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Geolocation
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Author - title
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Year
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| details | Miocene | W.Germany(Rhineland) | Pflug,H.D. Analysis of briquette making properties of seam profiles of the northern Rhineland Browncoal. | 1957 | |
| details | Sparnacian | France(Paris Basin) | Gruas-Cavagnetto,C. Spore and pollen complexes of the Sparnacian of the Paris Basin. | 1967 | |
| original | Late Eocene | Middle Miocene | Germany(Hesse) | Pflanzl,G. The age of Brown Coal of the Meissner Mountain, the Seams 2 and 3 of the Hirschberg and a neighbouring coalseam near Laudenbach. | 1956 |