Constraining geothermal exploration in volcanic environments with complex electrical measurements. Results from 2D ERT/IP inversions and electrical impedance measurements on core samples from boreholes at the Krafla volcano (Iceland).


Léa Esther Lévy1,2, Svetlana Byrdina3, Benoit Gibert4, Freysteinn Sigmundsson5, Damien Deldicque2, Jean Vandemeulebrouck3, Olafur G Flovenz6, Gylfi Páll Hersir7, Knútur Árnason6 and Pierre Briole2, (1)University of Iceland, Nordic Volcanological Center, Institute of Earth Sciences, Reykjavik, Iceland, (2)Ecole Normale Supérieure Paris, Laboratoire de Géologie, Paris, France, (3)Université Savoie Mont-Blanc, IRD, CNRS, ISTerre, Le Bourget du Lac, France, (4)Géosciences Montpellier, Montpellier Cedex 05, France, (5)University of Iceland, Institute of Earth Sciences, Nordic Volcanological Center, Reykjavik, Iceland, (6)Iceland GeoSurvey, Reykjavik, Iceland, (7)Iceland GeoSurvey, Reykjavík, Iceland