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Geolocation
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Author - title
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Year
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| details | Carboniferous | USSR(Turkmen SSR) | Medvedeva,A.M. Methods of paleophytologic analysis of oil and its associated Rocks | 1966 | |
| details | Asselian | Sakmarian | USSR(Chelyabinskaya) | Varlamov,I.P. et al. On the stratigraphy of Permian deposits of the Magnitogorsk Syncline | 1964 |