Fig. 4From: Pore-water evolution and solute-transport mechanisms in Opalinus Clay at Mont Terri and Mont Russelin (Canton Jura, Switzerland)Microscopic features of the Main Fault at Mont Terri. a Cohesionless fault-gouge horizon with sharp boundaries. Length of picture is 0.7 mm, parallel polars. b Celestite-calcite vein with fibrous texture, indicating syntectonic growth. Length of picture is 3.5 mm, crossed polarsBack to article page