| 词条 | Detroit River Group |
| 释义 |
| name = Detroit River Group | image = | caption = | type = Group | age = Devonian | period = Devonian | prilithology = | otherlithology = | namedfor = | namedby = | region = Indiana, Michigan and Ohio | country = United States | coordinates = | unitof = | subunits = | underlies = Dundee Limestone and Traverse Formation | overlies = Holland Quarry Shale and Wabash Formation | thickness = | extent = | area = | map = | map_caption = }} The Detroit River Group is a geologic group in Michigan. It preserves fossils dating back to the Devonian period. {{Portal|Earth sciences|Michigan|Paleontology|Devonian|Paleozoic}}References
1 : Geologic groups of Michigan |
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