Previous   |    Close   |    Next

Table T12. P-wave velocity, density, and porosity measurements, Hole U1415J.

Core, section,
interval (cm) 		Depth (mbsf) P-wave velocity Bulk density (g/cm³) Grain density (g/cm³) Porosity (vol%) Primary lithology Background alteration
(%)
Mean (km/s) Standard deviation (km/s) Standard deviation (%) Mean (km/s) Apparent anisotropy (%)
x y z x y z x y z
345-U1415J-
3R-1W, 25–27 15.25 6.21 6.22 6.03 0.0025 0.0033 0.0266 0.04 0.05 0.44 6.16 3.2 2.88 2.90 1.3 Olivine-bearing gabbro 30–60
5R-1W, 121–123 27.41 6.52 6.37 6.44 0.0025 0.0052 0.0322 0.04 0.08 0.50 6.44 2.3 2.95 2.97 0.9 Olivine-bearing gabbronorite 10–30
5R-1W, 129–131 27.49 6.40 6.55 6.42 0.0006 0.0010 0.0030 0.01 0.02 0.05 6.46 2.2 2.83 2.84 0.5 Olivine-bearing gabbro 10–30
5R-2W, 18–20 27.815 6.36 6.51 6.44 0.0013 0.0030 0.0052 0.02 0.05 0.08 6.44 2.4 2.92 2.95 1.4 Olivine-bearing gabbronorite 10–30
5R-2W, 34–36 27.975 6.42 6.56 6.52 0.0076 0.0012 0.0106 0.12 0.02 0.16 6.50 2.2 2.88 2.89 0.6 Olivine-bearing gabbronorite 10–30
5R-2W, 57–29 28.205 6.33 6.53 6.52 0.0008 0.0130 0.0084 0.01 0.20 0.13 6.46 3.2 2.90 2.92 1.1 Olivine-bearing gabbronorite 10–30
5R-2W, 60–62 28.235 6.65 6.49 6.62 0.0029 0.0015 0.0049 0.04 0.02 0.07 6.59 2.4 2.91 2.92 0.5 Olivine-bearing gabbronorite 10–30
7G-1W, 52–54 29.52 6.60 6.65 6.44 0.0042 0.0015 0.0096 0.06 0.02 0.15 6.56 3.2 2.87 2.88 0.7 Clinopyroxene oikocryst-bearing
troctolite 		60–90
8R-1W, 79–81 35.69 6.31 6.51 6.50 0.0032 0.0008 0.0005 0.05 0.01 0.01 6.44 3.1 2.90 2.91 0.7 Oikocryst gabbro 10–30
8R-2W, 80–82 37.17 6.53 6.44 6.54 0.0036 0.0035 0.0014 0.06 0.05 0.02 6.50 1.6 2.87 2.88 0.4 Clinopyroxene oikocryst-bearing
troctolite 		<10
8R-3W, 67–69 38.53 5.84 6.06 5.74 0.0024 0.0012 0.0008 0.04 0.02 0.01 5.88 5.4 2.87 2.91 2.0 Olivine-bearing gabbro 10–30
8R-3W, 83–85 38.69 6.13 6.30 6.47 0.0012 0.0029 0.0014 0.02 0.05 0.02 6.30 5.5 2.80 2.80 0.3 Cpx-oikocryst bearing troctolite 30–60
8R-3W, 112–114 38.98 6.23 5.98 6.16 0.0020 0.0061 0.0024 0.03 0.10 0.04 6.12 4.1 2.90 2.93 1.8 Olivine-bearing gabbro 10–30
9R-1W, 46–48 45.66 6.03 6.10 6.05 0.0039 0.0046 0.0031 0.06 0.08 0.05 6.06 1.0 2.95 2.99 2.1 Olivine-bearing gabbro 10–30
10R-1W, 41–43 55.71 6.62 6.70 6.49 0.0154 0.0027 0.0031 0.23 0.04 0.05 6.60 3.3 2.85 2.85 0.2 Troctolite 10–30
12R-1W, 107–109 70.77 5.89 5.91 5.78 0.0012 0.0072 0.0023 0.02 0.12 0.04 5.86 2.2 2.77 2.82 3.2 Olivine gabbro >90
13R-1W, 27–29 74.97 5.71 5.85 5.94 0.0163 0.0012 0.0021 0.29 0.02 0.04 5.83 4.0 2.80 2.85 2.9 Troctolite (cataclastic) 10–30
13R-1W, 41–43 75.11 5.96 6.02 5.96 0.0027 0.0005 0.0005 0.04 0.01 0.01 5.98 1.1 2.78 2.80 0.9 Troctolite 60–90
18R-1W, 143–145 85.83 5.84 5.82 5.88 0.0079 0.0054 0.0017 0.14 0.09 0.03 5.84 1.1 2.67 2.71 1.9 Troctolite 30–60
19R-1W, 16–18 89.26 5.88 5.92 5.93 0.0019 0.0055 0.0017 0.03 0.09 0.03 5.91 0.8 2.72 2.75 1.9 Troctolite 60–90
21R-1W, 56–58 99.36 5.55 5.45 5.48 0.0008 0.0021 0.0052 0.01 0.04 0.09 5.49 1.7 2.71 2.78 4.1 Olivine gabbro 60–90
21R-1W, 117–119 99.97 5.79 5.72 5.96 0.0043 0.0068 0.0008 0.07 0.12 0.01 5.83 4.1 2.78 2.84 3.3 Olivine gabbro 60–90
21R-2W, 26–28 100.375 5.29 5.32 5.42 0.0021 0.0014 0.0008 0.04 0.03 0.02 5.34 2.5 2.72 2.78 3.2 Olivine gabbro 60–90
23R-1W, 21–23 102.01 5.47 5.23 5.42 0.0010 0.0068 0.0012 0.02 0.13 0.02 5.37 4.3 2.76 2.82 3.3 Olivine gabbro 30–60
23R-1W, 50–52 102.3 6.01 6.20 5.98 0.0034 0.0053 0.0109 0.06 0.09 0.18 6.06 3.7 2.82 2.88 3.5 Olivine gabbro 30–60
Mean: 6.12 2.83 2.83 2.86 1.71    
Standard deviation: 0.38 1.29 0.08 0.07 1.20    
Maximum: 6.60 5.51 2.95 2.99 4.10    
Minimum: 5.34 0.84 2.67 2.71 0.20    

Previous   |    Close   |    Next   |    Top of page