Table T1. Projected coring depth intervals, Expedition 337. (See table note.)
Hole |
Depth (mbsf)
|
Length
(m)
|
Drilling method
|
Coring
method
|
Expected sedimentary age
and lithologic characteristics |
|
---|---|---|---|---|---|---|
Start
|
End
|
|||||
A | 670.0 | 679.5 | 9.5 | Riser | RCB | Upper Pliocene hemipelagic mud |
820.0 | 829.5 | 9.5 | Riser | RCB | Middle Pliocene hemipelagic mud | |
970.0 | 979.5 | 9.5 | Riser | RCB | Lower Pliocene hemipelagic mud | |
1120.0 | 1129.5 | 9.5 | Riser | RCB | Pliocene–Miocene unconformity | |
1270.0 | 1279.5 | 9.5 | Riser | RCB | Miocene–Oligocene hemipelagic mud | |
1370.0 | 1379.5 | 9.5 | Riser | RCB | Oligocene hemipelagic mud | |
1470.0 | 1479.5 | 9.5 | Riser | RCB | Oligocene sandstone | |
1581.5 | 1648.0 | 9.5 (×7) | Riser | RCB | Oligocene sandstone | |
1648.0 | 1675.0 | 27.0 | Riser | LDC | Oligocene–Eocene unconformity | |
1770.0 | 1789.0 | 9.5 (×2) | Riser | RCB | Eocene lacustrine mud | |
1870.0 | 1889.0 | 9.5 (×2) | Riser | RCB | Eocene lacustrine mud | |
1933.0 | 1990.0 | 9.5 (×6) | Riser | RCB | Eocene lignite | |
1990.0 | 2044.0 | 27.0 (×2) | Riser | LDC | Eocene lignite | |
2140.0 | 2149.5 | 9.5 | Riser | RCB | Eocene lacustrine mud | |
2190.5 | 2200.0 | 9.5 | Riser | RCB | Eocene lacustrine mud | |
B | 0 | 3.5 | 3.5 | Riserless | Hybrid-PCS or HPCS | Mudline sample |
10.0 | 13.5 | 3.5 | Riserless | Hybrid-PCS or HPCS | Quaternary sediment | |
100 | 103.5 | 3.5 | Riserless | Hybrid-PCS | Quaternary sediment | |
206.5 | 231.0 | 3.5 (×7) | Riserless | Hybrid-PCS | Hydrate-bearing sediment |
Note: RCB = rotary core barrel, LDC = large diameter coring, Hybrid-PCS = hybrid-pressure coring system, HPCS = hydraulic piston coring system.
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