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