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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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