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Table T3. Discrete sample paleomagnetic results, Hole U1350A.

Core, section,
interval (cm) 		Depth
(mbsf) 		Flow
unit 		Lithology Analysis
location 		Demagnetization
treatment 		Steps
(mT, °C) 		N Inc anc
(°) 		MAD anc
(°) 		Inc
(°) 		MAD
(°)
324-U1350A-
7R-1, 53–55 153.13 2 Aphyric basalt Shipboard TH 150–550 14 –9.5 2.6    
7R-1, 104–106 153.64 2 Aphyric basalt WWU TH 280–530 7 –1.1 2.8 –0.5 3.0
7R-2, 21–23 154.25 2 Aphyric basalt WWU AF 15–40 6 5.8 3.0 6.3 3.1
8R-1, 18–20 155.48 4 Aphyric basalt Shipboard TH 325–550 10 –30.9 9.9    
8R-1, 63–65 155.93 4 Aphyric basalt WWU TH 400–530 5 –2.0 2.8 –3.3 3.4
8R-2, 4–6 156.8 6 Massive basalt WWU AF 25–55 7 –6.7 1.7 –6.5 1.8
8R-3, 4–6 158.11 7 Massive basalt WWU AF 25–45 5 9.1 1.9 9.0 2.4
8R-3, 85–87 158.92 7 Massive basalt Shipboard AF 7–100 12 –1.3 1.6    
9R-1, 58–60 162.88 9 Aphyric vesicular basalt WWU TH 220–500 8 –8.0 2.8 –7.8 3.1
9R-2, 69–71 164.04 9 Aphyric vesicular basalt Shipboard TH 150–550 14 10.0 6.3    
9R-3, 51–53 164.93 9 Aphyric vesicular basalt WWU AF 15–60 10 –4.4 1.6 –4.4 1.7
9R-4, 89–91 166.62 10 Aphyric massive basalt Shipboard AF 10–100 11 –2.8 0.9    
9R-5, 9–11 167.07 10 Aphyric massive basalt WWU TH 220–500 8 –0.3 3.3 0.0 3.8
9R-6, 4–6 168.33 10 Aphyric massive basalt Shipboard TH 100–500 13 31.2 9.3    
9R-6, 67–69 168.96 10 Aphyric massive basalt WWU AF 20–60 9 1.0 7.3 0.5 8.3
10R-1, 21–23 172.11 11 Aphyric massive basalt WWU TH 280–440 5 35.2 8.9 39.9 4.2
10R-2, 38–40 173.73 12 Aphyric massive basalt WWU AF 15–50 8 2.5 1.0 2.5 1.0
11R-1, 51–53 182.01 12 Aphyric massive basalt Shipboard AF 10–80 10 0.5 0.6    
11R-1, 128–130 182.78 13 Aphyric massive basalt WWU TH 440–530 4 –3.6 1.8 –4.7 5.2
11R-2, 14–16 183.16 14 Aphyric massive basalt WWU AF 20–45 6 –2.4 2.6 –2.8 2.7
11R-2, 77–79 183.79 14 Aphyric massive basalt Shipboard TH 150–550 14 7.6 6.2    
12R-1, 8–10 191.18 14 Aphyric massive basalt WWU AF 25–50 6 18.3 2.7 17.5 2.6
12R-1, 50–52 191.6 15 Plagioclase phyric massive basalt Shipboard AF 10–80 11 27.0 1.1    
13R-1, 50–52 196.4 16 Plagioclase phyric massive basalt Shipboard TH 150–550 14 43.0 4.9    
13R-1, 100–102 196.9 16 Plagioclase phyric massive basalt WWU TH 310–500 6 –19.7 5.2 –19.1 5.6
13R-2, 55–57 197.88 17 Plagioclase phyric massive basalt WWU AF 30–50 5 7.3 3.9 7.3 4.7
14R-1, 52–54 201.22 20 Plagioclase phyric massive basalt WWU AF 35–65 7 2.5 2.0 2.0 1.8
14R-1, 78–80 201.48 20 Plagioclase phyric massive basalt Shipboard TH 300–550 9 27.3 9.5    
14R-2, 9–11 201.96 20 Plagioclase phyric massive basalt Shipboard AF 10–80 10 –1.0 1.3    
14R-2, 21–23 202.08 20 Plagioclase phyric massive basalt WWU TH 440–550 7 –1.2 1.0 –1.0 1.1
15R-1, 53–55 206.03 25 Plagioclase phyric massive basalt WWU AF 25–50 6 –3.3 2.7 –4.1 2.7
15R-1, 101–103 206.51 25 Plagioclase phyric massive basalt WWU TH 280–440 5 38.1 5.3 37.8 6.1
16R-1, 35–37 210.65 27 Plagioclase phyric massive basalt Shipboard TH 300–575 12 –2.3 2.0    
16R-2, 5–7 211.07 27 Plagioclase phyric massive basalt WWU TH 310–530 7 –6.0 1.9 –5.3 2.2
16R-2, 72–74 211.74 27 Plagioclase phyric massive basalt Shipboard AF 15–100 10 –3.5 1.8    
16R-3, 105–107 213.01 28 Aphyric massive basalt WWU AF 25–55 7 –2.5 1.7 –2.4 1.9
17R-1, 138–140 221.28 30 Phyric massive basalt WWU TH 360–530 6 10.2 1.3 10.6 1.5
17R-2, 34–36 221.74 30 Phyric massive basalt Shipboard TH 150–575 15 18.3 3.3    
17R-2, 80–82 222.2 30 Phyric massive basalt WWU AF 25–45 5 0.4 1.7 0.5 2.0
17R-3, 72–74 223.52 34 Phyric massive basalt Shipboard AF 10–80 11 3.0 0.7    
18R-1, 72–74 230.22 36 Aphyric massive basalt WWU TH 280–440 5 24.9 4.1 23.7 4.2
18R-1, 97–99 230.47 36 Aphyric massive basalt Shipboard TH 150–575 51 14.8 3.4    
18R-2, 50–52 231.44 37 Aphyric vesicular basalt Shipboard AF 7–60 11 14.5 0.9    
18R-2, 73–75 231.67 37 Aphyric vesicular basalt WWU AF 30–55 6 11.0 2.2 10.9 2.2
18R-3, 12–14 232.56 37 Aphyric vesicular basalt WWU TH 400–500 4 46.6 4.6 60.6 8.0
18R-3, 60–62 233.04 37 Aphyric vesicular basalt Shipboard TH 200–575 14 29.0 1.9    
19R-1, 68–70 239.78 38 Aphyric massive basalt Shipboard AF 10–60 10 6.3 0.7    
19R-1, 119–121 240.29 39 Aphyric massive basalt WWU AF 30–55 6 6.3 2.8 6.5 3.4
19R-2, 125–127 241.78 44 Aphyric massive basalt WWU TH 280–480 6 16.0 3.4 16.0 3.8
19R-3, 37–39 242.33 44 Aphyric massive basalt WWU AF 25–50 6 –8.1 2.4 –8.7 2.4
20R-1, 31–33 249.01 46 Aphyric massive basalt Shipboard TH 350–575 10 13.4 4.5    
20R-1, 65–67 249.35 46 Aphyric massive basalt WWU AF 25–50 6 –8.0 2.0 –8.0 2.3
20R-1, 95–97 249.65 47 Aphyric massive basalt WWU TH 480–550 6 –11.8 6.3 –11.1 8.7
20R-2, 67–69 250.7 49 Aphyric massive basalt WWU TH 440–575 6 –5.6 3.3 –5.7 4.2
20R-2, 132–134 251.35 50 Aphyric massive basalt WWU AF 25–50 6 –6.3 2.5 –6.6 2.9
20R-3, 4–6 251.44 50 Aphyric massive basalt Shipboard AF 7–60 11 –11.0 1.4    
21R-1, 23–25 258.53 51 Aphyric massive basalt WWU TH 360–550 8 1.6 4.0 0.6 4.6
21R-1, 35–37 258.65 51 Aphyric massive basalt Shipboard TH 325–575 11 25.1 3.0    
21R-1, 137–139 259.67 52 Aphyric massive basalt WWU AF 30–50 5 5.0 1.1 4.9 1.3
21R-2, 67–69 260.47 52 Aphyric massive basalt Shipboard AF 7–80 12 7.9 1.1    
21R-2, 135–137 261.15 53 Phyric massive basalt WWU TH 440–575 6 16.7 1.2 16.7 1.4
21R-3, 48–50 261.71 53 Phyric massive basalt Shipboard TH 250–575 13 18.6 3.5    
21R-3, 64–66 261.87 54 Phyric massive basalt WWU AF 25–45 5 14.1 1.6 14.2 1.9
22R-1, 67–69 268.47 57 Aphyric massive basalt WWU TH 360–550 7 3.5 5.9 2.6 7.3
22R-2, 68–70 269.54 59 Phyric massive basalt WWU TH 360–550 7 1.9 3.2 1.9 3.7
22R-2, 97–99 269.84 59 Phyric massive basalt Shipboard AF 12–100 11 –0.3 1.9    
22R-3, 113–115 271.3 62 Phyric massive basalt Shipboard TH 150–525 13 22.8 3.3    
22R-4, 87–89 272.43 65 Phyric massive basalt WWU TH 360–520 6 4.1 1.6 4.3 1.9
22R-5, 71–73 273.69 69 Phyric massive basalt WWU AF 15–55 9 –0.5 1.6 –0.5 1.7
22R-5, 135–137 274.33 70 Phyric massive basalt WWU TH 360–540 8 –11.7 1.0 –11.8 1.2
23R-1, 22–24 277.62 71 Phyric massive basalt WWU AF 25–60 8 2.4 2.8 2.0 3.3
23R-1, 78–80 278.18 72 Phyric massive basalt Shipboard AF 15–80 9 0.4 2.1    
23R-2, 49–51 279.31 74 Phyric massive basalt Shipboard TH 425–575 7 3.6 3.8    
23R-3, 125–127 281.43 78 Phyric massive basalt WWU AF 25–50 6 –5.1 1.7 –4.9 1.9
23R-4, 16–18 281.84 79 Phyric massive basalt WWU TH 360–520 6 –9.3 1.4 –9.3 1.7
23R-4, 92–94 282.60 81 Phyric massive basalt Shipboard AF 10–100 12 –2.5 3.3    
23R-5, 6–8 283.13 81 Phyric massive basalt WWU AF 40–65 6 –3.6 3.4 –4.4 2.1
24R-1, 42–44 287.42 84 Phyric massive basalt WWU TH 400–520 5 –10.0 1.2 –10.5 1.2
24R-1, 109–111 288.09 85 Phyric massive basalt Shipboard TH 150–550 14 –4.1 1.7    
24R-2, 137–139 289.85 89 Phyric massive basalt WWU AF 30–50 5 –7.5 1.9 –7.7 1.7
24R-3, 31–33 290.18 90 Phyric massive basalt Shipboard AF 12–80 10 3.8 1.0    
25R-1, 24–26 296.94 92 Phyric massive basalt Shipboard TH 325–550 10 –1.2 2.1    
25R-1, 102–104 297.72 94 Phyric massive basalt WWU AF 25–50 6 –3.5 3.1 –3.2 3.4
25R-1, 112–114 297.82 94 Phyric massive basalt WWU TH 440–540 6 –14.2 3.6 –14.8 4.1
25R-2, 60–62 298.80 100 Phyric massive basalt WWU AF 25–45 5 –6.3 1.6 –6.7 1.1
25R-2, 119–121 299.39 101 Phyric massive basalt Shipboard AF 12–80 10 –12.0 1.1    
25R-3, 83–85 300.53 107 Phyric massive basalt WWU TH 360–520 6 –0.4 1.5 0.3 1.4
25R-4, 71–73 301.75 114 Phyric massive basalt Shipboard TH 150–550 14 4.9 2.6    
25R-5, 57–59 302.88 119 Phyric massive basalt Shipboard AF 10–80 11 –7.5 0.8    
25R-5, 92–93 303.24 120 Phyric massive basalt WWU AF 15–45 7 –3.1 1.8 –3.0 1.8
25R-6, 31–33 303.95 124 Phyric massive basalt WWU TH 360–520 6 1.1 1.4 1.3 1.2
25R-7, 13–15 304.92 130 Plagioclase phyric massive basalt Shipboard TH 150–550 14 –1.0 1.6    
25R-7, 91–93 305.69 133 Plagioclase phyric massive basalt WWU AF 20–45 6 –1.8 1.3 –1.8 1.5
25R-8, 13–15 306.31 138 Phyric massive basalt WWU TH 400–520 5 –4.8 2.4 –4.3 2.6
26R-1, 28–30 306.48 141 Phyric massive basalt WWU TH 360–520 6 –13.2 3.0 –13.1 3.4
26R-1, 78–80 306.98 142 Phyric massive basalt Shipboard AF 10–80 10 –3.7 1.2    
26R-2, 40–42 308.07 145 Phyric massive basalt WWU AF 20–45 6 0.0 2.2 –0.2 2.3
26R-4, 27–29 310.54 156 Phyric massive basalt Shipboard TH 150–550 14 4.7 1.9    
26R-6, 12–14 313.11 170 Phyric massive basalt WWU AF 25–45 5 –1.5 1.4 –2.2 0.8
26R-7, 13–15 314.35 176 Phyric massive basalt WWU AF 10–45 8 –0.8 1.2 –0.8 1.3
26R-8, 11–13 315.40 181 Phyric massive basalt Shipboard TH 150–550 14 4.2 3.3    
26R-8, 43–45 315.72 183 Phyric massive basalt WWU AF 15–45 7 –2.2 0.7 –2.2 0.7

AF = alternating field, TH = thermal demagnetization, Steps = demagnetization steps used to calculate principal component direction, N = number of points in used in principle component calculation, Inc = inclination, MAD = maximum angular deviation, anc = principal component analysis calculated with anchor at origin. WWU = Northwest Paleomagnetism Laboratory at Western Washington University (USA).

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