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Geolocation
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Author - title
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Year
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| details | Late Jurassic | USSR(Turkmen SSR) | Yuferev,R.F. et al. On Salt-bearing Formation age of the eastern Turkmenistan on sporopollen remains | 1986 | |
| details | Cretaceous | USSR(Kazakh SSR) | Medvedeva,A.M. et al. Direct evidence for vertical oil migration in the eastern Precaspian. | 1993 |