词条 | Great Valley Group |
释义 |
| name = Great Valley Group | image = | caption = | type = Group | age = Jurassic | period = Jurassic | prilithology = | otherlithology = | namedfor = | namedby = | region = California | country = United States | coordinates = | unitof = | subunits = | underlies = | overlies = | thickness = | extent = | area = | map = | map_caption = }} The Great Valley Group is a geologic group in California. It preserves fossils dating back to the Jurassic period. See also{{Portal|Earth sciences|California|Paleontology|Jurassic|Mesozoic}}
References
2 : Jurassic System of North America|Geologic groups of California |
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