Epoch
|
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.)
|
|||||||||||
|
207-1258A- |
|
|
|
|
|
|
|
||||
Neogene | 1R-1, 0, to 1R-CC, 0 | 0 |
— |
4.98 | 11.7 | 4.98 |
— |
— |
— |
0.92 |
— |
Nannofossil ooze |
middle Eocene–late Paleocene | 2R-CC, 0, to 26R-CC, 0 | 11.43 | 45.2 | 245.32 | 60.9 | 233.89 | 15.7 | 15 |
1.5 |
1.14 |
1.7 |
Nannofossil chalk |
early Paleocene | 27R-1, 0, to 27R-CC, 0 | 245.30 | 64.5 | 252.58 | 65.2 | 7.28 | 0.7 | 10 |
1.0 |
1.45 |
1.5 |
Nannofossil chalk |
Maastrichtian–Campanian | 27R-CC, 0, to 41R-CC, 0 | 252.58 | 65.2 | 385.45 | 79 | 132.87 | 13.8 | 10 |
1.0 |
1.55 |
1.6 |
Nannofossil chalk |
Turonian–Albian | 42R-CC, 0, to 50R-CC, 0 | 399.35 | 83 | 446.22 | 101.7 | 46.87 | 18.7 | 3 |
0.3 |
None |
— |
Organic-rich limestone |
Notes: Averaged dry bulk densities (DBD) of major lithologies per studied interval were used (see "Physical Properties") to calculate mass accumulation rate (MAR) values. LSR = linear sedimentation rate. — = not assigned.