Jüri Ratas Geologic formation in Michigan The Cordell Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period.[2] References ^ "Michigan Basin Stratigraphy on ResearchGate". ^ "Middle Silurian paleoecology; The Raber Fossil Beds, Chippewa County, Michigan, on Geological Society of America Centennial Field Guide—North-Central Section, 1987" (PDF). Earth sciences portalMichigan portalPaleontology portal Chronostratigraphy of MichiganPhCzQPleistoceneindet.Glacial tillMzJindet. Ionia Formation PzC⁋ Grand River Formation Saginaw Formation indet. Parma Sandstone M Bayport Limestone Coldwater Shale Marshall Sandstone Sunbury Shale DUpperindet. Antrim Shale Bedford Shale Berea Sandstone Ellsworth Shale Frasnian Squaw Bay Limestone MiddleGivetian Squaw Bay Limestone Alpena Limestone Amherstburg Formation Anderdon Limestone Bell Shale Bois Blanc Formation Dundee Limestone Ferron Point Formation Long Lake Limestone Lucas Formation Rockport Quarry Limestone Rogers City Limestone Sylvania Sandstone Thunder Bay LimestoneLower Garden Island Formation Sindet. Bertie Formation Byron Formation Bush Bay Formation Cordell Formation Hendricks Formation Lime Island Formation Pointe aux Chenes Formation Put-in-Bay Dolomite Raisin River Dolomite Rapson Creek Formation Rockview Formation Salina Group Schoolcraft Formation St. Ignace Dolomite Llandovery Cabot Head Shale Manitoulin Dolomite OUpperSandbian Bill's Creek Shale Big Hill Formation Stonington FormationMiddleDarriwilian Bill's Creek Shale Black River Formation Collingwood Shale Trenton FormationLower Au Train Formation Є Munising Formation pЄ♇ Copper Harbor Conglomerate Freda Sandstone Jacobsville Sandstone Nonesuch Shale No tags for this post. Navigeerimine Mihhail VellerKaja Kallas
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