Fig. 4From: The characterisation of an exhumed high-temperature paleo-geothermal system on Terre-de-Haut Island (the Les Saintes archipelago, Guadeloupe) in terms of clay minerals and petrophysicsMicro- and meso-scale fracture networks seen in thin section (a) and on the outcrop (b). a Shows an intensely microfractured plagioclase in fresh sample. b Shows a strongly fractured zone north of Grande AnseBack to article page