Fabrizio Storti (1), Fabrizio Balsamo (1) & Anton Koopman (2)
(1) NEXT – Natural and Experimental Tectonics Research Group – Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Italy. Corrisponding author e-mail: fabrizio.storti@unipr.it.
(2) Shell International Exploration and Production, Rijswijk, The Netherlands.