Initial Reports, Volume 209 Ms 209IR-106 Chapter 6, Table T6. Thermal conductivity measurements, Holes 1271A and 1271B. Notes: * = average of four measurements. 0 = parallel to core axis, 1 = oblique to core axis (~35 degrees), 2 = oblique to core axis (~35 degrees) in opposite direction. Core, section, interval (cm) Depth (mbsf) Piece Thermal conductivity* (W/mK) Std. dev. Stad. error Needle orientation Apparent anisotropy (%) Primary lithology 209-1271A- 1R-1, 52-66 0.52 10 3.05 0.042 0.021 0 4.4 Serpentinite 1R-1, 52-66 0.52 10 2.92 0.049 0.024 1 Serpentinite 1R-1, 52-66 0.52 10 2.95 0.030 0.015 2 Serpentinite 4R-2, 77-89 30.54 6 3.15 0.029 0.015 0 0.6 Serpentinite 4R-2, 77-89 30.54 6 3.17 0.027 0.013 1 Dunite/Serpentinite 4R-2, 77-89 30.54 6 3.16 0.010 0.005 2 Dunite/Serpentinite 209-1271B- 5R-1, 49-60 28.19 10 2.69 0.015 0.008 0 5.5 Dunite 5R-1, 49-60 28.19 10 2.84 0.007 0.003 1 Dunite 5R-1, 49-60 28.19 10 2.69 0.009 0.004 2 Dunite 10R-1, 106-118 51.56 19 3.04 0.028 0.014 0 2.0 Harzburgite 10R-1, 106-118 51.56 19 3.00 0.031 0.015 1 Harzburgite 10R-1, 106-118 51.56 19 3.07 0.030 0.015 2 Harzburgite 12R-1, 126-140 61.36 21 2.88 0.012 0.006 0 1.8 Troctolite 12R-1, 126-140 61.36 21 2.93 0.025 0.013 1 Troctolite 12R-1, 126-140 61.36 21 2.88 0.017 0.008 2 Troctolite 18R-1, 49-59 89.59 10 2.54 0.015 0.007 0 3.1 Dunite 18R-1, 49-59 89.59 10 2.56 0.021 0.010 1 Dunite 18R-1, 49-59 89.59 10 2.48 0.018 0.009 2 Dunite 19R-2, 1-12 95.61 1 2.80 0.004 0.002 0 3.1 Dunite 19R-2, 1-12 95.61 1 2.73 0.002 0.001 1 Dunite 19R-2, 1-12 95.61 1 2.82 0.015 0.007 2 Dunite