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Table T10. Discrete sample remanence data, Hole U1415J.

Core, section, interval (cm) Depth (mbsf) Lithology NRM Principal component analysis
Declination
(°)
Inclination
(°)
Intensity
(A/m)
Treatment Low High n
points
Origin model MAD
(°)
Declination
(°)
Inclination
(°)
Intensity
(A/m)
345-U1415J-
3R-1, 26 15.26 Olivine-bearing gabbro 175.7 –80.1 4.59E–03 LTD/Th 250 425 5 F 3.4 351.3 –84.1 1.80E–03
              425 510 5 F 2.9 90 –62 4.00E–03
              520 560 5 A 6.4 248.9 46.2 6.00E–04
5R-1, 122 27.42 Olivine-bearing gabbronorite 281.9 –13.4 2.31E–02 LTD/Th 350 510 7 F 13.6 299.7 –36.1 1.06E–02
              530 570 5 F 5.9 74.3 34.6 5.30E–03
5R-1, 130 27.50 Olivine-bearing gabbro 211.4 18.9 2.19E+00 LTD/Th LTD2 550 17 F 5.6 215.6 29.7 2.77E–01
              550 590 5 F 0.8 215.7 14.3 5.45E–01
5R-2, 19 27.83 Olivine-bearing gabbronorite 138.2 22.5 1.52E+00 LTD/Th LTD2 590 21 F 3.9 145 12.1 7.22E–01
5R-2, 35 27.99 Olivine-bearing gabbronorite 172 18.7 1.55E+00 LTD/Th LTD1 590 22 F 4.6 168.5 26 1.11E+00
5R-2, 58 28.22 Olivine-bearing gabbronorite 78.1 –44.6 6.94E–02 AF 15 35 5 F 5 83.9 –79.5 4.18E–02
5R-2, 61 28.25 Olivine-bearing gabbronorite 130.9 11.6 5.88E–01 LTD/Th LTD2 550 17 F 7.1 128.5 14.4 1.47E–01
              550 580 4 F 3.8 127.6 0.6 2.03E–01
8R-1, 80 35.70 Oikocryst gabbro 16 –28.9 9.63E–01 Th 150 530 10 F 2.7 16.2 –19.1 4.59E–01
              530 580 6 F 4.9 23.2 –41.7 3.29E–01
8R-1, 84 35.74 Oikocryst gabbro 238.7 68.5 1.09E–01 LTD/Th 520 580 7 F 4.2 206.3 –79.5 9.56E–02
8R-2, 81 37.18 Clinopyroxene oikocryst-bearing troctolite 249.8 –16.8 8.85E–01 LTD/Th LTD2 450 10 F 7.2 240 –12 9.98E–02
              450 580 11 F 4.5 251.1 –41.8 4.11E–01
8R-3, 68 38.54 Olivine-bearing gabbro 235.4 45.9 2.50E–02 LTD/Th LTD1 300 7 F 4.6 235 50.3 1.85E–02
8R-3, 84 38.70 Clinopyroxene oikocryst-bearing troctolite 177.5 –60.4 8.66E+00 LTD/Th LTD1 580 21 F 3.4 182.8 –68.9 5.30E+00
8R-3, 113 38.99 Olivine-bearing gabbro 349.6 43.4 3.72E–02 LTD/Th LTD2 475 11 F 9.8 268.3 –69 5.80E–03
              475 580 10 F 2 11.8 49.9 3.66E–02
9R-1, 47 45.67 Olivine-bearing gabbro 147 –63.2 1.58E–01 LTD/Th 100 450 9 F 4 168.4 –59.2 6.05E–02
              450 510 4 F 2.3 127.5 –73.5 6.41E–02
10R-1, 42 55.72 Troctolite 51.7 –30.2 1.16E+00 LTD/Th LTD1 590 22 F 5.1 32.3 –36.2 7.19E–01
12R-1, 108 70.78 Olivine gabbro 0 55.6 1.26E–03 LTD/Th No pick              
13R-1, 28 74.98 Highly altered troctolite 94 26.8 4.96E–04 LTD/Th No pick              
13R-1, 42 75.12 Troctolite 119.5 34.2 1.85E+01 LTD/Th LTD1 540 17 F 6.9 124.4 34.9 4.06E+00
              540 590 6 F 2.2 124.3 23 5.54E+00
15G1, 15 37.15 Clinopyroxene oikocryst-bearing troctolite 221.9 62.9 5.10E–01 LTD/Th LTD1 550 17 F 12.1 203.2 77.9 2.03E–01
              550 580 4 F 3.4 224.8 55.3 3.06E–01
18R-1, 144 85.84 Troctolite 114.4 7.1 2.41E+00 LTD/Th LTD2 510 13 F 8.3 16.4 –17.1 8.19E–01
              510 580 8 F 2.5 60.4 –52.7 1.33E+00
19R-1, 17 89.27 Troctolite 261.3 –48.4 2.97E+00 LTD/Th 400 560 11 F 4.4 259.2 –38.2 1.08E+00
              560 580 3 F 1.7 287.8 –58.5 7.39E–01
21R-1, 57 99.37 Olivine gabbro 306.7 –52 2.69E–03 LTD/Th LTD1 540 17 F 16.8 303.6 –59.6 1.30E–03
21R-1, 118 99.98 Olivine gabbro 250.2 –79 1.78E–03 LTD/Th 100 450 9 F 12 91.5 –55.5 8.00E–04
21R-1, 120 100.00 Olivine gabbro 123.7 –26.4 1.80E–03 AF 10 80 12 F 4.6 133.3 –58.3 1.94E–03
21R-2, 27 100.39 Olivine gabbro 264.4 –35.6 4.56E–03 LTD/Th LTD2 350 7 F 11.8 219.3 –36.7 9.00E–04
              350 560 12 A 7.4 290.7 –40.4 2.20E–03
23R-1, 22 102.02 Olivine gabbro 154.8 –35.1 3.19E–03 LTD/Th 100 350 6 F 6.4 296.4 –31.5 1.20E–03
              450 510 4 F 0.8 134.9 0.4 1.09E–02
              510 560 6 F 4.8 311.1 –13.9 4.60E–03
23R-1, 51 102.31 Olivine gabbro 150.2 –25.9 1.58E–02 LTD/Th NRM 450 12 F 12.7 244 –50.3 2.70E–03
              450 520 5 F 1.4 143.5 –17.1 1.60E–02
              520 540 3 F 3.8 323.1 13.9 7.00E–04

NRM = natural remanent magnetization, LTD = low-temperature demagnetization, Th = thermal demagnetization, AF = alternating field demagnetization. F = free, A = anchored. MAD = maximum angular deviation.

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