|
Epoch (zone)
|
Core, section
interval (cm) |
Top
|
Bottom
|
Thickness (m)
|
Duration (m.y.)
|
|
|
DBD
(g/cm3) |
MAR
(g/cm2/k.y.) |
Main lithology
|
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Depth
(mbsf) |
Age
(Ma) |
Depth
(mbsf) |
Age
(Ma) |
LSR
|
||||||||
|
(m/m.y.)
|
(cm/k.y.)
|
|||||||||||
|
|
207-1260A- |
|
|
|
|
|
|
|
|
|
|
|
| early Oligocene (reworking) | 2R-1, 1 to 5R-1, 1 | 1.0 | 28.5 | 28.8 | 32.0 | 28.8 | — | — | — | 1.16 | — | Nannofossil chalk |
| late Eocene (P16) | 5R-1, 1 to 6R-1, 1 | 28.8 | 33.8 | 38.2 | 35.2 | 9.4 | 1.4 | 6.7 | 0.67 | 1.09 | 0.73 | Nannofossil chalk |
| middle Eocene (P13–P10) | 6R-1, 1 to 25R-1, 1 | 38.2 | 40.1 | 220.7 | 49.0 | 182.5 | 8.9 | 20.5 | 2.05 | 1.02 | 2.09 | Nannofossil chalk |
| early Eocene–late Paleocene (P8–P4) | 25R-1, 1 to 35R-6, 1 | 220.7 | 50.4 | 324.6 | 59.2 | 103.9 | 8.6 | 12.1 | 1.12 | 1.39 | 1.56 | Nannofossil chalk |
| late Paleocene–late Campanian (P3a–KS29) | 35R-6, 1 to 42R-1, 1 | 324.6 | 60.0 | 384.5 | 73.8 | 59.9 | 13.8 | 4.3 | 0.43 | 1.62 | 0.70 | Nannofossil chalk |
| Coniacian–Albian (CC12–KS16) | 42R-1, 1 to 53R-1, 1 | 384.5 | 89.3 | 481.3 | 100.4 | 93.3 | 11.1 | 8.4 | 0.84 | 1.42 | 1.19 | Calc claystone with Corg |
| early Albian (KS13) | 53R-1, 1 to 54R-CC, 11 | 481.3 | 105.0 | 491.4 | 109.5 | 13.6 | 4.5 | 3.0 | 0.30 | 1.80 | 0.54 | Quartz siltstone |
Notes: Average dry bulk densities (DBD) of major lithologies per studied interval were used (see "Physical Properties") to calculate mass accumulation rate (MAR) values. — = not assigned.