词条 | Grant Lake Formation |
释义 |
| name = Grant Lake Formation | image = Grant Lake Formation Kentucky.JPG | caption = Grant Lake Formation exposed in Boone County, Kentucky. | type = Formation | age = Late Ordovician | period = Late Ordovician | prilithology = | otherlithology = | namedfor = | namedby = | region = {{Flag|Ohio}}{{Flag|Kentucky}} | country = {{Flag|United States}} | coordinates = | unitof = | subunits = | underlies = Arnheim Formation and Bull Fork Formation | overlies = Fairview Formation | thickness = | extent = | area = | map = | map_caption = }} The Grant Lake Formation is a geologic formation in Ohio and Kentucky. It preserves fossils dating back to the Ordovician period. See also{{Portal|Earth sciences|Ohio|Kentucky|Paleontology|Ordovician|Paleozoic}}
References
3 : Ordovician Ohio|Ordovician Kentucky|Ordovician southern paleotemperate deposits |
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