| 词条 | Thin Elk Formation |
| 释义 |
| name = Thin Elk Formation | image = | caption = | type = Formation | age = Neogene | prilithology = | otherlithology = | namedfor = | namedby = | region = South Dakota | country = United States | coordinates = | unitof = | subunits = | underlies = | overlies = | thickness = | extent = | area = | map = | map_caption = }} The Thin Elk Formation is a geologic formation in South Dakota. It preserves fossils dating back to the Neogene period. See also{{Portal|Earth sciences|South Dakota|Paleontology|Neogene|Cenozoic}}
References
1 : Neogene geology of South Dakota |
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