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GEOSTAR deep seafloor missions: magnetic data analysis and 1D geoelectric structure underneath the Southern Tyrrhenian Sea

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Author(s): Sergio Vitale | Angelo De Santis | Domenico Di Mauro | Lili Cafarella | Paolo Palangio | Laura Beranzoli | Paolo Favali

Journal: Annals of Geophysics
ISSN 1593-5213

Volume: 52;
Issue: 1;
Start page: 57;
Date: 2009;
Original page

Keywords: GEOSTAR – Tyrrhenian Sea – deep seafloor – electrical conductivity – lithosphere

ABSTRACT
From 2000 to 2005 two geophysical exploration missions were undertaken in the Tyrrhenian deep seafloor atdepths between -2000 and -3000 m in the framework of the European-funded GEOSTAR Projects. The consideredmissions in this work are GEOSTAR-2 and ORION-GEOSTAR-3 with the main scientific objective of investigatingthe deep-seafloor by means of an automatic multiparameter benthic observatory station working continuouslyfrom around 5 to 12 months each time. During the two GEOSTAR deep seafloor missions, scalar andvector magnetometers acquired useful magnetic data both to improve global and regional geomagnetic referencemodels and to infer specific geoelectric information about the two sites of magnetic measurements by means ofa forward modelling.
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