Initial Reports, Volume 209 Ms 209IR-103 Chapter 3, Table T7. Porosity, density, and velocity on discrete samples, Hole 1268A. Core, section, interval (cm) Depth (mbsf) Volume measured in pycnometer: Bulk density (Mg/m3) Grain density (Mg/m3) Porosity (%) Sample size Volume measured with caliper: Bulk density (Mg/m3) Grain density (Mg/m3) Porosity (%) Velocity (km/s) Primary lithology 209-1268A- 2R-2, 37-39 15.77 2.66 2.82 8.9 Chip 2.49 2.54 3.3 3.89 Harzburgite 3R-2, 4-6 21.67 2.51 2.86 19.2 Chip 2.39 2.48 6.2 3.02 Harzburgite 4R-1, 16-18 24.96 2.57 2.76 10.8 Chip 2.44 2.49 3.8 3.49 Harzburgite 5R-2, 119-121 32.49 2.49 2.68 11.7 Minicore 2.49 2.57 4.7 3.43 Dunite 6R-1, 49-51 34.89 - - - - 2.58 2.63 3.1 3.64 Harzburgite 8R-1, 123-125 45.23 - - - - 2.67 2.71 2.2 3.4 Harzburgite 10R-2, 87-89 55.91 2.7 2.81 6.2 Chip - - - - Harzburgite 12R-1, 130-132 64.5 2.7 2.83 7.4 Minicore 2.72 2.77 2.7 3.63 Harzburgite 12R-2, 40-42 65.1 2.64 2.84 11 Chip 2.65 2.7 2.8 3.37 Harzburgite 13R-1, 77-79 68.97 2.69 2.81 6.7 Chip 2.56 2.6 2.3 3.83 Harzburgite 14R-2, 112-114 75.41 2.46 2.74 16.2 Chip 2.49 2.58 5.5 3.09 Harzburgite 15R-4, 73-75 82.59 2.55 2.63 4.8 Minicore 2.55 2.58 1.9 4.29 Harzburgite 16R-3, 133-135 86.44 2.81 2.91 5.4 Chip 2.69 2.73 2.2 3.59 Harzburgite 17R-1, 18-20 87.58 2.6 2.81 11.5 Chip 2.53 2.62 5.1 3.41 Gabbro 17R-1, 69-71 88.09 - - - - 2.73 2.77 2.2 3.5 Harzburgite 18R-1, 123-125 93.23 2.55 2.87 17.3 Chip 2.4 2.4 2.5 3.54 Dunite 19R-1, 86-88 97.86 2.45 2.58 8.7 Chip - - - - Harzburgite 20R-2, 66-68 103.69 2.5 2.67 10.4 Chip 2.47 2.47 4.1 4.02 Harzburgite 22R-2, 81-82 113.51 2.71 2.85 7.7 Minicore 2.69 2.73 2.8 4.37 Gabbro 23R-1, 63-65 116.83 2.88 2.91 1.4 Minicore 2.82 2.83 0.5 4.93 Gabbronorite 23R-2, 45-47 118.09 2.67 2.86 10.3 Chip - - - - Gabbro 24R-2, 90-92 122.95 2.49 2.54 3 Minicore 2.56 2.57 1.2 4.53 Harzburgite 25R-1, 45-47 126.25 2.67 2.86 10.8 Chip 2.58 2.66 5 3.03 Harzburgite