Table T1. Remanent magnetic properties of minicore samples from Leg 173 sites.

Core, section,
interval (cm)
Depth
(mbsf)
Lithology
NRM
(A/m)
NRM-Inc
(°)
ChRM-Inc
(°)

(10-5 SI)
Q
ratio
MDF/(Tb)
(mT)/(°C)
Polarity
173-1065A-                  
1R-1, 38-40 251.38 Chalk 1.14E-4 -49.9 -57.7 3.4 0.09 30 R
1R-1, 107-109 252.07 Chalk 1.10E-4 -80.1 -18.8 0.2 1.53 50 R
1R-2, 18-20 252.68 Chalk 2.88E-5 -18.5 39.3 1.8 0.04 (200) N
1R-2, 62-64 253.12 Chalk 2.83E-4 -42.4 -52.8 2.6 0.30 25 R
2R-1, 36-38 261.06 Chalk 7.08E-5 38.4 -31.5 6.0 0.03 (450) R
2R-1, 137-139 262.07 Chalk 1.02E-4 32.0 59.8 4.6 0.06 (100) N
3R-2, 11-13 271.91 Chalk 4.46E-5 52.3 -18.6 6.4 0.02 (450) R
4R-1, 135-137 281.35 Chalk 3.49E-5 44.8 -37.5 1.2 0.08 20 R
4R-2, 53-55 282.03 Chalk 3.32E-5 44.2 -18.8 3.2 0.03 (300) R
4R-2, 93-95 282.43 Chalk 9.05E-5 5.5 -20.0 1.8 0.14 30 R
5R-1, 47-49 290.07 Claystone 8.83E-5 58.5 -62.8 3.2 0.08 40 R
6R-1, 49-51 299.69 Chalk 6.45E-5 -36.5 -35.8 2.8 0.06 40 R
6R-1, 94-96 300.14 Chalk 1.18E-4 80.1 24.5 6.4 0.05 (300) N
9R-1, 20-22 328.30 Siltstone 2.27E-4 -26.4 -34.4 35.0 0.02 40 R
9R-1, 48-50 328.58 Siltstone 3.10E-4 63.4 60.8 19.8 0.04 40 N
10R-CC, 24-26 337.94 Clay 1.90E-4 38.8 6.2 65 N?
14R-CC, 10-12 376.10 Clay 2.42E-4 45.0 -59.3 40 R?
14R-CC, 12-14 376.12 Clay 1.10E-3 43.1 -9.1 10 R?
16R-CC, 19-21 395.49 Clay 1.70E-4 32.2 -10.7 40 R?
17R-1, 15-17 405.05 Clay 3.77E-4 27.6 39.1 10 N
18R-1, 13-15 424.33 Clay 3.50E-4 47.3 59.9 10 N
18R-1, 35-37 424.55 Clay 3.40E-4 8.1 53.6 28.2 0.03 25 N
18R-CC, 5-7 424.68 Clay 4.51E-4 9.92 15.7 40 N
23R-CC, 5-7 502.14 Claystone 5.09E-5 55.2 71.1 (350) N
24R-1,43-45 521.20 Claystone 1.98E-4 57.0 39.2 (250) N
26R-1, 23-25 540.23 Claystone 2.28E-4 45.9 51.3 19.2 0.03 (350) N
27R-1, 24-26 549.94 Claystone 1.84E-4 32.9 19.2 28.6 0.02 (300) N
27R-1, 40-42 550.10 Claystone 1.67E-4 41.7 28.2 29.6 0.02 (275) N
27R-1, 59-61 550.29 Claystone 1.36E-4 41.3 25.9 30.4 0.01 (200) N
27R-1, 70-72 550.4 Claystone 2.02E-4 24.1 37.4 28.6 0.02 (200) N
27R-1, 89-91 550.59 Claystone 1.83E-4 25.1 26.4 28.2 0.02 (225) N
27R-1, 103-105 550.73 Claystone 4.64E-5 45.1 59.0 29.2 0.004 (350) N
27R-1, 117-119 550.87 Claystone 1.39E-4 8.9 22.0 27.2 0.01 (250) N
27R-2, 5-7 551.25 Claystone 1.22E-4 23.4 39.1 28.8 0.01 (270) N
27R-2, 33-35 551.53 Claystone 3.19E-4 27.9 27.7 34.4 0.03 (225) N
27R-2, 45-47 551.65 Claystone 2.24E-4 10.3 3.1 29.6 0.02 (300) N
27R-2, 51-53 551.71 Claystone 1.50E-4 55.7 43.7 29.4 0.01 (200) N
27R-2, 57-59 551.77 Claystone 9.85E-5 19.0 29.9 29.4 0.01 (275) N
27R-2, 73-75 551.93 Claystone 1.40E-4 27.6 26.7 25.4 0.01 (325) N
27R-2, 115-117 552.35 Claystone 1.54E-4 20.5 3.6 28.6 0.02 (300) N
28R-1, 74-76 560.04 Claystone 4.38E-4 69.3 58.0 24.6 0.05 (250) N
29R-1, 38-40 569.28 Claystone 1.87E-4 -24.0 -30.6 (350) R
29R-1, 98-100 569.88 Claystone 3.24E-4 3.1 8.5 (320) N
29R-CC, 6-8 570.12 Claystone 3.15E-4 -24.8 -36.8 (350) R
30R-1, 76-78 579.26 Claystone 1.29E-4 24.9 18.5 (280) N
31R-1, 60-62 588.7 Claystone 1.57E-4 0.3 -39.4 (350) R
31R-1, 119-121 589.29 Claystone 1.97E-4 5.3 1.6 (325) N?
32R-1, 100-102 598.7 Claystone 1.80E-4 -33.1 -52.0 (350) R
32R-1, 111-113 598.81 Claystone 1.67E-4 -20.0 -46.5 (320) R
33R-1, 15-17 607.55 Claystone 1.80E-4 31.4 30.5 21.2 0.02 (350) N
33R-2, 19-21 609.04 Claystone 1.82E-4 10.5 11.3 27.0 0.02 (280) N
34R-1, 8-10 617.18 Claystone 1.93E-4 -5.9 -39.1 29.0 0.02 (350) R
173-1067A-                  
1R-2, 89-91 650.39 Claystone 1.67E-4 62.6 68.5 12.9 0.04 (270) N
2R-3, 50-52 661.10 Claystone 1.03E-4 43.1 -48.7 18.8 0.12 (400) R
3R-3, 100-102 671.30 Claystone 1.93E-4 89.7 79.1 27.4 0.03 (400) N
4R-2, 61-63 679.01 Claystone 9.89E-5 58.8 42.2 16.8 0.02 30 N
4R-2, 73-75 679.13 Claystone 1.16E-4 81.0 35.8 21.9 0.01 (400) N
5R-1, 53-55 687.03 Claystone 9.03E-5 66.5 63.4 11.8 0.02 20 N
5R-2, 86-88 688.86 Claystone 7.49E-3 34.5 16.7 41.3 0.64 (250) N
5R-3, 49-51 690.11 Claystone 1.37E-3 81.0 -17.7 14.0 0.27 15 R
6R-1, 57-59 696.67 Claystone 7.43E-4 46.2 27.5 14.6 0.14 45 N
6R-2, 14-16 697.74 Claystone 1.77E-4 59.2 31.5 6.6 0.07 45 N
8R-1, 136-138 716.86 Claystone 1.11E-4 64.3 24.2 2.4 0.13 15 N
8R-3, 115-117 719.65 Claystone 9.65E-5 39.4 27.1 14.2 0.02 20 N
9R-1, 68-70 725.88 Claystone 2.72E-3 67.2 63.9 19.6 0.39 35 N
10R-1, 113-115 735.93 Claystone 5.76E-3 -35.7 -49.5 23.8 0.68 25 R
10R-1, 122-124 736.02 Claystone 1.39E-2 62.0 28.9 24.2 1.60 10 N
10R-2, 58-60 736.88 Claystone 2.07E-3 20.4 -6.2 22.8 0.25 40 N?
10R-3, 38-40 738.18 Claystone 1.56E-3 -2.3 -3.1 18.0 0.24 100 N?
10R-4, 36-38 739.16 Claystone 1.93E-3 47.2 38.0 21.2 0.25 60 N
11R-1, 39-41 739.99 Claystone 8.60E-4 -31.7 0.2 21.6 0.11 80 N?
11R-1, 89-91 740.49 Claystone 5.94E-3 45.1 5.3 27.8 0.60 30 N
11R-2, 25-27 741.35 Claystone 1.25E-2 -35.0 -33.5 32.6 1.07 40 R
11R-3, 26-28 742.86 Claystone 3.23E-3 -2.4 -1.9 19.6 0.46 100 R?
11R-3, 61-63 743.21 Claystone 1.46E-3 69.4 48.1 20.6 0.20 20 N
12R-1, 8-10 744.58 Claystone 2.85E-2 9.1 -25.2 39.6 2.01 40 R
12R-1, 33-35 744.83 Claystone 3.85E-2 63.9 56.3 87.8 1.22 15 N
12R-2, 25-27 745.75 Claystone 2.10E-2 69.9 26.5 39.2 1.50 25 N
12R-2, 43-45 745.93 Claystone 4.52E-2 -3.7 -4.0 55.4 2.28 40 N?
16R-1, 49-51 764.30 Amphibolite 3.95E-2 79.9 68.4 98.5 1.12 (570) N
16R-1, 83-85 764.64 Amphibolite 4.36E-2 53.6 57.7 70 N
16R-2, 9-11 784.22 Amphibolite 5.31E-2 50.7 55.5 86.2 1.72 (560) N
16R-2, 13-15 784.26 Amphibolite 3.69E-2 32.8 33.1 70 N
18R-2, 28-30 803.43 Amphibolite 2.38E-2 86.9 88.0 89.1 0.75 (560) N
18R-2, 77-79 803.92 Amphibolite 2.34E-2 72.6 70.5 81.4 0.80 (570) N
18R-2, 87-89 804.02 Amphibolite 1.44E-2 53.7 13.7 70 N
19R-2, 28-30 813.2 Breccia 1.05E-2 14.9 13.1 75.1 0.39 (565) N
20R-1, 100-102 822.10 Breccia 5.20E-2 -17.9 -9.6 91.9 1.58 (570) R
21R-1, 114-116 831.94 Amphibolite 2.51E-3 58.1 71.1 64.2 0.01 (570) N
22R-1, 29-31 840.69 Amphibolite 1.57E-3 48.9 39.5 76.0 0.06 (575) N
23R-3, 4-6 852.89 Metagabbro 3.40E-3 50.5 43.8 127.7 0.09 (500) N
173-1068A-                  
1R-1, 51-53 711.81 Claystone 1.36E-2 47.8 29.3 40.2 0.94 30 N
1R-1, 59-61 711.88 Claystone 9.98E-4 58.9 67.2 22.2 0.13 15 N
1R-1, 76-78 712.06 Claystone 2.55E-4 -26.4 -32.2 14.4 0.05 40 R
1R-2, 129-131 714.09 Claystone 2.57E-4 -21.1 -20.3 15.4 0.05 20 R
1R-3, 19-21 714.49 Claystone 3.24E-4 -14.7 -23.2 17.6 0.05 50 R
1R-4, 116-118 716.96 Claystone 8.99E-5 10.2 -9.3 10.2 0.02 20 R
1R-5, 103-105 718.33 Claystone 1.23E-4 -14.0 -28.7 14.6 0.02 55 R
1R-6, 38-40 719.18 Claystone 1.06E-4 59.1 63.0 18.0 0.02 20 N
2R-1, 13-15 721.03 Claystone 5.01E-4 28.6 64.5 22.5 0.06 15 N
2R-1, 19-21 721.09 Claystone 4.22E-4 -10.6 66.5 19.7 0.06 15 N
2R-1, 23-25 721.13 Claystone 1.44E-4 27.8 61.2 5.3 0.08 20 N
2R-1, 58-60 721.48 Claystone 8.81E-5 36.1 34.9 16.8 0.01 40 N
2R-2, 74-76 723.14 Claystone 6.88E-4 -34.6 -40.0 15.0 0.13 45 R
2R-3, 85-87 724.75 Claystone 5.95E-5 24.2 19.1 16.8 0.01 10 N
2R-4, 72-74 726.12 Claystone 7.70E-5 -13.0 -8.7 14.8 0.01 20 R
2R-5, 38-40 727.28 Claystone 4.83E-5 15.1 18.3 14.6 0.01 20 N
3R-2, 139-141 732.99 Claystone 1.44E-4 44.1 47.0 19.4 0.02 (500) N
3R-4, 12-14 734.72 Claystone 1.11E-4 56.3 50.6 19.9 0.02 (500) N
3R-5, 28-30 736.38 Claystone 7.40E-5 25.8 9.4 20.4 0.01 30 N
3R-6, 8-10 737.68 Claystone 1.12E-3 35.8 31.7 22.9 0.14 (400) N
3R-6, 87-89 738.47 Claystone 1.01E-4 -3.7 -41.9 17.3 0.02 (300) R
3R-7, 0-2 739.10 Claystone 6.98E-5 48.9 16.4 0.01    
4R-1, 42-44 740.72 Claystone 1.34E-4 41.9 33.1 19.9 0.02 (200) N
4R-2, 12-14 741.92 Claystone 1.68E-4 -73.0 -52.8 11.0 0.04 (300) R
4R-3, 85-87 744.15 Claystone 1.96E-4 67.9 55.7 16.6 0.03 (200) N
4R-4, 95-97 745.75 Claystone 7.63E-5 32.4 37.3 19.7 0.01 (300) N
4R-5, 83-85 747.13 Claystone 5.91E-5 7.7 22.7 0.01    
4R-6, 2-4 747.82 Claystone 7.65E-5 51.5 22.7 21.7 0.01 (150) N
4R-6, 69-71 748.49 Claystone 1.36E-3 55.0 -27.0 32.5 0.12 (300) R
5R-1, 47-49 750.37 Claystone 1.21E-2 40.1 49.9 42.9 0.79 (400) N
5R-2, 98-100 752.38 Claystone 4.86E-2 76.3 72.6 40.6 3.34 (200) N
5R-3, 25-27 753.15 Claystone 2.43E-2 34.5 19.8 62.1 1.09 (200) N
5R-4, 86-88 755.26 Claystone 2.82E-3 -5.9 30.4 0.26    
5R-5, 62-64 756.52 Claystone 1.92E-2 44.0 33.9 43.7 1.23 (300) N
5R-6, 64-66 757.54 Claystone 1.05E-2 36.8 23.3 29.2 1.00 (200) N
6R-1, 108-110 760.68 Claystone 1.33E-5 35.6 40.7 32.8 0.001 20 N
6R-2, 126-128 762.36 Claystone 4.76E-5 -25.8 -63.5 14.4 0.01 20 R
6R-3, 43-45 763.03 Claystone 3.37E-5 -6.7 14.4 0.01    
6R-3, 62-64 763.22 Claystone 1.90E-4 49.2 19.4 12.6 0.04 25 N
6R-3, 108-110 763.68 Claystone 2.41E-4 69.1 47.9 12.4 0.05 30 N
6R-3, 137-139 763.97 Claystone 9.60E-4 49.1 6.0 0.45    
6R-4, 60-62 764.70 Claystone 2.09E-2 35.6 42.5 58.6 0.99 20 N
6R-5, 32-34 765.92 Claystone 1.69E-2 -7.0 -41.0 49.0 0.96 20 R
6R-6, 126-128 768.36 Claystone 6.47E-4 13.1 -4.8 13.6 0.13 10 R
6R-7, 36-38 768.96 Claystone 5.25E-3 -6.4 19.0 25.6 0.51 (350) N
7R-1, 34-36 769.64 Claystone 8.59E-3 -20.0 -18.7 28.8 0.83 10 R
7R-2, 120-122 772.00 Claystone 4.68E-2 4.8 -62.0 85.4 1.53 10 R
7R-3, 96-98 773.26 Claystone 1.01E-2 34.2 35.6 27.8 1.01 10 N
7R-4, 18-20 773.98 Claystone 8.91E-3 -16.1 -61.2 39.6 0.63 15 R
7R-4, 23-25 774.03 Claystone 1.62E-2 -13.7 -15.2 26.8 1.69 10 R
7R-4, 32-34 774.12 Claystone 5.26E-2 26.8 -12.3 55.6 2.64 10 R
7R-4, 51-53 774.31 Claystone 3.01E-2 -11.0 -14.5 35.6 2.36 20 R
7R-4, 72-74 774.52 Claystone 2.04E-3 -5.3 8.2 0.69    
7R-4, 86-88 774.66 Claystone 7.86E-2 74.2 65.2 572.7 0.38 25 N
7R-4, 124-126 775.04 Claystone 6.05E-2 -8.0 -52.6 62.4 2.71 40 R
7R-5, 9-11 775.39 Claystone 2.02E-2 -3.4 -31.0 47.6 1.18 50 R
7R-5, 64-66 775.94 Claystone 7.35E-2 62.0 69.1    
7R-5, 83-85 776.13 Claystone 5.11E-2 -1.9 -8.1 63.6 2.24 15 R
8R-1, 55-57 779.45 Claystone 7.67E-2 46.1 35.5 122.8 1.74 (200) N
8R-1, 108-110 779.98 Claystone 9.54E-2 47.5 38.9 87.4 3.05 20 N
8R-2, 9-11 780.49 Claystone 2.51E-2 -8.5 -30.2 71.0 0.99 (300) R
8R-2, 19-21 780.59 Claystone 4.66E-2 -4.7 -32.1 115.2 1.13 (300) R
8R-2, 30-32 780.70 Claystone 1.05E-1 -54.0 35.5 115.8 2.53 10 R
8R-2, 43-45 780.83 Claystone 4.04E-2 -24.0 -43.0 98.4 1.15 10 R
8R-2, 72-74 781.12 Claystone 9.34E-2 49.5 37.0 145.4 1.79 (400) N
8R-2, 101-103 781.41 Claystone 6.62E-2 -21.5 -22.6 67.4 2.74 (250) R
8R-2, 143-145 781.83 Claystone 3.05E-2 33.4 35.9 65.6 1.30 10 N
8R-3, 112-114 783.02 Claystone 2.14E-2 79.4 -12.9 77.5 0.77 (400) R
8R-4, 7-9 783.47 Claystone 3.92E-2 62.3 -46.8 75.9 1.44 (550) R
8R-5, 95-97 785.85 Claystone 1.16E-3 74.2 -39.3 26.6 0.12 (400) R
9R-2, 63-65 790.63 Claystone 3.72E-4 -5.2 11.1 11.8 0.09 (250) N
9R-3, 65-67 792.15 Claystone 2.66E-4 23.6 43.8 13.4 0.06 (400) N
9R-4, 49-51 793.49 Claystone 3.20E-3 -32.1 -21.2 10.6 0.84 60 R
9R-5, 11-13 794.61 Claystone 4.21E-4 -46.6 -65.4 10.4 0.11 60 R
9R-5, 53-55 795.03 Claystone 9.81E-4 49.9 31.6 18.4 0.15 30 N
9R-5, 67-69 795.17 Claystone 3.72E-4 88.0 73.8 10.6 0.10 25 N
9R-5, 87-89 795.37 Claystone 7.02E-4 63.8 54.5 7.4 0.26 25 N
9R-6, 141-143 797.41 Claystone 1.63E-4 -9.8 47.7 8.4 0.05 15 N
9R-7, 35-37 797.85 Claystone 2.06E-4 19.3 26.8 8.8 0.07 20 N
10R-1, 40-42 798.50 Chalk 5.25E-4 37.8 52.1 16.0 0.09 25 N
10R-1, 50-52 798.60 Chalk 1.12E-3 58.3 59.4 10.4 0.30 40 N
10R-1, 71-73 798.81 Chalk 2.16E-4 -12.7 -9.5 8.0 0.08 30 R
10R-2, 27-29 799.87 Chalk 1.91E-4 45.2 65.1 7.8 0.07 60 N
10R-2, 38-40 799.98 Chalk 2.05E-4 63.3 47.9 8.0 0.07 15 N
10R-3, 79-81 801.89 Chalk 1.67E-4 -16.9 -14.5 17.4 0.03 100 R
11R-1, 23-25 807.93 Claystone 4.05E-4 20.8 13.9 23.6 0.05 30 N
11R-2, 15-17 809.35 Claystone 1.81E-3 58.7 22.4 0.23    
11R-2, 26-28 809.46 Claystone 7.68E-4 63.4 59.0 11.2 0.19 20 N
11R-2, 74-76 809.94 Claystone 3.23E-4 -11.2 -20.6 10.6 0.09 25 R
11R-3, 77-79 811.47 Claystone 5.83E-4 71.8 22.2 13.0 0.13 (200) N
11R-4, 13-15 812.33 Claystone 1.72E-3 4.3 -86.2 10.2 0.47 10 R?
11R-5, 94-96 814.64 Claystone 3.14E-3 -12.6 22.4 10.0 0.88 10 N