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Table T14. Magnetostratigraphic tie points, Site U1409.
|
Chron boundary
|
Age
(Ma)
|
Hole U1409A
|
|
Top
|
Bottom
|
Mid-point
(mbsf)
|
Core, section,
interval (cm)
|
Depth
(mbsf)
|
Core, section,
interval (cm)
|
Depth
(mbsf)
|
|
|
|
342-U1409A-
|
342-U1409A-
|
|
C1n (Brunhes)/C1r.1r (Matuyama)
|
0.781
|
2H-6, 35.0
|
8.95
|
2H-6, 37.5
|
8.98
|
8.97
|
|
C6Cr/C7n.1n
|
23.962
|
3H-2, 52.5
|
12.63
|
3H-2, 55.0
|
12.65
|
12.64
|
|
C7n.1n/C7n.1r
|
24.000
|
3H-2, 62.5
|
12.73
|
3H-2, 65.0
|
12.75
|
12.74
|
|
C7n.1r/C7n.2n
|
24.109
|
3H-2, 115.0
|
13.25
|
3H-2, 122.5
|
13.33
|
13.29
|
|
C7n.2n/C7r
|
24.474
|
3H-3, 92.5
|
14.53
|
3H-3, 97.5
|
14.58
|
14.56
|
|
C7r/C7An
|
24.761
|
3H-4, 72.5
|
15.83
|
3H-4, 85.0
|
15.95
|
15.89
|
|
C7An/C7Ar
|
24.984
|
3H-5, 57.5
|
17.18
|
3H-5, 60.0
|
17.20
|
17.19
|
|
C7Ar/C8n.1n
|
25.099
|
3H-5, 67.5
|
17.28
|
3H-5, 72.5
|
17.33
|
17.31
|
|
C8n.1n/C8n.1r
|
25.264
|
3H-6, 22.5
|
18.33
|
3H-6, 25.0
|
18.35
|
18.34
|
|
C8n.1r/C8n.2n
|
25.304
|
3H-6, 32.5
|
18.43
|
3H-6, 35.0
|
18.45
|
18.44
|
|
C8n.2n/C8r
|
25.987
|
3H-7, 20.0
|
19.80
|
3H-7, 25.0
|
19.85
|
19.83
|
|
C8r/C9n
|
26.420
|
3H-7, 55.0
|
20.15
|
3H-7, 62.5
|
20.23
|
20.19
|
|
C9n/C9r
|
27.439
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C9r/C10n.1n
|
27.859
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C10n.1n/C10n.1r
|
28.087
|
4H-2, 60.0
|
22.20
|
4H-2, 65.0
|
22.25
|
22.23
|
|
C10n.1r/C10n.2n
|
28.141
|
4H-2, 75.0
|
22.35
|
4H-2, 77.5
|
22.38
|
22.37
|
|
C10n.2n/C10r
|
28.278
|
4H-2, 105.0
|
22.65
|
4H-2, 112.5
|
22.73
|
22.69
|
|
C10r/C11n.1n
|
29.183
|
4H-4, 97.5
|
25.58
|
4H-4, 105.0
|
25.65
|
25.62
|
|
C11n.1n/C11n.1r
|
29.477
|
4H-5, 15.0
|
26.25
|
4H-5, 20.0
|
26.3
|
26.28
|
|
C11n.1r/C11n.2n
|
29.527
|
4H-5, 32.5
|
26.43
|
4H-5, 37.5
|
26.48
|
26.46
|
|
C11n.2n/C11r
|
29.970
|
4H-5, 97.5
|
27.08
|
4H-5, 127.5
|
27.38
|
27.23
|
|
C11r/C12n
|
30.591
|
4H-6, 50.0
|
28.10
|
4H-6, 55.0
|
28.15
|
28.13
|
|
C12n/C12r
|
31.034
|
4H-6, 130.0
|
28.10
|
4H-7, 10.0
|
29.20
|
28.65
|
|
C12r/C13n
|
33.157
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C13n/C13r
|
33.705
|
5H-2, 62.5
|
31.73
|
5H-2, 102.5
|
32.13
|
31.93
|
|
C19r/C20n
|
42.301
|
6H-5, 105.0
|
46.15
|
6H-5, 125.0
|
46.35
|
46.25
|
|
C20n/C20r
|
43.432
|
7H-7, 10.0
|
57.72
|
7H-7, 55.0
|
58.17
|
57.95
|
|
C20r/C21n
|
45.724
|
11H-1, 110.0
|
87.70
|
11H-2, 17.5
|
88.28
|
87.99
|
|
C21n/C21r
|
47.349
|
12H-3, 75.0
|
99.85
|
12H-5, 75.0
|
102.85
|
101.35
|
|
C21r/C22n
|
48.566
|
13H-1, 120.0
|
106.80
|
13H-2, 67.5
|
107.81
|
107.31
|
|
C22n/C22r
|
49.344
|
13H-4, 85.0
|
110.99
|
13H-4, 102.5
|
111.17
|
111.08
|
Ages from Gradstein et al. (2012). NI = not identified.
|
Chron boundary
|
Age
(Ma)
|
Hole U1409B
|
|
Top
|
Bottom
|
Mid-point
(mbsf)
|
Core, section,
interval (cm)
|
Depth
(mbsf)
|
Core, section,
interval (cm)
|
Depth
(mbsf)
|
|
C1n (Brunhes)/C1r.1r (Matuyama)
|
0.781
|
2H-1, 140.0
|
9.70
|
2H-2, 22.5
|
10.03
|
9.87
|
|
C6Cr/C7n.1n
|
23.962
|
2H-5, 17.5
|
14.48
|
2H-5, 25.0
|
14.55
|
14.52
|
|
C7n.1n/C7n.1r
|
24.000
|
2H-5, 140.0
|
15.70
|
2H-6, 22.5
|
16.03
|
15.87
|
|
C7n.1r/C7n.2n
|
24.109
|
2H-6, 140.0
|
17.20
|
2H-7, 10.0
|
17.40
|
17.30
|
|
C7n.2n/C7r
|
24.474
|
3H-1, 25.0
|
18.05
|
3H-1, 32.5
|
18.13
|
18.09
|
|
C7r/C7An
|
24.761
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C7An/C7Ar
|
24.984
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C7Ar/C8n.1n
|
25.099
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C8n.1n/C8n.1r
|
25.264
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C8n.1r/C8n.2n
|
25.304
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C8n.2n/C8r
|
25.987
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C8r/C9n
|
26.420
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C9n/C9r
|
27.439
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C9r/C10n.1n
|
27.859
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C10n.1n/C10n.1r
|
28.087
|
3H-5, 60.0
|
24.40
|
3H-5, 72.5
|
24.53
|
24.47
|
|
C10n.1r/C10n.2n
|
28.141
|
3H-5, 85.0
|
24.65
|
3H-5, 90.0
|
24.70
|
24.68
|
|
C10n.2n/C10r
|
28.278
|
3H-5, 102.5
|
24.83
|
3H-5, 110.0
|
24.90
|
24.87
|
|
C10r/C11n.1n
|
29.183
|
3H-7, 52.5
|
27.33
|
3H-7, 62.5
|
27.43
|
27.38
|
|
C11n.1n/C11n.1r
|
29.477
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C11n.1r/C11n.2n
|
29.527
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C11n.2n/C11r
|
29.970
|
4H-1, 117.5
|
28.48
|
4H-1, 140.0
|
28.70
|
28.59
|
|
C11r/C12n
|
30.591
|
4H-2, 72.5
|
29.53
|
4H-2, 82.5
|
29.63
|
29.58
|
|
C12n/C12r
|
31.034
|
4H-3, 42.5
|
30.73
|
4H-3, 47.5
|
30.78
|
30.76
|
|
C12r/C13n
|
33.157
|
4H-4, 140.0
|
33.20
|
4H-5, 20.0
|
33.50
|
33.35
|
|
C19r/C20n
|
42.301
|
6H-3, 80.0
|
50.10
|
6H-4, 92.5
|
51.73
|
50.92
|
|
C20n/C20r
|
43.432
|
7H-1, 137.5
|
57.18
|
7H-2, 110.0
|
58.40
|
57.79
|
|
C20r/C21n
|
45.724
|
10H-2, 90.0
|
86.7
|
10H-3, 85.0
|
88.15
|
87.43
|
|
C21n/C21r
|
47.349
|
11H-6, 85.0
|
102.15
|
11H-6, 95.0
|
102.25
|
102.20
|
|
C21r/C22n
|
48.566
|
12H-4, 82.5
|
108.63
|
12H-4, 120.0
|
109.00
|
108.82
|
|
C22n/C22r
|
49.344
|
12H-6, 117.5
|
111.98
|
12H-7, 17.5
|
112.28
|
112.13
|
|
Chron boundary
|
Age
(Ma)
|
Hole U1409C
|
|
Top
|
Bottom
|
Mid-point
(mbsf)
|
Core, section,
interval (cm)
|
Depth
(mbsf)
|
Core, section,
interval (cm)
|
Depth
(mbsf)
|
|
C1n (Brunhes)/C1r.1r (Matuyama)
|
0.781
|
2H-2, 87.5
|
8.68
|
2H-2, 122.5
|
9.03
|
8.86
|
|
C6Cr/C7n.1n
|
23.962
|
2H-5, 135.0
|
13.65
|
2H-6, 10.0
|
13.90
|
13.78
|
|
C7n.1n/C7n.1r
|
24.000
|
2H-6,100.0
|
14.80
|
2H-7, 12.5
|
15.05
|
14.93
|
|
C7n.1r/C7n.2n
|
24.109
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C7n.2n/C7r
|
24.474
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C7r/C7An
|
24.761
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C7An/C7Ar
|
24.984
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C7Ar/C8n.1n
|
25.099
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C8n.1n/C8n.1r
|
25.264
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C8n.1r/C8n.2n
|
25.304
|
3H-2, 140.0
|
18.70
|
3H-3, 10.0
|
18.90
|
18.80
|
|
C8n.2n/C8r
|
25.987
|
3H-3, 80.0
|
19.60
|
3H-3, 87.5
|
19.68
|
19.64
|
|
C8r/C9n
|
26.420
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C9n/C9r
|
27.439
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C9r/C10n.1n
|
27.859
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C10n.1n/C10n.1r
|
28.087
|
3H-4, 127.5
|
21.58
|
3H-4, 140.0
|
21.70
|
21.64
|
|
C10n.1r/C10n.2n
|
28.141
|
3H-5, 10.0
|
21.90
|
3H-5, 15.0
|
21.95
|
21.93
|
|
C10n.2n/C10r
|
28.278
|
3H-5, 42.5
|
22.23
|
3H-5, 57.5
|
22.38
|
22.31
|
|
C10r/C11n.1n
|
29.183
|
4H-1, 47.5
|
25.78
|
4H-1, 57.5
|
25.88
|
25.83
|
|
C11n.1n/C11n.1r
|
29.477
|
4H-1, 87.5
|
26.18
|
4H-1, 97.5
|
26.28
|
26.23
|
|
C11n.1r/C11n.2n
|
29.527
|
4H-1, 105.0
|
26.35
|
4H-1, 117.5
|
26.48
|
26.42
|
|
C11n.2n/C11r
|
29.970
|
4H-2, 42.5
|
27.23
|
4H-2, 75.0
|
27.55
|
27.39
|
|
C11r/C12n
|
30.591
|
4H-2, 140.0
|
28.20
|
4H-2, 17.5
|
28.48
|
28.34
|
|
C12n/C12r
|
31.034
|
4H-3, 95.0
|
29.25
|
4H-3, 130.0
|
29.60
|
29.43
|
|
C12r/C13n
|
33.157
|
NI
|
NI
|
NI
|
NI
|
NI
|
|
C13n/C13r
|
33.705
|
5H-2, 37.5
|
32.68
|
5H-2, 80.0
|
33.10
|
32.89
|
|
C19r/C20n
|
42.301
|
6H-5, 95.0
|
47.25
|
6H-6, 10.0
|
47.90
|
47.58
|
|
C20n/C20r
|
43.432
|
7H-6, 15.0
|
57.45
|
8H-3, 10.0
|
62.40
|
59.93
|
|
C20r/C21n
|
45.724
|
10H-4, 140.0
|
84.20
|
10H-5, 12.5
|
84.43
|
84.31
|
|
C21n/C21r
|
47.349
|
12H-3, 22.5
|
100.53
|
12H-3, 140.0
|
101.70
|
101.11
|
|
C21r/C22n
|
48.566
|
13H-3, 102.5
|
110.83
|
13H-3, 117.5
|
110.98
|
110.90
|
|
C22n/C22r
|
49.344
|
13H-6, 87.5
|
115.18
|
13H-6, 95.0
|
115.25
|
115.21
|
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