Lithologic
unit and subunit |
Basement
unit |
Core
interval |
Depth
(mbsf) |
Thickness
(m) |
Age |
Lithology |
Interpretation |
IA
|
|
1R-1,
0 cm to 2R-1, 61 cm |
0.00-10.01 |
10.01 |
middle
Miocene |
Diatom
nannofossil ooze and silty diatom ooze |
Pelagically
deposited sediment; bathyal depths (cold water) |
IB
|
|
2R-1,
61 cm to 25R-5, 92 cm |
10.01-234.52 |
224.51 |
middle
Miocene to early Oligocene |
Foraminifer-bearing
nannofossil ooze and nannofossil chalk |
Pelagically
deposited sediment; bathyal depths |
II
|
1-6
|
25R-5,
92 cm to 37R-4, 35 cm |
234.52-321.90 |
87.38 |
early
Oligocene to late Eocene(?) |
Submarine
pillow basalts with minor interbeds of dolomitized nannofossil chalk and
dolomite |
Submarine
lava flows and pelagically deposited sediment; bathyal depths |