Table T2. Basalt sample IRM acquisition data, Hole U1301B. (See table notes.)

Core, section, interval (cm): Hole U1301B
7R-1, 12 7R-1, 12 15R-1, 44 15R-1, 44 15R-2, 141 15R-2, 141 15R-4, 135 15R-4, 135 18R-1, 36 18R-1, 36 18R-4, 140 18R-4, 140 25R-2, 79 25R-2, 79 33R-2,138 33R-2,138
Step Field (Oe) Halo M (emu) Field (Oe) Normal M (emu) Field (Oe) Halo M (emu) Field (Oe) Normal M (emu) Field (Oe) Halo M (emu) Field (Oe) Normal M (emu) Field (Oe) Halo M (emu) Field (Oe) Normal M (emu) Field (Oe) Halo M (emu) Field (Oe) Normal M (emu) Field (Oe) Halo M (emu) Field (Oe) Normal M (emu) Field (Oe) Halo M (emu) Field (Oe) Normal M (emu) Field (Oe) Halo M (emu) Field (Oe) Normal M (emu)
1 0.8 2.08E–04 0.9 6.68E–05 0.9 1.34E–04 0.9 3.59E–04 0.9 1.45E–04 0.8 5.33E–05 0.9 1.82E–04 0.9 8.17E–05 0.9 1.45E–04 8.81E–01 7.07E–05 0.8 1.83E–04 0.8 2.92E–04 0.2 1.58E–04 0.9 1.99E–04 8.45E–01 1.49E–04 8.35E–01 1.77E–04
2 128.0 1.99E–03 128.0 6.78E–04 128.1 4.44E–03 128.0 1.18E–02 250.4 1.04E–02 250.5 3.37E–03 128.0 1.65E–03 128.1 9.10E–04 250.5 1.06E–02 2.50E+02 3.37E–03 128.0 1.60E–03 128.0 3.44E–03 50.1 3.29E–04 128.0 5.56E–03 2.50E+02 9.80E–03 2.50E+02 1.08E–02
3 250.3 1.10E–02 250.5 3.06E–03 250.5 8.80E–03 250.4 1.88E–02 500.1 1.90E–02 500.1 6.29E–03 250.5 9.87E–03 250.5 4.45E–03 500.2 1.42E–02 5.00E+02 3.75E–03 250.4 1.01E–02 250.5 1.55E–02 100.0 1.29E–03 250.4 1.29E–02 5.00E+02 1.76E–02 5.00E+02 1.41E–02
4 377.5 1.96E–02 377.5 4.36E–03 377.6 1.06E–02 377.7 2.10E–02 754.5 2.16E–02 754.5 7.05E–03 377.7 1.79E–02 377.7 7.20E–03 754.5 1.50E–02 7.54E+02 3.84E–03 377.6 1.85E–02 377.6 2.36E–02 150.0 4.13E–03 377.5 1.53E–02 7.54E+02 1.97E–02 7.54E+02 1.46E–02
5 499.9 2.40E–02 499.9 4.78E–03 500.0 1.14E–02 500.0 2.18E–02 1,003.6 2.26E–02 1,003.7 7.30E–03 500.0 2.25E–02 500.1 8.59E–03 1,003.8 1.53E–02 1.00E+03 3.87E–03 500.0 2.29E–02 500.0 2.69E–02 199.9 8.21E–03 500.0 1.60E–02 1.00E+03 2.04E–02 1.00E+03 1.47E–02
6 626.9 2.60E–02 626.9 4.95E–03 627.0 1.18E–02 627.0 2.22E–02 1,253.0 2.31E–02 1,253.0 7.42E–03 627.0 2.52E–02 627.1 9.35E–03 1,253.3 1.54E–02 1.25E+03 3.88E–03 626.9 2.53E–02 626.9 2.85E–02 251.2 1.24E–02 626.9 1.62E–02 1.25E+03 2.07E–02 1.25E+03 1.48E–02
7 754.4 2.71E–02 754.4 5.04E–03 754.2 1.20E–02 754.4 2.25E–02 1,502.4 2.33E–02 1,502.3 7.47E–03 754.4 2.68E–02 754.5 9.77E–03 1,502.7 1.55E–02 1.50E+03 3.89E–03 754.3 2.66E–02 754.4 2.93E–02 301.1 1.58E–02 754.3 1.63E–02 1.50E+03 2.09E–02 1.50E+03 1.48E–02
8 876.1 2.76E–02 876.2 5.09E–03 876.1 1.21E–02 876.2 2.26E–02 1,751.9 2.35E–02 1,751.8 7.50E–03 876.2 2.77E–02 876.4 9.99E–03 1,752.1 1.55E–02 1.75E+03 3.90E–03 876.1 2.74E–02 876.2 2.97E–02 351.1 1.86E–02 876.1 1.64E–02 1.75E+03 2.10E–02 1.75E+03 1.49E–02
9 1,003.4 2.79E–02 1,003.4 5.12E–03 1,003.4 1.22E–02 1,003.5 2.27E–02 2,001.1 2.36E–02 2,001.1 7.52E–03 1,003.5 2.83E–02 1,003.7 1.01E–02 2,001.4 1.56E–02 2.00E+03 3.90E–03 1,003.4 2.79E–02 1,003.5 3.00E–02 400.9 2.07E–02 1,003.4 1.65E–02 2.00E+03 2.10E–02 2.00E+03 1.49E–02
10 1,125.7 2.80E–02 1,125.8 5.14E–03 1,125.7 1.23E–02 1,125.8 2.28E–02 2,255.5 2.37E–02 2,255.5 7.54E–03 1,125.9 2.88E–02 1,126.0 1.02E–02 2,255.8 1.56E–02 2.25E+03 3.91E–03 1,125.7 2.82E–02 1,125.8 3.02E–02 450.8 2.23E–02 1,125.8 1.65E–02 2.26E+03 2.11E–02 2.26E+03 1.49E–02
11 1,252.6 2.82E–02 1,252.7 5.15E–03 1,252.6 1.23E–02 1,252.7 2.29E–02 2,504.4 2.37E–02 2,504.2 7.55E–03 1,252.8 2.91E–02 1,253.0 1.03E–02 2,504.7 1.56E–02 2.50E+03 3.91E–03 1,252.7 2.84E–02 1,252.7 3.03E–02 500.6 2.35E–02 1,252.7 1.65E–02 2.50E+03 2.11E–02 2.50E+03 1.49E–02
12 1,374.9 2.82E–02 1,374.9 5.16E–03 1,374.9 1.23E–02 1,374.9 2.29E–02 2,753.8 2.37E–02 2,753.6 7.55E–03 1,375.0 2.93E–02 1,375.2 1.03E–02 2,754.2 1.56E–02 2.75E+03 3.92E–03 1,374.8 2.85E–02 1,374.9 3.04E–02 550.5 2.44E–02 1,374.9 1.65E–02 2.75E+03 2.11E–02 2.75E+03 1.49E–02
13 1,502.0 2.83E–02 1,502.1 5.16E–03 1,502.0 1.24E–02 1,502.1 2.29E–02 3,003.1 2.38E–02 3,002.9 7.55E–03 1,502.2 2.94E–02 1,502.4 1.04E–02 3,003.5 1.56E–02 3.00E+03 3.92E–03 1,501.9 2.86E–02 1,502.0 3.05E–02 600.5 2.51E–02 1,502.0 1.65E–02 3.00E+03 2.11E–02 3.00E+03 1.49E–02
14 1,629.1 2.83E–02 1,629.2 5.17E–03 1,629.2 1.24E–02 1,629.2 2.30E–02 3,252.3 2.38E–02 3,252.1 7.55E–03 1,629.4 2.96E–02 1,629.6 1.04E–02 3,252.6 1.56E–02 3.25E+03 3.92E–03 1,629.1 2.87E–02 1,629.3 3.05E–02 651.9 2.56E–02 1,629.2 1.66E–02 3.25E+03 2.11E–02 3.25E+03 1.49E–02
15 1,751.3 2.84E–02 1,751.5 5.18E–03 1,751.2 1.24E–02 1,751.4 2.30E–02 3,501.7 2.38E–02 3,501.4 7.55E–03 1,751.7 2.96E–02 1,751.8 1.04E–02 3,502.0 1.56E–02 3.50E+03 3.92E–03 1,751.3 2.88E–02 1,751.5 3.06E–02 701.8 2.61E–02 1,751.5 1.66E–02 3.50E+03 2.11E–02 3.50E+03 1.49E–02
16 1,878.3 2.84E–02 1,878.5 5.18E–03 1,878.4 1.24E–02 1,878.5 2.30E–02 3,755.6 2.38E–02 3,755.3 7.56E–03 1,878.6 2.97E–02 1,878.8 1.04E–02 3,756.1 1.56E–02 3.75E+03 3.93E–03 1,878.3 2.88E–02 1,878.6 3.06E–02 751.5 2.64E–02 1,878.4 1.66E–02 3.76E+03 2.11E–02 3.75E+03 1.49E–02
17 2,000.5 2.84E–02 2,000.7 5.18E–03 2,000.6 1.24E–02 2,000.7 2.30E–02 4,004.7 2.38E–02 4,004.5 7.56E–03 2,000.9 2.98E–02 2,001.0 1.05E–02 4,005.3 1.56E–02 4.00E+03 3.93E–03 2,000.5 2.88E–02 2,000.8 3.07E–02 801.5 2.67E–02 2,000.6 1.66E–02 4.00E+03 2.11E–02 4.00E+03 1.49E–02
18 2,127.7 2.84E–02 2,128.0 5.18E–03 2,127.8 1.24E–02 2,127.9 2.31E–02 4,254.4 2.38E–02 4,254.2 7.56E–03 2,128.1 2.98E–02 2,128.3 1.05E–02 4,254.9 1.56E–02 4.25E+03 3.93E–03 2,127.8 2.89E–02 2,128.0 3.07E–02 851.3 2.69E–02 2,127.8 1.66E–02 4.25E+03 2.11E–02 4.25E+03 1.49E–02
19 2,254.9 2.84E–02 2,255.0 5.19E–03 2,254.9 1.24E–02 2,255.0 2.31E–02 4,503.4 2.38E–02 4,503.1 7.56E–03 2,255.2 2.99E–02 2,255.4 1.05E–02 4,503.9 1.56E–02 4.50E+03 3.93E–03 2,254.9 2.89E–02 2,255.0 3.07E–02 901.2 2.70E–02 2,254.9 1.66E–02 4.50E+03 2.11E–02 4.50E+03 1.49E–02
20 2,377.1 2.85E–02 2,377.3 5.19E–03 2,377.1 1.24E–02 2,377.2 2.31E–02 4,752.7 2.38E–02 4,752.4 7.56E–03 2,377.4 2.99E–02 2,377.7 1.05E–02 4,753.5 1.56E–02 4.75E+03 3.93E–03 2,377.1 2.89E–02 2,377.3 3.07E–02 951.2 2.72E–02 2,377.1 1.66E–02 4.75E+03 2.12E–02 4.75E+03 1.49E–02
21 2,503.6 2.85E–02 2,503.7 5.19E–03 2,503.6 1.24E–02 2,503.7 2.31E–02 5,001.6 2.38E–02 5,001.3 7.57E–03 2,504.0 2.99E–02 2,504.2 1.05E–02 5,002.3 1.56E–02 5.00E+03 3.93E–03 2,503.6 2.89E–02 2,503.8 3.08E–02 1,001.0 2.73E–02 2,503.7 1.66E–02 5.00E+03 2.12E–02 5.00E+03 1.49E–02
22 2,626.0 2.85E–02 2,626.2 5.19E–03 2,626.0 1.24E–02 2,626.2 2.31E–02 5,255.5 2.38E–02 5,255.2 7.57E–03 2,626.3 3.00E–02 2,626.6 1.05E–02 5,256.1 1.56E–02 5.25E+03 3.93E–03 2,626.1 2.90E–02 2,626.2 3.08E–02 1,050.9 2.74E–02 2,626.1 1.67E–02 5.25E+03 2.12E–02 5.25E+03 1.49E–02
23 2,752.9 2.85E–02 2,753.0 5.20E–03 2,752.8 1.24E–02 2,753.1 2.31E–02 5504.8 2.38E–02 5,504.4 7.57E–03 2,753.2 3.00E–02 2,753.6 1.05E–02 5,505.5 1.56E–02 5.50E+03 3.93E–03 2,752.9 2.90E–02 2,753.1 3.08E–02 1,102.2 2.75E–02 2,752.9 1.67E–02 5.50E+03 2.12E–02 5.50E+03 1.49E–02
24 2,880.0 2.85E–02 2,880.2 5.20E–03 2,880.0 1.25E–02 2,880.2 2.31E–02 5,753.8 2.38E–02 5,753.4 7.57E–03 2,880.4 3.00E–02 2,880.6 1.05E–02 5,754.4 1.56E–02 5.75E+03 3.92E–03 2,880.0 2.90E–02 2,880.2 3.08E–02 1,152.1 2.76E–02 2,880.1 1.67E–02 5.75E+03 2.12E–02 5.75E+03 1.49E–02
25 3,002.3 2.85E–02 3,002.3 5.20E–03 3,002.3 1.25E–02 3,002.5 2.31E–02 6,003.0 2.38E–02 6,002.6 7.57E–03 3,002.7 3.00E–02 3,002.9 1.05E–02 6,003.8 1.56E–02 6.00E+03 3.92E–03 3,002.2 2.90E–02 3,002.4 3.08E–02 1,201.9 2.76E–02 3,002.3 1.67E–02 6.00E+03 2.12E–02 6.00E+03 1.49E–02
26 3,129.3 2.85E–02 3,129.4 5.21E–03 3,129.2 1.25E–02 3,129.5 2.32E–02 6,252.3 2.38E–02 6,251.9 7.58E–03 3,129.8 3.00E–02 3,130.0 1.05E–02 6,253.1 1.56E–02 6.25E+03 3.92E–03 3,129.2 2.90E–02 3,129.5 3.08E–02 1,251.9 2.77E–02 3,129.3 1.67E–02 6.25E+03 2.12E–02 6.25E+03 1.49E–02
27 3,251.4 2.85E–02 3,251.4 5.21E–03 3,251.3 1.25E–02 3,251.4 2.32E–02 6,506.3 2.38E–02 6,505.9 7.57E–03 3,251.7 3.00E–02 3,252.1 1.05E–02 6,507.0 1.56E–02 6.50E+03 3.92E–03 3,251.3 2.90E–02 3,251.6 3.09E–02 1,301.8 2.77E–02 3,251.4 1.67E–02 6.51E+03 2.12E–02 6.51E+03 1.49E–02
28 3,378.5 2.85E–02 3,378.5 5.21E–03 3,378.4 1.25E–02 3,378.5 2.32E–02 6,755.5 2.39E–02 6,755.0 7.57E–03 3,378.9 3.01E–02 3,379.2 1.05E–02 6,756.2 1.56E–02 6.75E+03 3.92E–03 3,378.4 2.90E–02 3,378.6 3.09E–02 1,351.6 2.78E–02 3,378.5 1.67E–02 6.75E+03 2.12E–02 6.75E+03 1.49E–02
29 3,500.6 2.85E–02 3,500.6 5.21E–03 3,500.5 1.25E–02 3,500.7 2.32E–02 7,004.3 2.38E–02 7,003.8 7.57E–03 3,501.1 3.01E–02 3,501.4 1.05E–02 7,005.1 1.56E–02 7.00E+03 3.92E–03 3,500.5 2.90E–02 3,500.8 3.09E–02 1,401.5 2.78E–02 3,500.7 1.67E–02 7.00E+03 2.12E–02 7.00E+03 1.49E–02
30 3,627.6 2.85E–02 3,627.7 5.21E–03 3,627.6 1.25E–02 3,627.7 2.32E–02 7,253.6 2.38E–02 7,253.1 7.58E–03 3,628.1 3.01E–02 3,628.4 1.05E–02 7,254.5 1.56E–02 7.25E+03 3.92E–03 3,627.5 2.90E–02 3,627.8 3.09E–02 1,451.4 2.78E–02 3,627.7 1.67E–02 7.25E+03 2.11E–02 7.25E+03 1.49E–02
31 3,754.5 2.85E–02 3,754.5 5.21E–03 3,754.5 1.25E–02 3,754.6 2.31E–02 7,502.4 2.38E–02 7,501.9 7.57E–03 3,754.9 3.01E–02 3,755.3 1.05E–02 7,503.3 1.56E–02 7.50E+03 3.92E–03 3,754.4 2.90E–02 3,754.7 3.09E–02 1,501.2 2.79E–02 3,754.6 1.67E–02 7.50E+03 2.11E–02 7.50E+03 1.49E–02
32 3,876.7 2.85E–02 3,876.7 5.21E–03 3,876.6 1.25E–02 3,876.8 2.32E–02 7,751.1 2.39E–02 7,750.6 7.57E–03 3,877.2 3.01E–02 3,877.5 1.05E–02 7,752.0 1.56E–02 7.75E+03 3.92E–03 3,876.5 2.90E–02 3,876.9 3.09E–02 1,552.6 2.79E–02 3,876.7 1.67E–02 7.75E+03 2.11E–02 7.75E+03 1.49E–02
33 4,003.5 2.85E–02 4,003.7 5.21E–03 4,003.6 1.25E–02 4,003.7 2.32E–02 8,005.1 2.38E–02 8,004.5 7.57E–03 4,004.1 3.01E–02 4,004.5 1.05E–02 8,006.0 1.56E–02 8.00E+03 3.92E–03 4,003.5 2.90E–02 4,003.8 3.09E–02 1,602.4 2.79E–02 4,003.7 1.67E–02 8.00E+03 2.11E–02 8.00E+03 1.49E–02
34 4,126.3 2.85E–02 4,126.4 5.21E–03 4,126.3 1.25E–02 4,126.4 2.32E–02 8,254.1 2.38E–02 8,253.4 7.58E–03 4,126.9 3.01E–02 4,127.2 1.05E–02 8,255.0 1.56E–02 8.25E+03 3.92E–03 4,126.2 2.90E–02 4,126.6 3.09E–02 1,652.3 2.79E–02 4,126.5 1.67E–02 8.25E+03 2.11E–02 8.25E+03 1.49E–02
35 4,253.1 2.85E–02 4,253.3 5.21E–03 4,253.1 1.25E–02 4,253.3 2.32E–02 8,503.1 2.39E–02 8,502.5 7.58E–03 4,253.8 3.01E–02 4,254.1 1.05E–02 8,504.0 1.56E–02 8.50E+03 3.92E–03 4,253.1 2.90E–02 4,253.5 3.09E–02 1,702.2 2.79E–02 4,253.3 1.67E–02 8.50E+03 2.11E–02 8.50E+03 1.49E–02
36 4,380.0 2.85E–02 4,380.2 5.21E–03 4,380.1 1.25E–02 4,380.2 2.32E–02 8,751.9 2.39E–02 8,751.2 7.57E–03 4,380.7 3.01E–02 4,381.1 1.05E–02 8,753.1 1.56E–02 8.75E+03 3.92E–03 4,380.0 2.90E–02 4,380.4 3.09E–02 1,752.0 2.80E–02 4,380.2 1.67E–02 8.75E+03 2.11E–02 8.75E+03 1.49E–02
37 4,502.0 2.85E–02 4,502.2 5.21E–03 4,502.1 1.25E–02 4,502.3 2.32E–02 9,000.9 2.39E–02 9,000.2 7.58E–03 4,502.7 3.01E–02 4,503.1 1.05E–02 9,002.0 1.56E–02 9.00E+03 3.91E–03 4,502.0 2.91E–02 4,502.4 3.09E–02 1,801.9 2.80E–02 4,502.2 1.67E–02 9.00E+03 2.11E–02 9.00E+03 1.49E–02
38 4,629.1 2.85E–02 4,629.3 5.21E–03 4,629.1 1.25E–02 4,629.2 2.32E–02 9,250.0 2.38E–02 9,249.4 7.58E–03 4,629.7 3.01E–02 4,630.1 1.05E–02 9,251.1 1.56E–02 9.25E+03 3.92E–03 4,629.0 2.91E–02 4,629.4 3.09E–02 1,851.9 2.80E–02 4,629.3 1.67E–02 9.25E+03 2.11E–02 9.25E+03 1.49E–02
39 4,751.3 2.85E–02 4,751.4 5.21E–03 4,751.3 1.25E–02 4,751.5 2.32E–02 9,503.6 2.39E–02 9,503.0 7.58E–03 4,751.9 3.01E–02 4,752.4 1.05E–02 9,504.8 1.56E–02 9.50E+03 3.92E–03 4,751.2 2.91E–02 4,751.6 3.09E–02 1,901.7 2.80E–02 4,751.5 1.67E–02 9.50E+03 2.11E–02 9.50E+03 1.49E–02
40 4,878.3 2.85E–02 4,878.4 5.21E–03 4,878.3 1.25E–02 4,878.4 2.32E–02 9,752.8 2.39E–02 9,752.1 7.57E–03 4,878.9 3.01E–02 4,879.4 1.05E–02 9,754.0 1.56E–02 9.75E+03 3.92E–03 4,878.3 2.91E–02 4,878.6 3.09E–02 1,953.0 2.80E–02 4,878.5 1.67E–02 9.75E+03 2.11E–02 9.75E+03 1.49E–02
41 5,004.8 2.85E–02 5,004.9 5.22E–03 5,004.8 1.25E–02 5,005.0 2.32E–02 10,001.6 2.38E–02 10,001.0 7.58E–03 5,005.5 3.01E–02 5,006.0 1.05E–02 10,002.9 1.56E–02 1.00E+04 3.92E–03 5,004.8 2.91E–02 5,005.1 3.09E–02 2,002.8 2.80E–02 5,005.0 1.67E–02 1.00E+04 2.11E–02 1.00E+04 1.49E–02

Notes: Field = applied field, M = magnetization. Halo = samples from alteration halos, normal = samples from adjacent rock.