Fabrizio Storti (*), Fabrizio Balsamo (*) & Anton Koopman (**)
(*) NEXT – Natural and Experimental Tectonics Research Group – Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Italy. Corresponding author e-mail: fabrizio.storti@unipr.it.
(**) Shell International Exploration and Production, Rijswijk, TheNetherlands.