Figure F13. A. X-ray diffractograms of the major lithology at Site 1150. Samples are selected from each lithologic unit. B. Typical X- ray diffractograms of a minor silt layer (interval 186- 1150A- 9H- 1, 95– 96 cm). C. Typical X-ray diffractograms of a dolomitic layer (interval 186-1150A-63X-CC, 23-24 cm).