State | Michigan |
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Name | Dacite and volcanogenic graywacke |
Geologic age | Early Proterozoic |
Lithologic constituents | Major
Igneous > Volcanic > Felsic-volcanic > Dacite (Flow)dacite, volcanogenic graywacke, andesite tuff
Igneous > Volcanic > Mafic-volcanic > Andesite (Pyroclastic-tuff)dacite, volcanogenic graywacke, andesite tuff
Sedimentary > Clastic > Sandstone > Graywacke (Tuffaceous)dacite, volcanogenic graywacke, andesite tuff
|
Comments | Pembine-Wausau terrane. This unit also occurs as a thin sliver in northwestern Michigan, just south of the Niagara Fault. |
References | |
NGMDB product | |
Counties | Menominee |