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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 | Cretaceous | USSR(Kazakh SSR) | Medvedeva,A.M. et al. Direct evidence for vertical oil migration in the eastern Precaspian. | 1993 | |
| details | Middle Eocene | Late Eocene | Canada(Yukon) | Ridgway,K.D. et al. Climatically induced floristic changes across the Eocene - Oligocene transition in the northern high latitudes, Yukon Territory, Canada. | 1995 |