Table T2. Summary of Site 1170 lithology and corresponding lithostratigraphic units for Site 1168 and DSDP Site 281.
| Site 1170 | Site
1168 corresponding lithologic unit/subunit |
DSDP Site 281 corresponding lithologic unit/subunit | ||||||
|---|---|---|---|---|---|---|---|---|
|
Lithologi
unit |
Subunit
|
Core
intervals
|
Lithology
|
Depth
(mbsf) |
ThicknesS
(m) |
Age
|
||
| I | 1170A-1H to 11H; 1170B-1H to 11H; 1170C-1H to 10H | White to light greenish gray nannofossil ooze | 0.0-93.0 | 93 | Holocene to early Pliocene | Subunit IA | Upper part of Subunit IA | |
| II |
IIA | 1170A-11H to 21X; 1170B-11H to 19X; 1170C-11H to 19H | White, laminated nannofossil ooze | 93.0-185.9 | 92.9 | early Pliocene to middle Miocene | Subunit IB | Subunit IA |
| IIB | 1170A-22X to 32X | White, massive nannofossil ooze | 185.9-290.0 | 104.1 | middle Miocene | upper part of Subunit IIA | Middle part of Subunit IB | |
| IIC | 1170A-33X to 41X | White, laminated nannofossil ooze | 290.0-373.0 | 83 | middle Miocene to early Miocene | Subunit IIA | Lower part of Subunit IB | |
| III | 1170A-41X to 52X; 1170D-1R to 5R | White to light greenish gray clay-bearing nannofossil chalk | 373.0-472.0 | 99 | early Miocene to early Oligocene/late Eocene | Subunits IIB, IIC, Unit III | Unit II and uppermost part of Unit III | |
| IV | 1170D-5R to 9R | Dark greenish gray to black glauconitic clayey siltstone | 472.0-497.0 | 25 | early Oligocene/late Eocene to late Eocene | Unit IV | Units III to V | |
| V | VA | 1170D-9R to 13R | Dark green to dark gray silty claystone | 497.0-539.1 | 42.1 | late Eocene | Unit V | Units IV and V |
| VB | 1170D-14R to 38R | 539.1-779.8 | 240.7 | middle Eocene | Did not penetrate | Unit VI | ||