Table T1. Expedition 323 drill sites and Proposal 477 proposed drill sites. (See table notes.)
| Drilled site | Proposed site | Latitude | Longitude | Water depth (mbsl) |
Penetration |
Estimated sedimentation rate (cm/k.y.) |
Estimated bottom age (Ma) |
Drilling priority |
|---|---|---|---|---|---|---|---|---|
| Bering Sea (high-priority sites) | ||||||||
| Umnak Plateau | ||||||||
| U1339 | UMK-4D | 54°41.1′N | 169°58.0′W | 1885 | 200 | 13 | — | High |
| Not drilled | UMK-3B | 54°25.1′N | 170°14.6′W | 1898 | 200 | 12.9 | 1.6 | H-Alt |
| Bowers Ridge | ||||||||
| U1340 | BOW-12B | 53°24.0′N | 179°31.3′W | 1313 | 745 | 8.4 | 8.3 | High |
| U1341 | BOW-14B | 54°02.0′N | 179°00.5′E | 2166 | 600 | 12.6 | 5.6 | High |
| U1342 | BOW-15A | 54°49.7′N | 176°55.0′E | 837 | 165 | 3.2 | 3.0 | High |
| Gateway | ||||||||
| U1343 | GAT-4C | 57°34.6′N | 175°45.2′W | 1853 | 745 | 8.0 | 8.8 | High |
| U1344 | GAT-3C | 59°03.0′N | 179°10.0′W | 3158 | 745 | 9.1 | 7.7 | High |
| Shirshov Ridge | ||||||||
| Not drilled | SHR-3B | 56°26.1′N | 170°37.2′E | 2232 | 200 | 8.0 | 2.5 | High |
| Not drilled | SHR-1B | 57°19.0′N | 170°06.4′E | 963 | 200 | 8.0 | 2.5 | H-Alt |
| Kamchatka Strait | ||||||||
| Not drilled | KST-1B | 55°55.6′N | 164°54.9′E | 3435 | 200 | — | — | Inter |
| Okhotsk Sea | ||||||||
| Academy of Sciences Rise | ||||||||
| Not drilled | ASR-3B | 48°58.7′N | 150°26.4′E | 1422 | 700 | 14 | 5.0 | High |
| Not drilled | ASR-4B | 48°45.0′N | 151°13.5′E | 2025 | 200 | 14 | 1.4 | High |
| Not drilled | ASR-1C | 49°04.4′N | 150°34.4′E | 1396 | 245 | 38 | 0.5 | H-Alt |
| Not drilled | ASR-2B | 48°35.6′N | 150°55.8′E | 2175 | 245 | 18 | 3.9 | H-Alt |
| Central Okhotsk Plateau | ||||||||
| Not drilled | COP-2E | 51°59.0′N | 147°10.4′E | 1320 | 745 | 10 | 7.0 | High |
| Not drilled | COP-2F | 52°03.1′N | 147°01.4′E | 1345 | 200 | 10 | 2.0 | H-Alt |
| Off Kamchatka Peninsula | ||||||||
| Not drilled | KAM-2B | 52°14.2′N | 153°02.3′E | 610 | 200 | 6.6 | 3.0 | High |
| Pegasus Rise | ||||||||
| Not drilled | PGR-2A | 47°52.9′N | 147°13.7′E | 2544 | 445 | 15 | 1.3 | High |
| Off Sakhalin islands | ||||||||
| Not drilled | SAK-2B | 51°19.5′N | 145°55.5′E | 970 | 200 | 10 | 2.0 | Inter |
Notes: High = highest priority, H-Alt = high-priority alternate, Inter = secondary priority. — = no data.
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