|
Shipboard observation
|
Shipboard interpretation*
|
Hiatus case†
|
Low sedimentation case
|
||||
|
Split core depth (mbsf)
|
Logging depth (mbsf)
|
Event
|
Age (Ma)
|
Event
|
Age (Ma)
|
Event
|
Age (Ma)
|
| 1095A and 1095B | 1095B |
|
|
|
|
|
|
| 0.00 | — | Mud line | 0 | Mud line | 0 |
|
|
| 17.12 | — | C1n (o) | 0.78 | C1n (o) | 0.78 |
|
|
| 23.20 | — | C1r.1n (t) | 0.99 | C1r.1n (t) | 0.99 |
|
|
| 29.75 | — | C1r.1n (o) | 1.07 | C1r.1n (o) | 1.07 |
|
|
|
|
|
|
|
Possible hiatus |
|
|
|
| 58.8 |
|
|
|
|
|
|
|
| 1095D: 58.35 | — |
|
|
Cores 178-1095A-7H and 8H and Section 178-1095D-7H-2, 75 cm | 1.25-2.53‡ |
|
|
| 60.39 | — | C2n (t) | 1.77 | C2An.1n (t) | 2.581 |
|
|
| 50-65 | — | Possible hiatus |
|
— | — |
|
|
| 83.41 | — | C2An.1n (o) | 3.04 | C2An.1n (o) | 3.04 |
|
|
| 100.99 | — | C2An.3n (o) | 3.58 | C2An.3n (o) | 3.58 |
|
|
| 126.20 | 126.12 | C3n.1n (t) | 4.18 | C3n.1n (t) | 4.18 |
|
|
| 134.97 | 137.25 | C3n.1n (o) | 4.29 | C3n.1n (o) | 4.29 |
|
|
| 141.02 | 139.84 | C3n.2n (t) | 4.48 | C3n.2n (t) | 4.48 |
|
|
| 148.49 | 147.53 | C3n.2n (o) | 4.62 | C3n.2n (o) | 4.62 |
|
|
| — | 150.35 | C3n.3n (t) | 4.80 | — | — |
|
|
| — | 153.71 | C3n.3n (o) | 4.89 | — | — |
|
|
| 164.49 | 160.00 | C3n.4n (t) | 4.98 | C3n.3n (t) | 4.80 | C3n.3n (t) | 4.80 |
| 177.86 | 177.78 | C3n.4n (o) | 5.23 | C3n.3n (o) | 4.89 | C3n.3n (o) | 4.89 |
| 209.74 | 205.14 | C3An.1n (t) | 5.894 | C3n.4n (t) | 4.98 | C3n.4n (t) | 4.98 |
| 220.99 | 222.29 | C3An.1n (o) | 6.137 | — | — | C3n.4n (o) | 5.23 |
| 224.3 | 227.3 |
|
|
Possible hiatus between Cores 178-1095B-15X and 16X | 5.04 -6.14** | — | — |
| (214.7-224.3) | (227.3-228.5) |
|
|
|
|
|
|
| 239.46 | 236.91 | C3An.2n (t) | 6.269 | C3An.2n (t) | 6.269 | C3An.1n (t) | 5.894 |
| 257.80 | 260.16 | C3An.2n (o) | 6.567 | C3An.2n (o) | 6.567 | C3An.2n (o) | 6.567 |
| 292.04 | 293.91 | C3Bn (t) | 6.935 | C3Bn (t) | 6.935 |
|
|
| 304.03 | 302.75 | C3Bn (o) | 7.091 | C3Bn (o) | 7.091 |
|
|
| — | 305.04 | C3Br.1n (t) | 7.135 | C3Br.1n (t) | 7.135 |
|
|
| — | 306.26 | C3Br.1n (o) | 7.17 | C3Br.1n (o) | 7.17 |
|
|
| 322.23 | 323.33 | C4n.1n (t) | 7.432 | C4n.1n (t) | 7.432 |
|
|
| 325.80 | 325.31 | C4n.1n (o) | 7.562 | C4n.1n (o) | 7.562 |
|
|
| 331.61 | 332.16 | C4n.2n (t) | 7.65 | C4n.2n (t) | 7.65 |
|
|
| 355.67 | 356.78 | C4n.2n (o) | 8.072 | C4n.2n (o) | 8.072 |
|
|
| 399.86 | 403.03 | C4r.2r-1 (t) | 8.635 | C4r.2r-1 (t) | 8.635 |
|
|
| 404.79 | 406.08 | C4r.2r-1 (o) | 8.651 | C4r.2r-1 (o) | 8.651 |
|
|
| 411.72 | 413.84 | C4An (t) | 8.699 | C4An (t) | 8.699 |
|
|
| 446.00 | 447.69 | C4An (o) | 9.025 | C4An (o) | 9.025 |
|
|
| 460.56 | 460.94 | C4Ar.1n (t) | 9.23 | C4Ar.1n (t) | 9.23 |
|
|
| — | 487.00 | C4Ar.1n (o) | 9.308 | C4Ar.1n (o) | 9.308 |
|
|
| — | 522.82 | C4Ar.2n (t) | 9.58 | C4Ar.2n (t) | 9.58 |
|
|
Notes: * = Barker, Camerlenghi, Acton, et al., 1999; Leg 178 Initial Reports. † = Iwai, 2000a, 2000b, unpublished data. (o) = onset, (t) = termination. ‡ = hiatus age was extrapolated using nearest control points. ** = hiatus ages were extrapolated using nearest control points of logging data. Numbers in parenthesis indicate the error range of the depth where the possible hiatus occurred in Hole 1095B.