Abstract
DR. A. BOUÉ, who has been investigating the geology of Thrace, announces some of the results of his expedition. He has traced the cretaceous and nummulitic formations from Jarim Brugas to Adrianople, and found crinoids in the shales and limestones near Eski Sara, one of which he is inclined to identify with the carboniferous limestone. The steep southern declivity of the Balkan represents a great fissure of dislocation, the granitic central stock of the ancient Balkan having sunk down odily during the enormous porphyritic and trachytic eruptions; hot water flows from the fissures of the sunken granite, and forms numerous baths along the foot of the Balkan. In Mechli ravine, near Kisantik, immediately surrounded by mountains 4,000 feet in height, Dr. Boué discovered, resting directly upon gneiss, an old carboniferous formation, with three beds of good coal; but as no fossils were to be detected in the deposit, he was unable to determine whether it belongs to the coal measures. Coal-beds, probably of Eocene age, occur in the Rhodopi.—[Proc. Imp. Geol., Institute of Vienna, 31st Oct., 1869.]
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Geology: The Geology of Thrace. Nature 1, 89 (1869). https://doi.org/10.1038/001089c0
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DOI: https://doi.org/10.1038/001089c0