Table T1. Primary and alternate proposed sites, Expedition 339.
| Site | Location | Water depth (mbsl) |
Approved penetration (mbsf) |
Objectives and estimated sediment age |
|---|---|---|---|---|
| Primary sites | ||||
| SHACK- 4A | 37.571475°N, 10.12616°W | 2578 | 150 | Pliocene–Pleistocene history of upper deep water circulation; history of the intensification of Northern Hemisphere glaciations |
| GC-01A | 36.828136°N, 7.7554527°W | 566 | 526 | MOW upper core (Quaternary) [Themes 1, 2, and 3] |
| GC-09A | 36.805275°N, 7.7190444°W | 567 | 784 | MOW upper core (Pliocene) [Themes 1, 2, and 3] |
| GC-04D | 36.268972°N, 6.7942972°W | 670 | 1550 | Close to the Gibraltar Gateway [Themes 2 and 3] |
| GC-11A | 36.425294°N, 7.2781422°W | 671 | 990 | MOW lower core (Pliocene and Quaternary) [Themes 1, 2, and 3] |
| GC-02B | 36.317328°N, 7.718025°W | 980 | 350 | Neotectonic [Theme 4] |
| WI-01B | 37.359036°N, 9.4109472°W | 1074 | 675 | MOW West Iberian margin [Themes 2, 3] |
| Alternate sites | ||||
| GC-10C | 36.267022°N, 6.7910083°W | 671 | 990 | Same as GC-04D |
| GC-10B* | 36.268653°N, 6.7898611°W | 671 | 990 | Same as GC-04D |
| GC-04C* | 36.270328°N, 6.7931666°W | 671 | 1550 | Same as GC-04D |
* = pending Environmental Protection and Safety Panel approval. Relocation of previous proposed Site GC-04B is due to its proximity to an explosives dumping ground. MOW = Mediterranean Outflow Water.
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