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Geolocation
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Author - title
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Year
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| details | Late Neogene | Japan(Miyagi Pref.) | Shimada,M. Pollen analyses of Lignites.I.Three Pliocene Lignite Beds in the environs of Sendai. | 1951 | |
| details | Early Pliocene | Middle Pliocene | Japan(Shikoku I.) | Nakamura,J. Fossil pollen in the Nahari Lignite. | 1951 |
| details | Tertiary | USA | Wilson,L.R. Spores and pollen as microfossils. | 1944 | |
| details | Eocene | Colorado | Wilson,L.R. Spores and pollen as microfossils. | 1944 |