Table T7. Porosity, density, and velocity on discrete samples, Holes 1271A and 1271B.
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
209-1271A-












1R-1, 70–72 0.70 2.43 2.48 6.7 3.00 3.25 3.02 3.09 8.13 Serpentinite
4R-1, 92–94 29.42 2.54 2.65 6.6 2.55 4.00 3.72 3.74 3.82 7.49 Dunite/Serpentinite
4R-2, 26–29 30.03 2.54 2.55 3.1 3.49 3.58 3.51 3.53 2.41 Dunite/Serpentinite
4R-2, 103–105 30.80 2.53 2.54 3.6 3.52 3.41 3.49 3.48 3.19 Dunite/Serpentinite
209-1271B-












5R-1, 55–57 28.25 2.47 2.61 9.1 2.53 3.57 3.45 3.51 3.51 3.42 Dunite
8R-1, 69–71 41.39 2.42 2.59 10.9 2.46 2.99 3.00 3.11 3.03 3.92 Dunite
10R-1, 112–114 51.62 2.48 2.66 10.8 2.52 3.36 3.63 3.45 3.48 7.93 Harzburgite
12R-1, 131–134 61.41 2.66 2.69 1.9 2.71 4.89 4.94 4.90 4.91 0.92 Troctolite
17R-1, 58–60 85.08 2.53 2.64 6.5 2.53 3.94 3.98 3.73 3.88 6.59 Dunite
19R-1, 20–22 94.30 2.48 2.65 10.5 2.48 3.35 3.24 3.32 3.30 3.39 Dunite

Note: This table is also available in ASCII.