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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 | Kazanian | Early Tatarian | USSR(Taymyr Nat.Okrug) | Hart,G.F. Permian palynofloras and their bearing on Continental Drift. (In: Paleogeographic Provinces and Provinciality, Charles A. Ross, editor) | 1974 |
| details | Devonian | USSR(Ukrainian SSR) | Medvedeva,A.M. Palynological investigation of Petroleum | 1978 |