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Table T2. Sequences drilled during Expedition 317. (See table notes.)
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Sequence boundary
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Predicted age (Ma)
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Site U1353 (CB-01A)
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Site U1354 (CB-02A)
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Site U1351 (CB-03B)
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Site U1352 (CB-04B)
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Predicted depth (mbsf)
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Depth
CSF-A (m)
|
Preliminary age (Ma)
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Predicted depth
(mbsf)
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Depth
CSF-A (m)
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Preliminary age (Ma)
|
Predicted depth
(mbsf)
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Depth
CSF-A (m)
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Preliminary age (Ma)
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Predicted
depth
(mbsf)
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Depth
CSF-A (m)
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Preliminary age (Ma)
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U19
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0.1 |
12 |
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<0.29, possibly <0.1 (N) |
11 |
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<0.29, possibly <0.1 (N) |
17 |
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<0.29, possibly <0.1 (N) |
68 |
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<0.29, possibly <0.1 (N) |
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U18
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0.3 |
26 |
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<0.29, possibly <0.1 (N) |
22 |
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<0.29, possibly <0.1 (N) |
31 |
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<0.29, possibly <0.1 (N) |
142 |
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0.29–0.44 (N) |
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U17
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0.7 |
59 |
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0.29–0.44 (N) |
51 |
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0.29–0.44 (N) |
51 |
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0.29–0.44 (N), >0.6 (B) |
195 |
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0.44–0.91 (N) |
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U16
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1.1 |
72 |
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0.44–1.01, probably ~0.5 (N) |
64 |
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0.44–0.91 (N) |
64 |
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0.44–1.01 (N), >0.6 (B) |
249 |
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0.44–0.91 (N) |
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65–69 |
>0.78 (B/M boundary) |
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266.92 |
0.91 (N) |
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U15
|
1.4 |
Absent |
|
|
79 |
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1.26–1.34 (best age for U15) |
86 |
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1.34–1.69 (N) |
428 |
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1.56–1.69 (N) |
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U14
|
1.7 |
91 |
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1.34–1.56 (N) |
93 |
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1.34–1.69 (N) |
103 |
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1.34–1.69 (N) |
448 |
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1.56–1.69 (N) |
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U13
|
2.4 |
112 |
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1.69–1.73 (N) |
121 |
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1.69–1.81 (N) |
135 |
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Above: 1.69–1.81 (N) |
500 |
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1.69 (1.73?)–1.81 |
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Above .73–1.81 (N) |
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121.16–135.71 |
Pleistocene/Pliocene boundary |
|
122.20–133.37 |
Pleistocene/Pliocene boundary |
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134.48–147.55 |
Pleistocene/Pliocene boundary |
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504.14–507.09 |
Pleistocene/Pliocene boundary |
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135.71 |
>2.78 (N) |
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Below >2.78 (N) |
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Below: ?>2.7 (P) |
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Below >?2.7 (P) |
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U12
|
2.6 |
151 |
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3.7 (N)–4.3 (P) |
156 |
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>2.78 (N) possibly >3.7 |
166 |
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?>2.7 (P) |
Absent |
542.58 |
>2.78 (N) |
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U11
|
3.6 |
171 |
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3.7 (N)–4.3 (P) |
177 |
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>2.78 (N) possibly >3.7 |
195 |
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?>2.7 (P) |
769 |
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>2.78 (N) |
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U10
|
3.65 |
192 |
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3.7 (N)–4.3 (P) |
211 |
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3.7 (N)–4.3 (P) |
237 |
|
3.7 (N)–4.3 (P) |
Absent |
889.64 |
3.7 (N)–4.3 (P) |
|
U9
|
3.7 |
241 |
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3.7 (N)–4.3 (P) |
279 |
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3.7 (N)–4.3 (P) |
312 |
|
3.7 (N)–4.3 (P) |
970 |
|
3.7 (N)–4.3 (P) |
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U8
|
5 |
290 |
|
>4.3 (P) |
344 |
|
3.7 (N)–4.3 (P) |
394 |
|
4.3–5.3 (P) |
1136 |
|
3.7 (N)–4.3 (P) |
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|
1151.22 |
4.3 (P) |
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U7
|
9 |
400 |
|
>4.3 (P) |
467 |
|
Not penetrated |
614 |
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4.3–5.3 (P) |
1251 |
|
4.49–5.3 (P) |
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819.12–822.69 |
Pliocene/Miocene boundary (5.3 Ma) |
|
1266.38–1283.95 |
Pliocene/Miocene boundary (5.3 Ma) |
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New u/c |
1394.62–1409.66 |
10.58 below |
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U6
|
10.4 |
491 |
|
>4.3 (P) |
713 |
|
Not penetrated |
895 |
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5.6–7.07 (P) |
1428 |
|
10.58–10.91 (P) |
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New u/c |
518.66 |
Below u/c >12.03 (N) |
|
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|
New u/c |
998.34–1005.34 |
Below u/c: 10.50–10.91 (P) |
New u/c or U5? |
1486.8–1496.5 |
11.64–12.98 (P) |
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1024 (TD) |
10.50–10.91 (P) |
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U5
|
11.3 |
597 |
|
Middle Miocene assemblage |
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1073 |
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Absent? |
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U4
|
12.4 |
679 |
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Not penetrated |
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1153 |
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Not penetrated |
Absent? |
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DLS
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28 |
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Not penetrated |
1647 |
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13.53–15.80 (N) |
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1848.49 |
~19 above MP |
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MP = Green
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? |
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Not penetrated |
1824 |
~1850 |
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1852.7 |
30.1–32.0 below MP |
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TD |
1924.26 |
35.2 (N)–36.0 (P) |
Notes: (N) = ages derived from nannofossils, (P) = ages derived from planktonic foraminifers, u/c = unconformity, TD = total depth, MP = Marshall Paraconformity ("Green" horizon of industry interpreters), DLS = seismic downlap surface originally thought to be MP, B/M = Brunhes/Matuyama.
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