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Table T12. Polarity chronozone interpretations, Site U1417.
|
Polarity zone interpretation
|
Age
(Ma)
|
± (Ma)
|
Depth
CCSF-B (m)
|
± (m)
|
|
C1n (B) Matuyama/Brunhes
|
0.781
|
0.02
|
111
|
1
|
|
C1r.1n (T) Jaramillo
|
0.988
|
0.02
|
133
|
1.5
|
|
C1r.1n (B) Jaramillo
|
1.072
|
0.02
|
140
|
1
|
|
C1r.2n (M) Cobb Mountain
|
1.179
|
0.02
|
150.5
|
1.5
|
|
C2n (T) Olduvai
|
1.778
|
0.02
|
186
|
2
|
|
C2n (B) Olduvai
|
1.945
|
0.02
|
205.5
|
1
|
|
C2r.1n (T) Reunion
|
2.128
|
0.02
|
220.5
|
2
|
|
C2r.1n (B) Reunion
|
2.148
|
0.02
|
224.5
|
4
|
|
C2r.2r (B) Gauss/Matuyama
|
2.581
|
0.02
|
287.5
|
1
|
|
C2An.3n (B) Gilbert/Gauss
|
3.596
|
0.02
|
365
|
5
|
|
C3n.1n (T) Cochiti
|
4.187
|
0.02
|
375
|
5
|
|
Middle of C3n.3n (B) Sidufjal to C3n.4n (B) Thvera
|
5.017
|
0.218
|
419
|
5
|
|
C3An.1n (T)
|
6.033
|
0.1
|
475
|
10
|
|
C3Bn (T)
|
7.14
|
0.1
|
585
|
20
|
B = bottom, T = top, M = middle.
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