Table T4. Lithologic surfaces and interpretation, Site U1352. (See table notes.)
|
Lithologic surface |
Hole, core, section, interval (cm) |
Depth CSF-A (m) |
Overlying lithology | Nature of significant surface |
Seismic sequence boundary |
Predicted depth (m) |
Preliminary biostratigraphy (Ma) |
|---|---|---|---|---|---|---|---|
| 317- | |||||||
| U1352B-S1 | U1352B-7H-6, 96 | 64.16 | Muddy sand | Sharp basal contact burrowed | U19 | 68 | <0.29 (CN), possibly <0.1 (CN) |
| U1352D-S1 | U1352D-8H-3, 88 | 64.38 | Muddy sand | Sharp basal contact burrowed | U19 | 68 | |
| U1352B-S2 | U1352B-16H-5, 5 | 147.22 | Muddy sand | Sharp basal contact burrowed | U18 | 142 | 0.29–0.44 (CN) |
| U1352B-S3 | U1352B-23H-1, 130 | 200.00 | Muddy sand | Sharp basal contact burrowed | U17 | 195 | 0.44–0.91 (CN) |
| U1352B-S4 | U1352B-28H-4, 7 | 250.20 | Muddy sand | Sharp basal contact burrowed | U16 | 249 | 0.44–0.91 (CN)–0.91 at 266.92 m |
| U1352B-S5 | U1352B-51X-1, 131 | 428.81 | Sandy mud | Sharp basal contact | U15 | 428 | 1.56–1.69 (CN) |
| U1352B-S5.1 | U1352B-53X-5, 30 | 453.00 | Shelly sand | Sharp basal contact burrowed | U14 | 448 | 1.56–1.69 (CN) |
| U1352B-S6 | U1352B-56X-5, 70 | 482.20 | Sand | Sharp basal contact burrowed | U13 | 500 | 1.69–1.81 (CN) |
| U1352C-S9 | U1352C-40R-3, 5 | 990.56 | Limestone | Sharp scoured basal contact | U9 | 970 | 3.7 (CN)–4.3 (PF) |
| U1352C-S10 | U1352C-53R-1, 90 | 1113.00 | Calcareous shelly muddy sandstone | Sharp basal contact | U8 | 1136 | 3.7 (CN)–4.3 (PF) |
| U1352C-S11 | U1352C-73R-4, 20 | 1279.70 | Sandy marlstone | Sharp basal contact burrowed | U7 | 1251 | 4.49–5.30 (PF) Miocene/Pliocene boundary (5.3) picked between 1266.38–1283.95 m |
| U1352C-S12 | U1352C-94R-7, 60 | 1438.20 | Mass flow deposit | Sharp basal contact | U6 | 1428 | 10.58-10.91 (PF) |
| U1352C-S13 | U1352C-140R-2, 48 | 1852.64 | Rubble | Sharp contact with rubble layer above | MP | 1824 | Above UC at 1848.49 m, age is ~19; below UC at 1852.71 m, age is 30.1–32.0 |
Notes: CN = calcareous nannofossil, PF = planktonic foraminifer. UC = unconformity. MP = Marshall Paraconformity.
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