| 词条 | Des Moines Formation |
| 释义 |
| name = Des Moines Formation | image = | caption = | type = Formation | age = Carboniferous | period = Carboniferous | prilithology = | otherlithology = | namedfor = | namedby = | region = {{Flag|Illinois}} | country = {{Flag|United States}} | coordinates = | unitof = | subunits = | underlies = | overlies = | thickness = | extent = | area = | map = | map_caption = }} The Des Moines Formation is a geologic formation in Illinois. It preserves fossils dating back to the Carboniferous period. See also{{Portal|Earth sciences|Illinois|Paleontology|Carboniferous|Paleozoic}}
References
1 : Carboniferous Illinois |
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