Figure 4From: Geochemical and mineralogical characteristics of fault gouge in the Median Tectonic Line, Japan: evidence for earthquake slipMicrostructures in fault-zone rocks of most recently active fault zone in the Anko section of the MTL. (a) Orange-stained cataclasite, (b) gray breccia, (c) black gouge, (d) black gouge under cross-polarized light, (e) gray-green gouge, and (f) brecciated greenschist. c-vein, calcite vein.Back to article page