Stratigraphic Nomenclature for Michigan
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GEOLOGIC TIME OUTCROP NOMENCLATURE DOMINANT LITHOLOGY SUBSURFACE NOMENCLATURE NORTH STRATIGRAPHIC ERA PERIOD EPOCH AMERICAN GROUP FORMATION MEMBER FORMATION GROUP STAGES Wisconsinan Glacial Drift Glacial Drift Cenozoic Quaternary Pleistocene NOMENCLATURE Mesozoic Jurassic Middle Oxfordian Ionia Fm Ionia Fm Late Conemaugh Grand River Fm Grand River Fm FOR MICHIGAN Saginaw Fm Saginaw Fm Early Pottsville ? ? ? ? ? ? Pennsylvanian Parma Ss Parma Ss Michigan Dept. of Environmental Quality ? ? ? ? ? ? Geological Survey Division Bayport Ls Bayport Ls Late Meramecian Harold Fitch, State Geologist Michigan Fm Michigan Fm and Osagian Marshall Ss Marshall Ss Michigan Basin Geological Society Early Coldwater Sh Coldwater Sh EO Mississippian L N G OG Kinderhookian SI IC A A Sunbury Sh Sunbury Sh B L N S A O C G I I E H T Berea Ss Berea Ss C I Ellsworth Sh Y Ellsworth Sh M (eastern) (western) (eastern) Bedford Sh (western) Bedford Sh 1936 Chautauquan Upper Mbr Upper Mbr Stratigraphic Nomenclature Project Committee: Late Lachine Mbr Lachine Mbr Dr. Paul A. Catacosinos, Co-chairman Antrim Sh Antrim Sh Paxton Mbr Paxton Mbr Mr. Mark S. Wollensak, Co-chairman Norwood Mbr Norwood Mbr Principal Authors: Senecan Squaw Bay Ls Squaw Bay Ls Dr. Paul A. Catacosinos Dr. William B. Harrison III Partridge Point Mbr Mr. Robert F. Reynolds Thunder Bay Ls Potter Farm Mbr Dr. David B.Westjohn Mr. Mark S. Wollensak Norway Point Mbr Four Mile Dam Mbr 2000 Alpena Ls Newton Creek Mbr Traverse Gr Traverse Ls Traverse Gr Erian Acknowledgements Killians Mbr Long Lake Ls This work is the product of the combined efforts of the geological communities Genshaw Mbr of Michigan and the surrounding states and provinces. Below are given just a Devonian representative few of the contributors: Ferron Point Fm Middle Academia: Dr. Aureal T. Cross, Michigan State University; Dr. Robert H. Dott, Jr., Rockport Quarry Ls University of Wisconsin; Mr. William D. Everham, Ph.D. Candidate, Michigan Technological University. Bell Sh Bell Sh Government: Dr. Terry R. Carter, Ontario Ministry of Natural Resources; Rogers City Ls Mr. John M. Esch, Michigan Department of Environmental Quality; Dr. Brian D. Keith, Dundee Ls Indiana Geological Survey; Mr. Lawrence H Wickstrom, Ohio Geological Survey. Dundee Ls Industry: Mr. Donald J. Bailey, Consultant; Mr. Jimmy R. Myles, Scot Energy; Anderdon Ls Mr. Dan E. Pfeiffer, Pfeiffer Exploration Services. Lucas Fm Lucas Fm A complete listing of all contributors will be found in the Stratigraphic Lexicon for Detroit River Gr Detroit River Gr Michigan, of which this column is an integral part. Amherstburg Fm Amherstburg Fm Ulsterian Sylvania Ss Sylvania Ss Bois Blanc Fm Bois Blanc Fm RELATED TERM CORRELATION Early Garden Island Fm Garden Island Fm STRATIGRAPHIC RELATED TERMS Rasin River Dol Breccia Mackinac Mackinac Breccia Mackinac POSITION Bass Islands Gr Put-in-Bay Dol undifferentiated Bass Islands Gr Ionia Fm Jurassic Red Beds St. Ignace Dol Clare Dolomite, Brown Lime, Stray Dolomite, Salina G Unit Michigan Fm Stray Sandstone, Stray-Stray Sandstone, Stray-Stray-Stray Sandstone, Triple Gyp Paleozoic Salina F Unit Coldwater Sh Coldwater Red Rock, Speckled Dolomite, Salina E Unit Wier Sand Antrim Sh Charlton Black Shale Member, Elltrim, Salina D Unit Late Cayugan Chester Black Shale Member, Upper Black Shale, Light Antrim, Lower Black, Lower Antrim Salina C Unit Salina Gr Pte. aux Chenes Middle Antrim, Middle Gray Antrim, Dark Antrim, Middle Gray Shale, Unit 1A, Unit 1B, Unit 1C, Fm Salina B Unit Salina Gr Crappo Creek Grey Shale Member Salina A-2 Carb Dundee Ls Reed City Member/Dolomite/Anhydrite Salina A-2 Evap Lucas Fm Freer Sandstone, Horner Member, Iutzi Member, Massive Salt/Anhydrite, Sour Zone, Big Anhydrite, Ruff Fm Richfield Zone/Member/Sandstone, Big Salt Salina A-1 Evap Amherstburg Fm Filer Sandstone, Meldrum Member, Black Lime Silurian Cain Fm St. Ignace Dolomite Salina H Unit Bush Bay Fm Guelph Dol Salina B Unit Big Salt, B Salt Engadine Gr Rapson Creek Fm Niagara Gr Ruff Formation Salina A-1 Carbonate, Rabbit Ears Anhydrite, Rockview Fm Lockport Dol Cain Fm Salina A-0 Carbonate Cordell Fm Manistique Gr Guelph Dolomite Brown Niagara, Niagaran Reef, Pinnacle Reef, undifferentiated Manistique Gr Engadine Dolomite Middle Niagaran Schoolcraft Fm Fiborn Ls Mbr Lockport Dolomite Gray Niagara, White Niagara Hendricks Fm Burnt Bluff Gr Clinton Formation Burnt Bluff Gr undifferentiated Burnt Bluff Gr Trenton Fm Cap Dolomite Byron Fm Lime Island Fm Black River Fm Van Wert Zone, Sneaky Peak, Black River Shale Glenwood Fm Goodwell Unit, Zone of Unconformity Cabot Head Sh Cabot Head Sh Early Alexandrian Cataract Gr Cataract Gr Manitoulin Dol Manitoulin Dol St. Peter Sandstone Bruggers Sandstone, Jordan Sandstone, Knox Sandstone, Massive Sand Big Hill Fm Queenston Sh Prairie du Chien Gr Foster Formation, New Richmond Sandstone, Lower Knox Carbonate, St. Lawrence Formation, Ogontz Mbr Late Cincinnatian Richmond Gr Richmond Gr T-PDC, Oneota Dolomite, Brazos Shale Stonington Fm Utica Sh Bay de Noc Mbr Trempealeau Fm Lodi Formation Bill's Creek Sh Galesville Ss Dresbach Sandstone Collingwood Sh Collingwood Sh Pre-Mt. Simon Clastics Precambrian "Red Beds" Groos Quarry Mbr Mohawkian Trenton Fm Trenton Fm Chandler Falls Mbr Middle Black River Fm Black River Fm Ordovician Glenwood Fm Chazyan <unconformity> St.Peter Ss Whiterockian LEGEND Foster Fm Early Canadian Au Train Fm Prairie du Chien Gr undifferentiated Sandstone Limestone Trempealeaun <unconformity> Trempealeau Fm Limey Shaley Franconian Franconia Fm Shaley Sandy Miner's Castle Mbr Late Galesville Ss Munising Gr Dolomitic Dolomite Munising Fm Cambrian Dresbachian Chapel Rock Mbr Eau Claire Fm Conglomeritic Sandy Basal Cgl Mount Simon Ss Siltstone Shaley Jacobsville Ss Shale Glacial Drift ? Pre-Mt. Simon Clastics Freda Ss Sandy Anhydrite/Gypsum Middle Proterozoic Eon Oronto Gr Nonesuch Sh Limey Reefs/Bioherms ? Copper Harbor Cgl Precambrian Crystalline Basement Complex Dolomitic Basement Rocks Precambrian Archean to Middle Proterozoic Eons Precambrian Crystalline Basement Complex Salt Coal Bed.