|
Epoch
|
Core, section,
interval (cm) |
Top
|
Bottom
|
Thickness
(m) |
Duration
(m.y.) |
LSR
|
DBD
(g/cm3) |
MAR
(g/cm2 k.y.) |
Main lithology
|
|||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Depth
(mbsf) |
Age
(Ma) |
Depth
(mbsf) |
Age
(Ma) |
|||||||||
|
(m/m.y.)
|
(cm/k.y.)
|
|||||||||||
|
|
207-1257A- |
|
|
|
|
|
|
|
|
|
|
|
| Neogene | 1H-1, 0, to 1H-2, 45 | 0 | — | 1.95 | 7 | 1.95 | — | — | — | — | — | Nannofossil ooze |
| Oligocene | 1H-CC, 25, to 6X-2, 104 | 2.54 | 29 | 43.14 | 37 | 40.60 | 8 | 5 | 0.5 | 0.95 | 0.5 | Nannofossil chalk |
| middle Eocene | 6X-3, 24, to 9X-5, 50 | 43.84 | 38 | 69.70 | 47 | 25.86 | 9 | 3 | 0.3 | 0.92 | 0.3 | Nannofossil chalk |
| early Eocene–late Paleocene | 9X-CC, 43, to 16X-CC, 58 | 70.38 | 53 | 138.37 | 59 | 67.99 | 6 | 11 | 1.1 | 1.17 | 1.3 | Nannofossil chalk |
| Maastrichtian–Campanian | 17X-1, 25, to 20X-2, 102 | 140.95 | 70 | 171.92 | 76 | 30.97 | 6 | 5 | 0.5 | 1.25 | 0.6 | Nannofossil chalk |
| Santonian–Cenomanian | 20X-5, 0, to 25X-CC, 43 | 175.40 | 83 | 219.33 | 94 | 43.93 | 11 | 4 | 0.4 | 1.60 | 0.6 | Claystone (black shale) |
| Albian | 27X-4, 143, to 31X-CC, 0 | 242.43 | 105 | 275.91 | 110 | 33.48 | 5 | — | — | 1.81 | — | Carbonate siltstone |
Notes: Averaged dry bulk densities (DBD) of major lithologies per studied interval were used (see "Physical Properties") to calculate mass accumulation rates (MAR) values. LSR = linear sedimentation rate. — = not assigned.