source rock geological age
Geological age of source rock (Additional info: https://en.wikipedia.org/wiki/Period_(geology)), e.g., archean, cambrian, carboniferous, cenozoic, cretaceous, devonian, jurassic, mesozoic, neogene, ordovician, paleogene, paleozoic, permian, precambrian, proterozoic, silurian, triassic
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MIGS.ba.hydrocarbon-cores.6.0; MIGS.eu.hydrocarbon-cores.6.0; MIGS.vi.hydrocarbon-cores.6.0; MIMAG.hydrocarbon-cores.6.0; MIMARKS.specimen.hydrocarbon-cores.6.0; MIMARKS.survey.hydrocarbon-cores.6.0; MIMS.me.hydrocarbon-cores.6.0; MISAG.hydrocarbon-cores.6.0; MIUVIG.hydrocarbon-cores.6.0