Magnetotelluric measurements in the Alboran Sea.

Evans, R. L., Jegen, Marion D. , Garcia, X. A., Matsumo, T., Elsenbeck, J. and Worzewski, Tamara W. (2010) Magnetotelluric measurements in the Alboran Sea. [Poster] In: AGU Fall Meeting 2010. , 13.12.-17.12.2010, San Francisco, California, USA .

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The PICASSO program aims to understand the tectonic history of the western Mediterranean, between Spain and Morocco, where conflicting models have suggested that the region is either a relict subduction system or a zone of mantle delamination. As part of this program we successfully deployed 12 seafloor MT instruments in water depths greater than 800m in the Alboran sea. We plan to deploy additional instruments in the fall of 2010. An initial analysis of the data shows complex MT response functions with strong distortion due to seafloor topography and coast effect. This coast effect suggests a fairly resistive lithosphere beneath the seafloor, which is confirmed after inspection of the preliminary responses. We will present the data collected thus far, along with preliminary models of the profiles collected.

Document Type: Conference or Workshop Item (Poster)
Keywords: Geophysics; Geomagnetism and paleomagnetism, Geomagnetic induction; Tectonophysics, Continental tectonics ; Plate boundary
Research affiliation: OceanRep > SFB 574
OceanRep > GEOMAR > FB4 Dynamics of the Ocean Floor > FB4-GDY Marine Geodynamics
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Date Deposited: 19 Jan 2011 15:25
Last Modified: 23 Feb 2012 06:12

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