Stonington Formation

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Stonington Formation
Stratigraphic range: Late Ordovician
Type Formation
Unit of Richmond Group (geology)
Sub-unitsOgontz Member and Bay de Noc Member
Underlies Big Hill Formation
Overlies Bill's Creek Shale
Location
Region Michigan
Country United States

The Stonington Formation is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period.

See also

References