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Open Access Preliminary characterisation of a shallow water hydrothermal sulphide deposit recovered by scientific divers (Aeolian Islands, southern Tyrrhenian Sea)

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Active hydrothermal vents, mainly occurring along the mid-ocean ridges, are also found in shallow-water environments in volcanic areas. This paper presents data for a shallow-water vent and associated sulphide hydrothermal deposits located east of the volcanic island of Panarea (Aeolian Archipelago, southern Tyrrhenian Sea). The vent lies at a depth of 25m on the seafloor in an exhalative area characterised by the presence of several vents (Caramanna et al., 2003, 2005; Anzidei et al., 2005; Esposito et al., 2006). Samples of the hydrothermal deposits were collected by scientific divers in January 2007. The ore mineralogy components of the deposits, mostly Pb–As sulfosalt, Zn–Pb sulphide and barium sulphates, reveal a genetic analogy with late-stage, low-temperature products of Kuroko-type mineralisations in subduction-related tectonic settings.

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Keywords: BLACK SMOKER; MEDITERRANEAN SEA; PANAREA ISLAND; SCIENTIFIC DIVING; SHALLOW WATER; SULPHIDE DEPOSITS; VOLCANISM

Document Type: Research Article

Publication date: November 1, 2010

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