading[]

• Brian R. Pratt, Lower Devonian Stromatoporoid reefs. Formosa Reef Limestone (Detroit River Group) of Southwestern Ontario. In: Reefs, Canada and Adjacent Area, ed. by H.H.J. Geldsetzer, N.P. James and G.E. Tebbutt, Editors Canadian Society of Petroieum Geologists Memoir 13, 1989, p. 506-509
• Gilbert Klapper and, William A. Oliver, Jr., The Detroit River Group is Middle Devonian: Discussion on "Early Devonian age of the Detroit River Group, inferred from Arctic stromatoporoids". (Canadian Journal of Earth Sciences, 1995, 32(7): 1070–1073, https://doi.org/10.1139/e95-088

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