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|Title:||Geomorphological evolution and paleoenveronment reconstruction in the northeastern part of lemnos Island (North Aegean Sea)||Authors:||Sidiropoulou, M.
|Issue Date:||2014||Publisher:||Universite de Liege||Journal:||Aegaeum||Abstract:||The area where the study was made is located in the northeastern coast of Lemnos Island (Greece- North Aegean Sea). This area covers the archaeological settlement of Hephestia which is located in the north part of Purnia Gulf and the coastal area of Alyki Lagoon, which is located in the southeast part of Lemnos coast. The archaeological importance of this area is pointed out not only by its archaeological remains but also by its significant location. The most important site which has been discovered close Hephestia is Poliochni. This is an ancient city considered to have the same date with Troy. The excavations of archaeological site of Hephestia indicate continuous human presence from Late Bronze Age till Byzantine time. The study of the eustatic sea level oscillation in correlation with the neotectonic regimes and die geomorphological observadons, and also the analyses of the deposed sediments, helps us to make a palaeogeographycal reconstruction of the landscape and its impotence to human societies. Therefore, detailed geomorphological mapping, micromorphological, sedimentological and micropaleontological studies of the Holocene coastal deposits have been accomplished. Six boreholes at Alyki lagoon were drilled at selected locations, the deepest one reaches a depth of 11m, and two other boreholes were drilled in Hephestia. The stratigraphy of the late Holocene sediments was studied in detail and samples collected from selected sedimentary layers, were analysed by using micropaleontological techniques. The calculated age from the boreholes gives dates between 5100 B.C. till 820 A.D. Twenty samples of shells and roots were dated using the AMS radiocarbon method in Lyon C14 Laboratory. Geomorphological mapping was carried out using topographic maps at scale of 1:50.000, geological map at a scale of 1:50.000 and observations on the field. Landforms of the coastal alluvial plain, in die shoreline and in die inland were marked and recorded at a scale of 1:50.000. Sea level rise along the interaction of landscape evolution and the impact of human civilization were concluded.||URI:||http://hdl.handle.net/20.500.12458/12||ISSN:||0776-3808|
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