Table T6. Porosity, density, and velocity on discrete samples, Holes 1275B and 1275D.
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
209-1275B-












3R-1, 82–84 13.82 2.85 2.89 2.2 2.89 — — 5.63 5.46 5.33 5.47 5.5 Diabase
3R-1, 107–109 14.07 2.87 2.93 3.2 — — — — — — — — Gabbro
4R-1, 57–59 18.57 2.97 3.04 3.3 2.93 — — 4.55 4.59 4.18 4.44 9.3 Gabbro
5R-1, 17–19 22.77 3.11 3.22 4.8 3.07 — — 4.74 4.65 4.48 4.62 5.8 Gabbro
6R-1, 59–61 28.19 2.68 2.75 4.3 2.74 — — 4.64 4.45 4.35 4.48 6.5 Troctolite
6R-2, 31–33 29.37 2.72 2.75 1.7 2.74 — — 5.15 4.81 4.97 4.98 6.8 Troctolite
6R-2, 106–108 30.12 2.70 2.73 1.6 2.76 — — 5.01 4.89 4.79 4.90 4.6 Troctolite
9R-1, 114–116 42.94 3.07 3.11 1.7 3.02 — — 5.41 5.36 5.31 5.36 1.9 Diabase
10R-1, 82–84 47.62 3.13 3.17 1.9 3.13 — — 5.33 5.31 5.29 5.31 0.9 Gabbro
10R-2, 44–46 48.74 3.26 3.31 2.0 3.28 — — 5.40 5.44 5.37 5.40 1.1 Gabbro
11R-1, 34–36 51.64 3.02 3.08 2.6 3.08 — — 5.32 5.36 5.17 5.28 3.6 Gabbro
11R-2, 65–67 53.39 3.07 3.10 1.5 3.12 — — — 5.38 5.27 5.32 2.0 Gabbro
12R-1, 80–82 57.10 3.10 3.14 2.3 3.15 — — — 5.14 4.95 5.04 3.8 Gabbro
12R-2, 22–24 57.69 3.09 3.11 1.4 3.18 — — — 5.46 5.38 5.42 1.5 Gabbro
13R-1, 72–74 61.52 3.09 3.11 1.3 3.20 — — — 5.44 5.33 5.39 2.1 Gabbro
13R-2, 54–56 62.75 3.07 3.12 2.3 3.15 — — — 5.36 5.31 5.34 0.8 Gabbro
15R-1, 22–24 70.62 3.14 3.19 2.4 3.07 — — 5.10 5.13 5.09 5.10 0.8 Gabbro
16R-1, 33–35 75.73 3.09 3.13 2.0 3.07 — — 5.20 5.18 5.13 5.17 1.5 Gabbro
17R-1, 62–64 80.72 2.91 2.94 1.4 2.92 — — 5.18 5.14 5.14 5.15 0.8 Microgabbro
18R-2, 5–7 86.22 3.10 3.16 2.5 3.13 — — 5.19 5.23 5.14 5.19 1.7 Gabbro
18R-3, 108–110 88.73 2.92 2.95 1.5 2.94 — — 5.41 5.25 5.23 5.30 3.3 Gabbro
19R-1, 76–78 90.16 3.11 3.14 1.5 3.12 — — — 5.33 5.35 5.34 — Gabbro
19R-3, 113–115 92.68 3.17 3.21 1.6 3.15 — — — 5.29 5.19 5.24 1.8 Gabbro
20R-2, 6–8 95.62 3.02 3.06 1.5 3.17 — — 5.35 5.44 5.33 5.37 2.1 Gabbro
21R-2, 6–8 100.56 3.18 3.25 3.2 3.18 — — 5.03 5.01 4.97 5.00 1.1 Gabbro
21R-3, 54–56 102.47 3.11 3.18 3.0 3.06 — — 4.74 — 4.61 4.67 — Gabbro
22R-1, 105–107 105.05 3.06 3.11 2.4 3.16 — — — — 5.15 5.15 — Gabbro
209-1275D-












1R-1, 127–129 1.27 2.85 2.93 3.9 2.86 — — 4.95 4.87 4.77 4.86 3.7 Gabbro
2R-1, 139–141 9.39 2.67 2.70 1.6 2.69 — — 4.83 4.70 4.84 4.79 2.9 Troctolite
6R-1, 93–95 28.03 2.69 2.79 5.7 2.90 — — 4.41 4.41 4.21 4.34 4.6 Troctolite
9R-1, 17–19 41.77 2.64 2.68 3.0 2.68 — — 4.77 4.58 4.54 4.63 4.9 Troctolite
10R-1, 52–54 46.62 2.58 2.65 4.6 2.63 — — 4.34 4.29 4.30 4.31 1.2 Troctolite
10R-2, 95–97 48.48 2.55 2.64 5.6 2.60 — — 3.90 3.93 3.97 3.93 1.6 Troctolite
12R-1, 20–22 55.90 2.92 3.02 4.8 2.99 — — 4.74 4.71 4.68 4.71 1.1 Gabbro
12R-2, 41–43 57.57 3.05 3.11 2.8 3.12 — — 5.22 5.15 5.18 5.18 1.4 Gabbro
13R-2, 54–56 62.50 2.92 3.01 4.8 3.07 — — 4.82 4.69 4.70 4.73 2.8 Gabbro
15R-2, 8–11 71.79 3.10 3.12 1.0 3.14 — — 5.58 5.51 5.54 5.54 1.3 Microgabbro
17R-2, 94–96 82.06 2.57 2.63 3.4 2.63 — — 4.40 4.36 4.33 4.37 1.7 Microgabbro
18R-1, 136–138 85.76 3.21 3.25 1.9 3.17 — — 5.08 5.13 5.05 5.08 1.6 Gabbro
21R-1, 67–69 99.67 2.78 2.85 3.8 2.84 — — 5.01 5.02 4.99 5.01 0.6 Diabase
22R-1, 143–145 105.13 3.13 3.20 3.4 3.07 — — 5.12 5.06 5.03 5.07 1.9 Gabbro
23R-2, 62–65 107.59 2.87 2.91 1.9 2.89 — — 5.28 5.28 5.28 5.28 0.1 Microgabbro
24R-3, 22–24 111.48 3.11 3.15 1.8 3.19 — — 5.30 5.30 5.22 5.28 1.5 Gabbro
25R-2, 40–42 114.65 3.18 3.22 1.7 3.12 — — 5.43 5.35 5.30 5.36 2.6 Gabbro
26R-2, 95–97 120.46 3.16 3.22 2.8 3.18 — — 5.25 5.21 5.20 5.22 0.9 Gabbro
27R-1, 25–27 122.95 3.08 3.12 1.8 3.16 — — 5.46 5.39 5.39 5.41 1.3 Gabbro
29R-1, 62–64 132.82 2.95 2.97 1.3 2.98 — — 5.53 5.51 5.55 5.53 0.6 Microgabbro
31R-3, 88–90 145.48 3.05 3.08 1.4 3.04 — — 5.34 5.32 5.30 5.32 0.8 Gabbro
33R-1, 20–22 151.50 2.94 2.96 0.9 2.94 — — 5.51 5.46 5.45 5.47 1.1 Olivine gabbro
33R-2, 69–71 153.43 2.97 2.98 0.4 2.99 — — 5.62 5.63 5.61 5.62 0.3 Microgabbro
34R-2, 57–59 157.72 2.95 2.97 1.2 2.98 — — 5.25 5.27 5.26 5.26 0.6 Gabbro
35R-2, 44–46 162.74 2.90 2.94 2.1 2.92 — — 4.96 5.07 5.00 5.01 2.3 Gabbro
35R-4, 39–42 164.83 2.97 2.97 0.3 2.96 — — 5.59 5.60 5.61 5.60 0.4 Microgabbro
36R-1, 58–60 166.38 2.93 2.96 1.1 2.98 — — 5.69 5.67 5.72 5.69 0.9 Diabase
37R-1, 76–78 171.26 2.96 2.98 1.0 2.91 — — 5.24 5.20 5.19 5.21 0.9 Gabbro
37R-3, 65–67 173.60 2.92 2.94 1.4 2.80 — — 5.32 5.36 5.29 5.32 1.3 Gabbro
38R-3, 55–57 178.58 — — — 2.98 — — 5.31 5.29 5.22 5.27 1.8 Gabbro
40R-1, 15–17 184.25 2.90 2.93 1.2 2.95 — — 5.52 5.41 5.42 5.45 2.1 Diabase
40R-3, 52–54 187.40 2.92 2.95 1.3 3.01 — — 5.46 5.48 5.41 5.45 1.3 Gabbro
41R-3, 71–73 193.30 2.95 2.97 1.0 2.95 — — 5.34 5.42 5.33 5.36 1.5 Gabbro
43R-1, 96–98 200.26 3.24 3.27 1.5 3.23 — — 5.59 5.50 5.44 5.51 2.7 Microgabbro
43R-2, 48–50 201.28 3.03 3.06 1.4 3.02 — — — 5.17 5.09 5.13 — Gabbro
43R-4, 15–17 203.95 3.04 3.08 1.8 2.98 — — 4.93 5.02 4.98 4.98 1.7 Gabbro

Note: This table is also available in ASCII.