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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 | Late Pliocene | Early Pleistocene | Alaska | Nelson,R,E. et al. Pollen analysis of a Late Pliocene and Early Pleistocene section from the Gubik Formation of Arctic Alaska. | 1985 |
| details | Middle Miocene | Mautino,L.R. et al. Preliminary palynological analysis of the San Jos© Formation, Middle Miocene, TucumЎn Province, Argentina. | 2000 |