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Geolocation
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Author - title
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Year
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| details | Westphalian D | Turkey | Agrali,B. Study of microspores of the Carboniferous Amasra Basin. 3. Quantitative study and correlation of Seams. | 1971 | |
| details | Westphalian D | Black Sea | Nikolov,Z. et al. Carboniferous Coal-bearing sediments in the northern part of the Bulgarian Black Sea Shelf | 1990 |