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The side scan sonar is the main tool for deep marine archaeology research but is also equaled significant in mapping of underwater geophysical features. Ancient and modern shipwrecks can be located with the correct translation of sonar records in conjunction with visual inspection. During a short but difficult side scan sonar survey (for documentary film purposes) in searching for the shipwreck HERAKLION (without results), at the sea area north of Antimilos island (South Aegean Sea, Greece), we recorded two intere...

A marine archaeological survey reveals not only ancient relics, in cases of success but interesting features on the seabed. During a field work, at the sea area westwards of Santorini island, (South Aegean Sea, Greece) we discovered volcanic formations of pillow lavas surrounded by hydrothermal vents, delineated by white bacterial mats and drifted particulates in the water column. With side scan sonar, we recorded two circular dome-like formations possibly of volcanic origin with nearby larger seamounts and wide o...