| Leg 190 - Nankai Trough Accretionary Prism (Proposal No. 445-6) | |||||||||
| Operations Plan and Time Estimate for Primary Sites | |||||||||
| Revision: 7 Date: 27 Jan 00 | |||||||||
| Site | Location | Water | Operations Description | Days | Transit | Drilling | Logging | Total | |
| No. | Lat/Long | Depth | per hole | (days) | (days) | (days) | On-site | ||
| Guam | 13°27'N | Transit 1244.2 nmi from Guam to ENT-01A | 4.9 | ||||||
| 144°38'E | Seismic survey on approach to site | 0.30 | |||||||
| ENT-01A | 32°14.14'N | 4760 m | Hole A: APC core to 125 mbsf, XCB to 350 mbsf | 4.6 | 10.2 | 1.8 | 12.0 | ||
| 135°01.87'E | Oriented APC, ~2 ea Adara, ~3 ea DVTP, ~4 ea WSTP | ||||||||
| Hole B: Drill to 340 mbsf, RCB to 700 mbsf | 7.3 | ||||||||
| ~3 ea DVTP, ~ 4 ea WSTP | |||||||||
| Log - triple-combo, FMS-sonic, VSP check shot | |||||||||
| NOTE: PPSP approved depth is 700 mbsf | |||||||||
| Transit 7.3 nmi from ENT-01A to ENT-03A | 0.0 | ||||||||
| ENT-03A | 32°20.30'N | 4730 m | Hole A: APC to 125 mbsf, XCB to 350 mbsf | 4.4 | 15.1 | 0.0 | 15.1 | ||
| 134°57.25'E | Oriented APC, ~2 ea Adara, ~3 ea DVTP, ~4 ea WSTP | ||||||||
| Hole B: Drill to 340 mbsf, RCB core to 1150 mbsf | 10.7 | ||||||||
| 1 ea DIC, ~3 ea DVTP, ~4 ea WSTP | |||||||||
| NOTE: PPSP approved depth is 1160 mbsf | |||||||||
| Transit 22.6 nmi from ENT-03A to ENT-07A | 0.1 | ||||||||
| ENT-07A | 32°36.03'N | 3022 m | Hole A: APC to 200 mbsf, XCB to 400 mbsf | 3.3 | 3.3 | 0.0 | 3.3 | ||
| 134°38.42'E | Oriented APC, ~2 ea Adara, ~3 ea DVTP, ~4 ea WSTP | ||||||||
| NOTE: PPSP approved depth is 800 mbsf | |||||||||
| Transit 2.6 nmi from ENT-07A to ENT-06A | 0.1 | ||||||||
| ENT-06A | 32°34.49'N | 3045 m | Hole A: APC core to 200 mbsf, XCB to 500 mbsf | 4.1 | 8.6 | 0.0 | 8.6 | ||
| 134°40.31'E | Oriented APC, ~2 ea Adara, ~3 ea DVTP, ~4 ea WSTP | ||||||||
| Hole B: Drill to 490 mbsf, RCB to 800 mbsf | 4.4 | ||||||||
| ~3 ea DVTP, ~4 ea WSTP | |||||||||
| NOTE: PPSP approved depth is 800 mbsf | |||||||||
| Transit 61.8 nmi from ENT-06A to WNT-01A | 0.2 | ||||||||
| WNT-01A | 31°43.87'N | 4850 m | Hole A: Drill 0 to 300 mbsf, RCB 300 mbsf to 700 mbsf | 6.7 | 6.7 | 0.0 | 6.7 | ||
| 133°56.85'E | ~3 ea DVTP, ~4 ea WSTP | ||||||||
| NOTE: PPSP approved depth is 1200 mbsf | |||||||||
| Yokohama | 35°28'N | Transit 374.8 nmi from WNT-01A to Yokohama | 1.6 | ||||||
| 139°38'E | |||||||||
| Subtotals | 7.3 | 43.9 | 1.8 | 45.7 | |||||
| TOTAL DAYS: | 53.0 | ||||||||