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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 | Belgium | Hacquaert,N. Palynological study of Cenozoic marine Sands, (Scaldisian and Merxemian), from the Hansadok of Antwerp. | 1960 | |
| details | Middle Eocene | Colorado | Bradley,W.H. Origin and microfossils of the oil shales of the Green River Formation of Colorado and Utah. | 1931 | |
| details | Middle Eocene | Utah | Bradley,W.H. Origin and microfossils of the oil shales of the Green River Formation of Colorado and Utah. | 1931 |