Table T6. Porosity, density, and velocity on discrete samples, Hole 1272A.
Core, section, interval (cm)
Depth (mbsf)
Volume measured
in pycnometer
Volume measured
with caliper
 
VP apparent anisotropy
(%)
Primary lithology
Density (Mg/m3)
Porosity (%)
Density (Mg/m3)
Porosity (%)
VP (km/s)
Bulk
Grain
Bulk
Grain
x
y
z
Mean
209-1272A-












1R-1, 44–46 0.44 2.89 3.01 6.0 2.84 — — 4.24 4.20 4.24 4.23 1.1 Microgabbro
2R-1, 63–65 13.53 2.40 2.70 18.1 2.33 — — 2.92 3.27 3.29 3.16 11.8 Dunite
3R-1, 114–116 19.04 2.72 2.84 6.5 2.79 — — 4.81 4.85 4.83 4.83 0.7 Diabase
4R-1, 85–87 23.25 2.77 2.95 9.4 2.76 — — 4.64 4.69 4.54 4.62 3.2 Olivine gabbro
7R-1, 96–98 37.86 2.88 3.00 6.3 2.76 — — 4.85 4.59 4.47 4.64 8.2 Diabase
13R-1, 96–98 61.66 2.33 2.55 14.5 2.30 — — 3.05 3.05 2.92 3.01 4.3 Harzburgite
13R-2, 30–32 62.50 2.37 2.59 14.2 2.32 — — 3.10 3.05 3.01 3.05 3.0 Harzburgite
14R-1, 22–24 65.92 2.38 2.61 14.5 2.33 — — 3.15 3.16 3.05 3.12 3.6 Harzburgite
16R-1, 137–139 76.37 2.30 2.60 18.7 2.26 — — 2.94 2.83 2.68 2.82 9.2 Harzburgite
17R-1, 59–61 80.19 2.31 2.56 16.3 2.26 — — 3.06 2.97 — 3.02 — Harzburgite
17R-1, 130–132 80.90 2.36 2.60 15.3 2.33 — — 3.10 3.01 2.92 3.01 5.9 Harzburgite
18R-1, 44–46 85.04 2.37 2.57 12.9 2.33 — — 3.28 3.23 3.18 3.23 3.0 Harzburgite
21R-1, 50–52 99.40 2.34 2.55 14.0 2.33 — — 3.34 3.18 3.24 3.26 4.8 Harzburgite
23R-1, 24–26 108.74 2.32 2.54 14.6 2.34 — — 3.58 3.30 3.28 3.39 8.8 Dunite/Harzburgite
24R-1, 77–79 114.27 2.39 2.57 11.5 2.37 — — 3.49 3.44 3.47 3.47 1.4 Harzburgite
25R-1, 127–129 119.27 2.45 2.62 10.9 2.42 — — 3.52 3.55 3.52 3.53 1.1 Harzburgite
26R-1, 75–77 123.75 2.39 2.59 12.5 2.39 — — 3.44 3.50 3.32 3.42 5.2 Harzburgite
27R-1, 52–54 127.52 2.48 2.63 9.2 2.47 — — 3.76 3.68 3.57 3.67 5.4 Harzburgite
27R-2, 93–95 129.43 2.51 2.65 9.0 2.51 — — 3.80 3.61 3.59 3.67 5.7 Harzburgite

Note: This table is also available in ASCII.