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From
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To
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Geolocation
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Author - title
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Year
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| details | Early Permian | USSR(Kazakh SSR) | Medvedeva,A.M. et al. Direct evidence for vertical oil migration in the eastern Precaspian. | 1993 | |
| details | Early Triassic | Asia | Yaroshenko,O.P. Palynology and phytogeography of the Early Triassic | 1997 |