词条 | Michigan Formation |
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| name = Michigan Formation | image = | caption = | type = Formation | age = Mississippian | period = Mississippian | prilithology = | otherlithology = | namedfor = | namedby = | region = {{Flag|Michigan}} | country = {{Flag|United States}} | coordinates = | unitof = | subunits = | underlies = Bayport Limestone | overlies = Marshall Sandstone | thickness = | extent = | area = | map = | map_caption = }} The Michigan Formation is a geologic formation in Michigan. It preserves fossils dating back to the Mississippian period. {{Portal|Earth sciences|Michigan|Paleontology|Carboniferous|Paleozoic}}References
2 : Carboniferous Michigan|Mississippian Series |
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