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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 | Middle Givetian | Early Frasnian | Scotland(Orkney) | Marshall,J.E.A. et al. Devonian marine Incursions in the Orcadian Basin, Scotland. | 1996 |
| details | Frasnian | Belarus | Obukhovskaya,T.G. Miospores of the Givetian-Frasnian boundary deposits in Belarus. | 2000 | |
| details | Frasnian | Russia(Nenets Nat.Okrug) | Raskatova,M.G. Devonian palynocomplex from the Timano-Pechorskoi Province. | 2001 |