Tectonoelectric zonation in the Hellenic Arc |
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| Institution: | 1. Department of Biochemistry and Cambridge Systems Biology Centre, University of Cambridge, Cambridge CB2 1GA, United Kingdom;2. The Francis Crick Institute, Mill Hill Laboratory, The Ridgeway, Mill Hill, London NW7 1AA, United Kingdom;1. UIT – The Arctic University of Norway, Follumsvei 31, 9509 Alta, Norway |
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| Abstract: | The electrical (apparent) resistivities ρ were measured by means of the magnetotelluric effect at twenty sites in Greece and in two directions, E-W and N-S. In most of the sites, ρEW differs considerably from ρNS. These results allow the following three zones to be distinguished: - 1.(1) an external zone along western Greece with ρEW >ρNS;
- 2.(2) an intermediate zone along the main mountain chain in continental Greece where ρNs >ρEW and
- 3.(3) an internal zone in the northern Aegean where ρEW >ρNS.
The above resistivity zones are compared to data from geotectonic, neotectonic, seismotectonic and in situ stress measurements which all show a similar geometry of zonation almost parallel to the active Hellenic Arc. |
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