The Late Holocene to Pleistocene tephrostratigraphic record of Lake Ohrid (Albania) |
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| Authors: | Benoît Caron Roberto Sulpizio Giovanni Zanchetta Giuseppe Siani Roberto Santacroce |
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| Institution: | 1. Dipartimento di Scienze della Terra, via S. Maria 53, 56126 Pisa, Italy;2. CIRISIVU, c/o Dipartimento Geomineralogico, via Orabona 4, 70125 Bari, Italy;3. IDES-UMR 8148, Département des Sciences de la Terre, Université Paris-XI, 91405 Orsay, France |
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| Abstract: | We present in this work a tephrostratigraphic record from a sediment piston core (JO 2004) from Lake Ohrid. Five tephra layers were recognised, all from explosive eruptions of southern Italy volcanoes. A multidisciplinary study was carried out, including stratigraphy, AMS 14C chronology and geochemistry. The five tephra layers were correlated with terrestrial proximal counterparts and with both marine and lacustrine tephra layers already known in the central Mediterranean area. The oldest is from Pantelleria Island (P11, 131 ka BP). Other three tephra layers are from Campanian volcanoes: X6, Campanian Ignimbrite-Y5 and SMP1-Y3 (107, 39 and 31 ka BP respectively). The youngest tephra layer corresponds to the FL eruption from Etna Volcano (3.4 ka BP). In three cases these recognitions confirm previous findings in the Balkans, while two of them were for the first time recognised in the area, with a significant enlargement of the previous assessed dispersal areas. |
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| Keywords: | Tephrostratigraphy Tephrochronology Italian volcanoes Lake Ohrid Albania |
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