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Γεωφυσική διασκόπηση σε τύμβο στο Αυλάκι του Δήμου Στυλίδας

Πρακτικά 5ου ΑΕΘΣΕ, Βόλος 26.02 - 01.03.2015, Τόμος ΙΙ: Στερεά Ελλάδα, Βόλος 2020, 851-862

GEOPHYSICAL SURVEY ON A TUMULUS AT AVLAKI OF STYLIS Grigoris N. Tsokas, Panagiotis I. Tsourlos, Georgios Vargemezis, Alexandros Stampolidis, Ilias FIlos, Maria Photini Papakonstantinou, Nikoletta Koutsokera The geophysical survey that took place on a tumulus at Avlaki of Stylis is described in these pages and commented in comparison to the findings of the subsequent excavation. The survey aimed to image the interior of the tumulus and detect possible concealed tombs employing exclusively the method of Electrical Resistivity Tomography (ERT). The method is capable of imaging the subsurface in the 3 dimensional context and has much greater depth penetration than the resistance mapping. The particular tumulus has a cover made by a stone pile and had partially been excavated earlier by the 14th Ephorate of Prehistoric and Classical Antiquities. Both these facts rendered rather difficult the geophysical readings and the relevant processing and interpretation. The survey was designed to record the response of relative small structures at the depth of about 3-4 m. In fact, many anomalies were recorded at depths less than 2.70 m which were attributed to the possible presence of ancient structures. Also, a conductive formation is present almost everywhere underlaying the layer hosting the ancient structures. This formation corresponds to a sedimentary layer mainly consisted by clays and sands having sparse pebbles.

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