Table T7. Porosity, density, and velocity on discrete samples, Holes 1270A, 1270B, 1270C, and 1270D.
Core, section,
interval (cm)
Depth
(mbsf)
Volume measured in pycnometer
Sample size
Volume measured with caliper
VP
(km/s)
Primary lithology
Density (Mg/m3)
Porosity
(%)
Density (Mg/m3)
Porosity
(%)
Bulk
Grain
Bulk
Grain
209-1270A-









1R-1, 108–110 1.08 2.50 2.61 6.9 Chip — — — — Harzburgite











209-1270B-









1R-1, 115–117 1.15 3.14 3.16 0.8 Minicore 3.18 3.18 0.02 5.86 Gabbro
1R-1, 115–117 1.15 3.13 3.16 1.1 Chip — — — — Gabbro
4M-1, 104–106 18.54 3.01 3.03 0.6 Minicore 2.99 2.99 0.02 5.48 Gabbro
4M-1, 104–106 18.54 3.03 3.05 1.3 Chip — — — — Gabbro
4M-2, 125–127 20.25 3.03 3.05 1.0 Chip — — — — Microgabbro
4M-3, 6–8 20.49 3.07 3.08 0.4 Minicore 3.05 3.05 0.01 — Microgabbro
4M-3, 6–8 20.49 3.01 3.03 1.1 Chip — — — — Microgabbro
7R-2, 122–124 34.12 3.11 3.12 0.7 Chip — — — — Gabbro
8R-1, 127–129 37.77 2.61 2.97 18.7 Chip — — — — Gabbro
10M-1, 27–29 46.07 3.02 3.06 2.0 Chip — — — — Microgabbro
209-1270C-









1R-1, 50–52 0.50 2.48 2.56 5.3 Chip — — — — Harzburgite
1R-1, 71–73 0.71 2.55 2.61 3.9 Chip — — — — Harzburgite
209-1270D-









3R-1, 59–61 19.49 2.43 2.52 6.2 Chip — — — — Harzburgite
3R-2, 49–51 20.65 2.45 2.54 6.0 Minicore 2.47 2.50 0.2 4.18 Harzburgite
3R-2, 49–51 20.65 2.50 2.59 5.5 Chip — — — — Harzburgite
4R-1, 91–93 24.31 2.54 2.61 4.5 Chip — — — — Dunite/Harzburgite
6R-1, 33–35 33.23 2.55 2.64 5.9 Chip — — — — Harzburgite

Note: This table is also available in ASCII.