Figure F13. Downhole changes in semiquantitative mineralogy of silty clay-sized serpentine in Hole 1200D, as inferred from XRD analyses of bulk powder mounts. Abundance: D = dominant (50%-100%), A = abundant (20%-50%), C = common (5%-20%), P = present (1%-5%). TD = total depth.

Figure F13. Downhole changes in semiquantitative mineralogy of silty clay-sized serpentine in Hole 1200D, as inferred from XRD analyses of bulk powder mounts. Abundance: D = dominant (50%-100%), A = abundant (20%-50%), C = common (5%-20%), P = present (1%-5%). TD = total depth.