Detroit River Group

Geology

Formations: Lucas (5), Sylvania Sandstone (1)

Lithologies: sandstone (1), "limestone" (3), dolomite (2)

Paleoenvironments: carbonate indet. (5), transition zone/lower shoreface (1)

Age range: base of the Emsian to the top of the Eifelian or 407.60000 to 387.70000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Emsian407.6 - 393.3USA (Ohio) (222794)
Eifelian393.3 - 387.7USA (Ohio) (102525)
Eifelian393.3 - 387.7Canada (Ontario) (102528 102529)
Eifelian393.3 - 387.7USA (Michigan) (102527 184019)