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Table T20. Measurements of value, uncertainty, and directional dependence of thermal conductivity obtained, Hole U1309B.

Core, section,
 interval (cm)		 Depth
(midpoint)
(mbsf)		 Unit Primary lithology Thermal conductivity (W/[m·K])
Parallel –35° +35° Average Anisotropy (%)
Mean SD Mean SD Mean SD Mean SD
304-U1309B-
1R-3, 42–56 2.40 2 Plagioclase-phyric basalt 2.15 0.11 2.09 0.04 2.16 0.11 2.13 0.04 3
2R-1, 79–94 16.36 6 Sparsely plagioclase-phyric basalt 2.25 0.15 2.07 0.06 2.06 0.15 2.13 0.10 9
2R-2, 33–46 17.28 10 Plagioclase-phyric basalt 1.78 0.12 2.01 0.11 2.01 0.09 1.93 0.13 12
3R-1, 84–99 20.92 16 Aphyric basalt 3.24 0.09 3.29 0.12 3.16 0.07 3.23 0.06 4
4R-1, 27–41 24.77 19 Fine-grained altered basalt 2.27 0.12         2.27 0.12  
5R-2, 11–41 31.18 20 Diabase 2.04 0.01 2.04 0.07 2.06 0.04 2.05 0.01 1
6R-1, 107–127 34.36 22 Diabase 2.13 0.04 2.15 0.05 2.12 0.06 2.13 0.02 1
6R-2, 24–49 35.06 22 Diabase 2.12 0.04 2.15 0.07 2.10 0.02 2.12 0.02 2
7R-1, 0–17 38.10 24 Gabbro 2.05 0.05 2.09 0.07 2.10 0.03 2.08 0.02 2
8R-1, 48–57 43.53 28 Gabbro 2.61 0.11     2.31   2.46 0.21  
9R-1, 0–17 47.62 28 Gabbro 2.47 0.05 2.47 0.03 2.41 0.06 2.45 0.03 2
10R-1, 38–51 52.94 28 Gabbro 2.39 0.12 2.34 0.11 2.25 0.11 2.36 0.11 9
10R-2, 0–15 53.95 31 Gabbro 2.13 0.06 2.16 0.03 2.28 0.11 2.19 0.08 7
11R-1, 30–43 57.36 31 Gabbro 2.68 0.10 2.56 0.08 2.59 0.12 2.61 0.06 5
11R-1, 111–118 58.14 32 Harzburgite 3.70 0.12         3.70 0.12  
11R-1, 121–129 58.25 32 Harzburgite 4.12 0.09         4.12 0.09  
12R-1, 11–21 61.76 33 Diabase 2.19 0.09 2.19 0.04     2.19 0.00  
12R-1, 121–126 62.84 34 Diabase 2.12 0.06 2.12 0.17 2.16 0.02 2.14 0.02 2
12R-1, 121–126 62.84 34 Diabase         2.13 0.06 2.13 0.06 0
12R-2, 43–63 63.57 34 Diabase 2.11 0.08 2.16 0.07 2.11 0.06 2.13 0.02 2
13R-1, 95–118 67.16 34 Diabase 2.06 0.08 2.03 0.02 2.02 0.07 2.04 0.02 2
14R-1, 104–113 72.18 40 Plagioclase-phyric basalt 2.20 0.07 2.19 0.03 2.12 0.07 2.17 0.04 4
14R-1, 131–142 72.46 41 Troctolite 2.45 0.18 2.48 0.13 2.40 0.05 2.44 0.04 3
15R-1, 17–32 75.84 46 Layered gabbro 2.57 0.11 2.65 0.11 2.63 0.16 2.62 0.04 3
15R-1, 17–32 75.84 46 Layered gabbro         2.48 0.06 2.48 0.06  
15R-2, 54–60 77.45 46 Layered gabbro 3.41 0.09 3.33 0.07 3.31 0.15 3.35 0.05 3
16R-2, 92–98 82.72 50 Olivine gabbro 2.47 0.10 2.57 0.16 2.42 0.13 2.48 0.08 6
17R-2, 56–62 86.93 53 Olivine gabbro 2.71 0.10 2.78 0.08     2.74 0.06 3
18R-1, 43–49 90.06 56 Troctolite and olivine gabbro 2.42 0.07 2.52 0.19 2.43 0.07 2.46 0.05 4
18R-3, 97–103 93.47 60 Basalt 1.99 0.11         1.99 0.11  
19R-2, 37–52 96.02 62 Diabase 2.02 0.07         2.02 0.07  
20R-2, 29–43 100.66 62 Diabase 2.10 0.08         2.10 0.08  
Average: 2.44 0.09 2.37 0.08 2.33 0.08 2.42 0.06 3.9
Standard deviation: 0.53 0.03 0.37 0.05 0.33 0.04 0.50 0.04 2.9

Notes: SD = standard deviation. This table is also available in ASCII.

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