(a) XPL (Cross Polarized Light) image of partially carbonated serpentine vein from B1*. (b) PPL image of carbonated serpentine vein crosscut by veinlet of calcite and hematite from B2*. (c) PPL image of reddish vein of calcite and hematite bordered with vein of calcite from C1*. (d) Magnified view (with 90° rotation) of (a) with (e) a zoom in the zone represented by the white square in cathodoluminescence (d). (f) PPL image of the border between the calcite vein and serpentine mesh crosscut by a calcite veinlet. cal: calcite; spt: serpentine.