Table 2. Operations plan and time estimates for Leg 200.
Site | Location Latitude/Longitude |
Water Depth |
Operations Description | Transit (days) |
On-Site (days) |
Honolulu | 21.19°N, 157.50°W | Transit 940 nmi Honolulu to Site H2O @ 10.5 kt | 3.7 | ||
H2O-1 | 27.8988°N, 141.9924°W | 4980 m | Hole A (Exploratory): 30 m sediment penetration | 0.6 | |
H2O-2 | 27.8667°N, 141.9967°W | 4980 m | Hole A (Exploratory): 30 m sediment penetration | 0.2 | |
H2O-3 | 27.8733°N, 141.9857°W | 4980 m | Hole A (Exploratory): 30 m sediment penetration | 0.2 | |
H2O-4 | 27.8883°N, 142.0076°W | 4980 m | Hole A (Exploratory): 30 m sediment penetration | 0.6 | |
H2O Final | To be selected from one of the above sites |
4980 m | Set reentry cone, core to 325 mbsf (~250 m basement penetration), log, set casing to ~320 mbsf |
25.3 | |
San Diego | 32.45°N, 117.10°W | Transit 1340 nmi H2O to San Diego @ 10.5 kt | 5.3 | ||
Subtotal: | 9.0 | 26.9 | |||
ODP Proposal 500-Full2: H2O Observatory | TOTAL DAYS: 35.9 |