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Table T15. Position of the top (T) and bottom (B) of polarity chronozones and subchronozones, Site U1417.
|
Polarity boundary interpretation
|
Age
(Ma)
|
|
Hole U1417A
|
Hole U1417B
|
Core, section,
interval (cm)
|
Depth
CSF-A
(m)
|
Depth
CCSF-A
(m)
|
Depth
CCSF-B
(m)
|
Core, section,
interval (cm)
|
Depth
CSF-A
(m)
|
Depth
CCSF-A
(m)
|
Depth
CCSF-B
(m)
|
|
C1n (B) Matuyama/Brunhes
|
0.781
|
Top
|
14H-5, 120
|
111.60
|
127.00
|
109.86
|
13H-1, 90
|
106
|
127.36
|
110.17
|
|
Base
|
14H-7, 10
|
113.50
|
128.90
|
111.49
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13H-2, 90
|
107.5
|
128.86
|
111.46
|
|
C1r.1n (T) Jaramillo
|
0.988
|
Top
|
17H-2, 140
|
135.80
|
153.13
|
132.46
|
|
|
|
|
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Base
|
17H-4, 10
|
137.50
|
154.83
|
133.93
|
|
|
|
|
|
C1r.1n (B) Jaramillo
|
1.072
|
Top
|
18H-1, 130
|
143.70
|
161.44
|
139.65
|
|
|
|
|
|
Base
|
18H-3, 22.5
|
144.85
|
162.59
|
140.64
|
|
|
|
|
|
C2n (T) Olduvai
|
1.778
|
Top
|
|
|
|
|
23H-4, 37.5
|
187.15
|
215.78
|
185.81
|
|
Base
|
|
|
|
|
24H-2, 25
|
189.25
|
221.34
|
189.92
|
|
C2n (B) Olduvai
|
1.945
|
Top
|
|
|
|
|
28H-2, 22.5
|
203.93
|
241.63
|
204.92
|
|
Base
|
|
|
|
|
28H-2, 127.5
|
204.98
|
242.68
|
205.70
|
|
C2r.1n (T) Reunion
|
2.128
|
Top
|
|
|
|
|
|
|
|
|
|
Base
|
|
|
|
|
|
|
|
|
|
C2r.1n (B) Reunion
|
2.148
|
Top
|
|
|
|
|
34H-1, 85
|
224.25
|
267.51
|
224.25
|
|
Base
|
|
|
|
|
34H-1, 125
|
224.65
|
267.91
|
224.65
|
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C2An.1n (T) Gauss/Matuyama
|
2.581
|
Top
|
|
|
|
|
40X-3, 05
|
284.2
|
330.68
|
287.42
|
|
Base
|
|
|
|
|
40X-3, 60
|
284.8
|
331.28
|
288.02
|
|
Polarity chron interpretation
|
Age
(Ma)
|
|
Hole U1417C
|
Hole U1417D
|
Hole U1417E
|
Core, section,
interval (cm)
|
Depth
CSF-A
(m)
|
Depth
CCSF-A
(m)
|
Depth
CCSF-B
(m)
|
Core, section,
interval (cm)
|
Depth
CSF-A
(m)
|
Depth
CCSF-A
(m)
|
Depth
CCSF-B
(m)
|
Core, section,
interval (cm)
|
Depth
CSF-A
(m)
|
Depth
CCSF-A
(m)
|
Depth
CCSF-B
(m)
|
|
C1n (B) Matuyama/Brunhes
|
0.781
|
Top
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Base
|
|
|
|
|
|
|
|
|
|
|
|
|
|
C1r.1n (T) Jaramillo
|
0.988
|
Top
|
15H-6, 110
|
131.1
|
150.45
|
130.13925
|
16H-4, 22
|
133.52
|
153.2
|
132.52
|
|
|
|
|
|
Base
|
16H-2, 105
|
134.55
|
155.04
|
134.1096
|
16H-5, 20
|
135
|
154.68
|
133.8
|
|
|
|
|
|
C1r.1n (B) Jaramillo
|
1.072
|
Top
|
|
|
|
|
17H-2, 120
|
141
|
161.84
|
139.99
|
|
|
|
|
|
Base
|
|
|
|
|
17H-3, 10
|
141.4
|
162.24
|
140.34
|
|
|
|
|
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C2n (T) Olduvai
|
1.778
|
Top
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Base
|
|
|
|
|
|
|
|
|
|
|
|
|
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C2n (B) Olduvai
|
1.945
|
Top
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Base
|
|
|
|
|
|
|
|
|
|
|
|
|
|
C2r.1n (T) Reunion
|
2.128
|
Top
|
|
|
|
|
36H-2, 102
|
221.32
|
261.63
|
219.70
|
|
|
|
|
|
Base
|
|
|
|
|
36H-3, 87
|
222.68
|
262.99
|
220.71
|
|
|
|
|
|
C2r.1n (B) Reunion
|
2.148
|
Top
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Base
|
|
|
|
|
|
|
|
|
|
|
|
|
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C2An.1n (T) Gauss/Matuyama
|
2.581
|
Top
|
|
|
|
|
45X-1, 55
|
290.25
|
330.5
|
287.24
|
4R-4, 25
|
287.55
|
330.81
|
287.55
|
|
Base
|
|
|
|
|
45X-2, 30
|
291.4
|
331.65
|
288.39
|
4R-4, 57.5
|
287.88
|
331.14
|
287.88
|
|
C2An.3n (B) Gilbert/Gauss
|
3.596
|
Transition
|
|
|
|
|
53X
|
|
|
365 ±5
|
|
|
|
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C3n.1n (T) Cochiti
|
4.187
|
Transition
|
|
|
|
|
54X
|
|
|
375 ±5
|
|
|
|
|
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Middle of C3n.3n (B) Sidufjal to C3n.4n (B) Thvera
|
5.017
|
Transition
|
|
|
|
|
59X
|
|
|
422 ±5
|
8R to 9R
|
|
|
418 ±5
|
|
C3An.1n (T)
|
6.033
|
Transition
|
|
|
|
|
|
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|
14R to 15R
|
|
|
475 ±10
|
|
C3Bn (T)
|
7.14
|
Transition
|
|
|
|
|
|
|
|
|
25R to 27R
|
|
|
585 ±20
|
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