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The Gothenburg geomagnetic excursion as a chronological marker for the Allerød interstadial in the Central Russian Upland |
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| Authors: | E G Gus’kova O M Raspopov V A Dergachev A G Iosifidi G V Sinitsyna |
| Institution: | 1. St. Petersburg Branch of the Institute of Terrestrial Magnetism, the Ionosphere, and Radio Wave Propagation, Russian Academy of Sciences, St. Petersburg, Russia 2. Ioffe Physical-Technical Institute, Russian Academy of Sciences, St. Petersburg, Russia 3. All-Russia Petroleum Research Exploration Institute, St. Petersburg, Russia 4. Institute of History of Material Culture, Russian Academy of Sciences, St. Petersburg, Russia |
| Abstract: | Palaeomagnetic investigations of deposits at the Baranova Gora archaeological site located near Volgo Lake (56.9°N, 33.2°E) in the Central Russian Upland have been carried out. The palaeomagnetic studies have revealed the development of the Gothenburg geomagnetic excursion dated at 13000–12350 BP. Revealing the Gothenburg excursion allowed us to use the findings of the palaeomagnetic investigations as a chronological benchmark, in addition to the results of palynological and archaeological (comparative analysis of archaeological artifacts) methods of dating the cultural layers of this archaeological monument, as well as to refine the time frame of the climatic Allerød interstadial in the Central Russian Upland. The data obtained in our study indicate that the Allerød interstadial in the Central Russian Upland began several hundred years before 12000 BP, the date commonly believed to be the beginning of the Allerød interstadial. |
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