Fig. 8From: Formation of phyllosilicates in a fault zone affecting deeply buried arkosic sandstones: their influence on petrophysic properties (Annot sandstones, French external Alps)Typical XRD diffractometers patterns obtained on the <2 μm fraction and the 2–16 μm fraction of host sandstone, deformed and highly deformed samples after air dried treatment. Ms white mica, Chl chlorite, Qz quartz, Fsd feldsparsBack to article page