Table T2. Rates of recovery and rate of penetration (ROP) in Hole 1256D during Leg 206 and Expeditions 309/312 and 335.
|
Interval
|
Cored
interval (m) |
Average recovery (%)
|
Average
ROP (m/h) |
|---|---|---|---|
| Leg 206 and Expedition 309/312: | |||
| Hole 1256D (Cores 2R–234R) | 1231 | 37 | 1.3 |
| Lavas and transition zone (Cores 2R–128R) | 785 | 41 | 1.5 |
| Upper dikes (Cores 129R–191R) | 287 | 37 | 0.9 |
| Granoblastic dikes (Cores 192R–213R) | 63 | 7 | 0.5 |
| Plutonic section (Cores 214R–234R) | 96 | 29 | 1.1 |
| Gabbros (Gabbro 1: Cores 214R–224R; Gabbro 2: Cores 230R to 232R-2, 98 cm) | 72 | 35 | 1.2 |
| Dike screen 1 (granoblastic basalt) | 24 | 11 | 0.9 |
| Expedition 335: | |||
| Dike screen 2 (granoblastic basalt) Cores 232R-2 through 239R (1507.1–1521.6 mbsf) | 26.7 | 11 | 0.9 |
| Cumulative Hole 1256D (Cores 2R–239R) | 1245.5 | 37 | 1.3 |
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