A

DSDP, ODP, and IODP Legs and Expeditions

TABLE A.1 Deep Sea Drilling Project (DSDP) Leg Start and End Dates, Sites Drilled on Each Leg, and the Region Where Drilling Occurred.

Leg Start Date Knd Date Sites Region
1 20-Jul-68 23-Sep-68 1-7 Gulf of Mexico, western Atlantic, Bermuda Rise
2 1-Oct-68 24-Nov-68 8-12 North Atlantic Ocean
3 4-Dec-68 20-Jan-69 13-22 South Atlantic Ocean
4 27-Jan-69 21-Mar-69 23-31 Mid-Atlantic Ridge
5 12-Apr-69 5-Jun-69 32-43 Northeast Pacific Ocean
6 14-Jun-69 5-Aug-69 44-60 Mid-Oceanic Ridge
7 8-Aug-69 2-Oct-69 61-67 Western equatorial Pacific Ocean
8 10-Oct-69 27-Nov-69 68-75 East central equatorial Pacific Ocean
9 6-Dec-69 27-Jan-70 76-84 East Pacific Rise
10 13-Feb-70 5-Apr-70 85-97 Gulf of Mexico
11 8-Apr-70 1-Jun-70 98-110 Western North Atlantic Ocean
12 19-Jun-70 11-Aug-70 111-119 North Atlantic Ocean
13 13-Aug-70 6-Oct-70 120-134 The Mediterranean Ocean Basin
14 10-Oct-70 1-Dec-70 135-144 Continental margins off West Africa and South America
15 5-Dec-70 2-Feb-71 146-154 Caribbean Sea
16 2-Feb-71 30-Mar-71 155-163 Eastern equatorial Pacific Ocean
17 30-Mar-71 25-May-71 164-171 Central Pacific Ocean
18 29-May-71 20-Jul-71 172-182 Northeast Pacific Ocean, Gulf of Alaska
19 25-Jul-71 7-Sep-71 183-193 North Pacific Ocean, Bering Sea
20 19-Sep-71 30-Oct-71 194-202 Western Pacific Ocean
21 9-Nov-71 11-Jan-72 203-210 Pacific east of Tonga Trench
22 21-Jan-72 4-Mar-72 211-218 Ninetyeast Ridge and eastern Indian Ocean
23 8-Mar-72 1-May-72 219-230 Arabian Sea and Red Sea
24 5-May-72 21-Jun-72 231-238 Gulf of Aden, Somali Basin, Central Indian Ridge


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OCR for page 85
A DSDP, ODP, and IODP Legs and Expeditions TABLE A.1 Deep Sea Drilling Project (DSDP) Leg Start and End Dates, Sites Drilled on Each Leg, and the Region Where Drilling Occurred. Leg Start Date End Date Sites Region 1 20-Jul-68 23-Sep-68 1-7 Gulf of Mexico, western Atlantic, Bermuda Rise 2 1-Oct-68 24-Nov-68 8-12 North Atlantic Ocean 3 4-Dec-68 20-Jan-69 13-22 South Atlantic Ocean 4 27-Jan-69 21-Mar-69 23-31 Mid-Atlantic Ridge 5 12-Apr-69 5-Jun-69 32-43 Northeast Pacific Ocean 6 14-Jun-69 5-Aug-69 44-60 Mid-Oceanic Ridge 7 8-Aug-69 2-Oct-69 61-67 Western equatorial Pacific Ocean 8 10-Oct-69 27-Nov-69 68-75 East central equatorial Pacific Ocean 9 6-Dec-69 27-Jan-70 76-84 East Pacific Rise 10 13-Feb-70 5-Apr-70 85-97 Gulf of Mexico 11 8-Apr-70 1-Jun-70 98-110 Western North Atlantic Ocean 12 19-Jun-70 11-Aug-70 111-119 North Atlantic Ocean 13 13-Aug-70 6-Oct-70 120-134 The Mediterranean Ocean Basin 14 10-Oct-70 1-Dec-70 135-144 Continental margins off West Africa and South America 15 5-Dec-70 2-Feb-71 146-154 Caribbean Sea 16 2-Feb-71 30-Mar-71 155-163 Eastern equatorial Pacific Ocean 17 30-Mar-71 25-May-71 164-171 Central Pacific Ocean 18 29-May-71 20-Jul-71 172-182 Northeast Pacific Ocean, Gulf of Alaska 19 25-Jul-71 7-Sep-71 183-193 North Pacific Ocean, Bering Sea 20 19-Sep-71 30-Oct-71 194-202 Western Pacific Ocean 21 9-Nov-71 11-Jan-72 203-210 Pacific east of Tonga Trench 22 21-Jan-72 4-Mar-72 211-218 Ninetyeast Ridge and eastern Indian Ocean 23 8-Mar-72 1-May-72 219-230 Arabian Sea and Red Sea 24 5-May-72 21-Jun-72 231-238 Gulf of Aden, Somali Basin, Central Indian Ridge continued 85

OCR for page 85
86 SCIENTIFIC OCEAN DRILLING TABLE A.1 Continued Leg Start Date End Date Sites Region 25 28-Jun-72 22-Aug-72 239-249 Arabian Sea and Red Sea 26 6-Sep-72 30-Oct-72 250-258 Indian Ocean 27 1-Nov-72 9-Dec-72 259-263 Eastern Indian Ocean 28 20-Dec-72 19-Feb-73 264-274 South Pole/Antarctica, Ross Sea 29 2-Mar-73 18-Apr-73 275-284 Northern Antarctic, Subantarctic 30 24-Apr-73 13-Jun-73 285-289 Indian Ocean 31 13-Jun-73 4-Aug-73 290-302 West Philippine Basin and the Sea of Japan 32 16-Aug-73 10-Oct-73 303-313 Northwestern Pacific Ocean 33 2-Nov-73 17-Dec-73 314-318 Central Pacific Ocean 34 20-Dec-73 2-Feb-74 319-321 Nazca Plate 35 13-Feb-74 30-Mar-74 322-325 Antarctic waters, Southeast Pacific Basin 36 4-Apr-74 22-May-74 326-331 Antarctic water 37 May ‘74 July ‘74 332-335 Mid-Atlantic Ridge 38 29-Jul-74 26-Sep-74 336-352 Norwegian-Greenland Sea 39 6-Oct-74 17-Dec-74 353-359 Western South Atlantic Ocean 40 17-Dec-74 15-Feb-75 360-365 South Atlanic Ocean 41 17-Feb-75 10-Apr-75 366-370 Eastern central North Atlantic Ocean 42- Pt 1 4-Apr-75 21-May-75 371-378 Mediterranean Sea 42- Pt 2 21-May-75 11-Jun-75 379-381 Black Sea 43 13-Jun-75 12-Aug-75 382-387 Western North Atlantic Ocean 44 5-Aug-75 30-Sep-75 388-394 Western North Atlantic Ocean 45 30-Nov-75 20-Jan-76 395-396 Mid-Atlantic Ridge 46 28-Jan-76 19-Mar-76 396A-396B Mid-Atlantic Ridge 47- Pt 1 20-Mar-76 12-Apr-76 397 Eastern North Atlantic Ocean, Northwest African Margin 47- Pt 2 13-Apr-76 9-May-76 398 Western Iberian Continental Margin 48 12-May-76 13-Jul-76 399-406 Bay of Biscay, Rockall Plateau 49 18-Jul-76 4-Sep-76 407-414 North Atlantic Ocean 50 13-Sep-76 8-Nov-76 415-416 Central and North Atlantic Ocean 51 20-Nov-76 17-Jan-77 417 Western North Atlantic Ocean 52 22-Jan-77 8-Mar-77 417-418 Western North Atlantic Ocean 53 12-Mar-77 21-Apr-77 418 Western North Atlantic Ocean 54 30-Apr-77 18-Jun-77 419-429 East Pacific Rise 55 18-Jun-77 6-Sep-77 430-433 Hawaiian-Emperor chain 56 12-Sep-77 6-Oct-77 434-436 Japan Trench Transect 57 19-Oct-77 2-Dec-77 438-441 Japan Trench Transect 58 4-Dec-77 30-Jan-78 442-446 North Philippine Sea 59 3-Feb-78 15-May-78 447-451 West Philippine Sea and Mariana Trench 60 15-Mar-78 15-May-78 452-461 Philippine Sea, Mariana Trough 61 22-May-78 29-Jul-78 462 Nauru Basin, Western Equatorial Pacific 62 29-Jul-78 7-Sep-78 463-466 North central Pacific Ocean 63 9-Oct-78 26-Nov-78 467-473 Eastern North Pacific Ocean 64 2-Dec-78 8-Jan-79 474-480 Gulf of California

OCR for page 85
87 APPENDIX A TABLE A.1 Continued Leg Start Date End Date Sites Region 65 24-Jan-79 12-Mar-79 482-485 Gulf of California, Esat Pacific Rise 66 18-Mar-79 2-May-79 486-493 Middle America Trench 67 16-May-79 23-Jun-79 494-500 Middle America Trench Transect 68 13-Aug-79 13-Sep-79 502-503 Western Caribbean Sea, Eastern equatorial Pacific Ocean 69 20-Sep-79 25-Oct-79 501, 504-505 Costa Rica Rift 70 11-Nov-79 1-Dec-79 504b, 506-510 Galapagos Spreading Center 71 15-Jan-80 13-Feb-80 511-514 South Atlantic Ocean, Falkland Plateau 72 29-Feb-80 4-Apr-80 515-518 Brazil Basin, Rio Grande Rise 73 13-Apr-80 1-Jun-80 519-524 South Atlantic Ocean 74 10-Jun-80 20-Jul-80 525-529 Walvis Ridge 75 27-Jul-80 25-Aug-80 530-532 Angola Basin, Walvis Ridge 76 13-Oct-80 9-Dec-80 533-534 Blake Outer Ridge, Blake-Bahama Basin 77 29-Dec-80 25-Jan-81 535-540 Southeastern Gulf of Mexico 78A 13-Feb-81 9-Mar-81 541-543 Barbados Ridge complex 78B 14-Mar-81 8-Apr-81 395 Mid-Atlantic Ridge 79 17-Apr-81 22-May-81 544-547 Mazagan Plateau 80 30-May-81 22-Jul-81 548-551 Goban Spur Region 81 27-Jul-81 21-Sep-81 552-555 Rockall Plateau 82 22-Sep-81 1-Nov-81 556-564 Central North Atlantic Ocean 83 22-Nov-81 2-Jan-82 504B Costa Rica Rift 84 10-Jan-82 26-Feb-82 565-570 Middle America Trench and Slope 85 19-Mar-82 24-Apr-82 571-575 Central Equatorial Pacific 86 16-May-82 13-Jun-82 576-581 Western North Pacific Ocean 87 28-Jun-82 16-Aug-82 582-584 Nankai Trough, Japan Trench 88 24-Aug-82 3-Sep-82 581 Northwest Pacific Basin 89 18-Oct-82 23-Nov-82 585-586 Western Pacific Ocean 90 3-Dec-82 7-Jan-83 587-594 Western Equatorial and Southwest Pacific Ocean 91 21-Jan-83 6-Feb-83 595-596 Southwest Pacific Basin 92 23-Feb-83 18-Apr-83 504B, 597-602 Southeast Pacific Ocean 93 4-May-83 17-Jun-83 603-605 Northwestern Atlantic Ocean 94 2-Jul-83 12-Aug-83 606-611 North Atlantic Ocean 95 25-Aug-83 22-Sep-83 612-613 New Jersey Transect, Continental slope and upper rise 96 29-Sep-83 8-Nov-83 614-624 Mississippi Fan, Gulf of Mexico SOURCE: Data from http://www.deepseadrilling.org/i_reports.htm.

OCR for page 85
88 SCIENTIFIC OCEAN DRILLING TABLE A.2 Ocean Drilling Program (ODP) Leg Start and End Dates, Sites Drilled on Each Leg, and the Region Where Drilling Occurred. Leg Start Date End Date Sites Region 100 11-Jan-85 29-Jan-85 625 Gulf of Mexico 101 29-Jan-85 14-Mar-85 626-636 Bahamas 102 14-Mar-85 25-Apr-85 418 Bermuda Rise 103 25-Apr-85 19-Jun-85 637-641 Galicia Margin 104 19-Jun-85 23-Aug-85 642-644 Norwegian Sea 105 23-Aug-85 27-Oct-85 645-647 Baffin Bay and Labrador Sea 106 27-Oct-85 26-Dec-85 648-649 Mid-Atlantic Ridge 107 26-Dec-85 18-Feb-86 650-656 Tyrrhenian Sea 108 18-Feb-86 17-Apr-86 657-668 Eastern Tropical Atlantic 109 17-Apr-86 19-Jun-86 395, 648, 669-670 Mid-Atlantic Ridge 110 19-Jun-86 16-Aug-86 671-676 Northern Barbados Ridge 111 16-Aug-86 20-Oct-86 504, 677-678 Costa Rica Rift 112 20-Oct-86 25-Dec-86 679-688 Peru Continental Margin 113 25-Dec-86 11-Mar-87 689-697 Weddell Sea, Antarctica 114 11-Mar-87 13-May-87 698-704 Subantarctic South Atlantic 115 13-May-87 2-Jul-87 705-716 Mascarene Plateau 116 2-Jul-87 19-Aug-87 717-719 Distal Bengal Fan 117 19-Aug-87 18-Oct-87 720-731 Oman Margin 118 18-Oct-87 14-Dec-87 732-735 Southwest Indian Ridge 119 14-Dec-87 21-Feb-88 736-746 Kerguelen Plateau and Prydz Bay 120 21-Feb-88 30-Apr-88 747-751 Central Kerguelen Plateau 121 30-Apr-88 28-Jun-88 752-758 Broken Ridge and Ninetyeast Ridge 122 28-Jun-88 28-Aug-88 759-764 Exmouth Plateau 123 28-Aug-88 1-Nov-88 765-766 Argo Abyssal Plain and Exmouth Plateau 124 1-Nov-88 4-Jan-89 767-771 Celebes and Sulu Seas 124E 4-Jan-89 16-Feb-89 772-777 Philippine Sea/ Engineering Tests 125 16-Feb-89 18-Apr-89 778-786 Bonin/Mariana Region 126 18-Apr-89 19-Jun-89 787-793 Izu-Bonin Arc-Trench System 127 19-Jun-89 21-Aug-89 794-797 Japan Sea 128 21-Aug-89 20-Nov-89 794, 798-799 Japan Sea 129 20-Nov-89 19-Jan-90 800-802 Old Pacific Crust/ Pigafetta and Mariana Basins 130 19-Jan-90 27-Mar-90 803-807 Ontong Java Plateau 131 27-Mar-90 1-Jun-90 808 Nankai Trough 132 1-Jun-90 4-Aug-90 808-810 Western and central Pacific 133 4-Aug-90 11-Oct-90 811-826 Northeast Australian Margin 134 11-Oct-90 17-Dec-90 827-833 Vanuatu, New Hebrides 135 17-Dec-90 28-Feb-91 834-841 Lau Basin 136 28-Feb-91 20-Mar-91 842-843 Hawaiian Arch 137 20-Mar-91 1-May-91 504 Costa Rica Rift 138 1-May-91 4-Jul-91 844-854 Eastern equatorial Pacific

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89 APPENDIX A TABLE A.2 Continued Leg Start Date End Date Sites Region 139 4-Jul-91 11-Sep-91 855-858 Middle Valley, Juan de Fuca Ridge 140 11-Sep-91 12-Nov-91 504 Costa Rica Rift 141 12-Nov-91 12-Jan-92 859-863 Chile Triple Junction 142 12-Jan-92 18-Mar-92 864 East Pacific Rise/ Engineering Tests 143 18-Mar-92 20-May-92 670, 865-870 Northwest Pacific Atolls and Guyots 144 20-May-92 20-Jul-92 800-801, 871-880 Northwest Pacific Atolls and Guyots 145 20-Jul-92 20-Sep-92 881-887 North Pacific Transect 146 20-Sep-92 22-Nov-92 888-893 Cascadia Margin 147 22-Nov-92 21-Jan-93 894-895 Hess Deep Rift Valley 148 21-Jan-93 10-Mar-93 504, 896 Costa Rica Rift 149 10-Mar-93 25-May-93 897-901 Iberia Abyssal Plain 150 25-May-93 24-Jul-93 902-906 New Jersey Sea-Level Transect 150X* Mar-93 Aug-93 Island Beach, Atlantic City New Jersey Coastal Plain 150X Suppl.* Mar-94 Apr-94 Cape May New Jersey Coastal Plain 151 24-Jul-93 24-Sep-93 907-913 North Atlantic-Arctic Gateways I 152 24-Sep-93 22-Nov-93 914-919 East Greenland Margin 153 22-Nov-93 24-Jan-94 920-924 Mid-Atlantic Ridge/ Kane Fracture Zone 154 24-Jan-94 25-Mar-94 925-929 Ceara Rise 155 25-Mar-94 25-May-94 930-946 Amazon Deep-Sea Fan 156 24-May-94 24-Jul-94 947-949 Barbados Ridge Accretionary Prism 157 24-Jul-94 23-Sep-94 950-956 Gran Canaria and Madeira Abyssal Plain 158 23-Sep-94 22-Nov-94 957 TAG Hydrothermal Mound 159T 23-Dec-94 3-Jan-95 958 Eastern Canary Basin 159 3-Jan-95 2-Mar-95 959-962 Côte D’Ivoire- Ghana Transform Margin 160 7-Mar-95 3-May-95 963-973 Mediterranean Sea I 161 3-May-95 2-Jul-95 974-979 Mediterranean Sea II 162 7-Jul-95 3-Sep-95 907, 980-987 North Atlantic-Arctic Gateways II 163 3-Sep-95 7-Oct-95 988-990 Southeast Greenland Margin 163X* Aug-99 Sep-99 EG64-66, 68 Southeast Greenland Margin 164 31-Oct-95 19-Dec-95 991-997 Blake Ridge and Carolina Rise 165 21-Dec-95 17-Feb-96 998-1002 Caribbean Ocean History 166 20-Feb-96 10-Apr-96 1003-1009 Bahamas Transect 167 20-Apr-96 16-Jun-96 1010-1022 California Margin 168 16-Jun-96 15-Aug-96 1023-1032 Juan de Fuca Ridge 169S 15-Aug-96 20-Aug-96 1033-1034 Saanitch Inlet 169 21-Aug-96 16-Oct-96 856-858, 1035-1038 Sedimented Ridges II (NE Pacific Ocean) 170 16-Oct-96 17-Dec-96 1039-1043 Costa Rica Accretionary Wedge 171A 17-Dec-96 8-Jan-97 1044-1048 Northern Barbados Accretionary Prism LWD 171B 8-Jan-97 14-Feb-97 1049-1053 Blake Nose Paleoceano- graphic Transect 172 14-Feb-97 15-Apr-97 1054-1064 Northwest Atlantic Sediment Drifts continued

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90 SCIENTIFIC OCEAN DRILLING TABLE A.2 Continued Leg Start Date End Date Sites Region 173 15-Apr-97 15-Jun-97 1065-1070 Return to Iberia 174A 15-Jun-97 19-Jul-97 1071-1073 Continuing the New Jersey Sea-Level Transect 174AX* Oct-96 Nov-96 Bass River New Jersey Coastal Plain 174AX Suppl.* Jul-98 Aug-98 Ancora New Jersey Coastal Plain 174AX Suppl.* Sep-99 Oct-99 Ocean View New Jersey Coastal Plain 174AX Suppl.* May-00 Jun-00 Bethany Beach New Jersey Coastal Plain 174AX Suppl.* Oct-01 Oct-01 Fort Mott New Jersey Coastal Plain 174AX Suppl.* May-02 Jun-02 Millville New Jersey Coastal Plain 174AX Suppl.* Sep-03 Nov-03 Sea Girt New Jersey Coastal Plain 174AX Suppl.* Sep-04 Oct-04 Cape May Zoo New Jersey Coastal Plain 174B 19-Jul-97 9-Aug-97 395, 1074 CORK Hole 395A (N Atlantic Ocean) 175 9-Aug-97 8-Oct-97 1075-1087 Benguela Current 176 8-Oct-97 9-Dec-97 735 Return to Hole 735B (Indian Ocean) 177 9-Dec-97 5-Feb-98 1088-1094 Southern Ocean Paleoceanography 178 5-Feb-98 9-Apr-98 1095-1103 Antarctic Glacial History and Sea-Level Change 179 9-Apr-98 7-Jun-98 1104-1107 Hammer Drilling and NERO (Indian Ocean) 180 7-Jun-98 11-Aug-98 1108-1118 Woodlark Basin, Papua New Guinea 181 11-Aug-98 8-Oct-98 1119-1125 Southwest Pacific Gateways 182 8-Oct-98 7-Dec-98 1126-1134 Great Australian Bight Carbonates 183 7-Dec-98 11-Feb-99 1135-1142 Kerguelen Plateau-Broken Ridge 184 11-Feb-99 12-Apr-99 1143-1148 South China Sea 185 12-Apr-99 14-Jun-99 801, 1149 Izu-Mariana Margin 186 14-Jun-99 14-Aug-99 1150-1151 Western Pacific Geophysical Observatories 187 16-Nov-99 10-Jan-00 1152-1164 Australian- Antarctic Discordance 188 10-Jan-00 11-Mar-00 1165-1167 Prydz Bay-Cooperation Sea, Antarctica 189 11-Mar-00 6-May-00 1168-1172 Tasmanian Gateway 190 6-May-00 16-Jul-00 1173-1178 Nankai Trough Accretionary Prism 191 16-Jul-00 8-Sep-00 1179-1182 West Pacific ION Project/ Hammer Drill Engineering 192 8-Sep-00 7-Nov-00 1183-1187 Basement Drilling on the Ontong Java Plateau 193 7-Nov-00 3-Jan-01 1188-1191 Manus Basin Hydrothermal System 194 3-Jan-01 2-Mar-01 1192-1199 Marion Plateu, Northeast Australia 195 2-Mar-01 2-May-01 1200-1202 Seafloor Observatories and the Kuroshio Current 196 2-May-01 1-Jul-01 808, 1173 Nankai Trough Accretionary Prism: LWD and ACORK 197 1-Jul-01 27-Aug-01 1203-1206 Hawaiian Hotspot Motion 198 27-Aug-01 23-Oct-01 1207-1214 Cretaceous- Paleogene Climate, Shatsky Rise 199 23-Oct-01 16-Dec-01 1215-1222 Paleogene equatorial Transect (Pacific Ocean) 200 16-Dec-01 27-Jan-02 1223-1224 Hawaii-2 Observatory and Nuuanu Landslide 201 27-Jan-02 29-Mar-02 1225-1231 Microbial communities, Eastern equatorial Pacific and Peru Margin 202 29-Mar-02 30-May-02 1232-1242 Southeast Pacific Paleoceano- graphic Transects

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91 APPENDIX A TABLE A.2 Continued Leg Start Date End Date Sites Region 203 30-May-02 7-Jul-02 1243 Equatorial Pacific Ion Multidisciplinary Observatory 204 7-Jul-02 2-Sep-02 1244-1252 Gas Hydrates (Cascadia Margin) 205 2-Sep-02 6-Nov-02 1253-1255 Costa Rica Continental Margin CORK 206 6-Nov-02 4-Jan-03 1256 Fast Spreading Crust (Guatemala Basin) 207 11-Jan-03 6-Mar-03 1257-1261 Demerara Rise (Central Atlantic) 208 6-Mar-03 6-May-03 1262-1267 Walvis Ridge (Southern Atlantic) 209 6-May-03 6-Jul-03 1268-1275 Mid-Atlantic Ridge (Central Atlantic) 210 6-Jul-03 6-Sep-03 1276-1277 Newfoundland Margin NOTE: Sites marked with an asterisk (150X, 163X, and 174AX) were funded by organizations other than ODP. SOURCE: Data from http://www.odplegacy.org/science_results/leg_summaries.html.

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92 SCIENTIFIC OCEAN DRILLING TABLE A.3 Integrated Ocean Drilling Program (IODP) Expedition Start and End Dates, Sites Drilled on Each Expedition, and the Region Where Drilling Occurred. Exp # Start Date End Date Sites Region 301 27-Jun-04 21-Aug-04 U1301, 1026 Juan de Fuca Ridge 301T 21-Aug-04 25-Sep-04 1253-1255 Costa Rica Hydrogeology 303 25-Sep-04 17-Nov-04 U1302-U1308 North Atlantic Ocean 304 17-Nov-04 8-Jan-05 U1309-U1311 Atlantis Massif, Mid-Atlantic Ridge 305 8-Jan-05 2-Mar-05 U1309 Atlantis Massif, Mid-Atlantic Ridge 306 2-Mar-05 25-Apr-05 U1312-U1315 North Atlantic Ocean 307 25-Apr-05 30-May-05 U1316-U1318 Southwest Irish continental margin 308 30-May-05 8-Jul-05 U1319-U1324 Gulf of Mexico 309 8-Jul-05 28-Aug-05 1256 Eastern equatorial Pacific 311 28-Aug-05 28-Oct-05 U1325-U1329 Cascadia Margin 312 28-Oct-05 29-Dec-05 1256 Eastern equatorial Pacific 320 5-Mar-09 5-May-09 U1331-U1336 Equatorial Pacific Ocean 321 5-May-09 23-Jun-09 U1337-U1338 Equatorial Pacific Ocean 321T 23-Jun-09 5-Jul-09 U1301 Juan de Fuca Ridge 323 5-Jul-09 4-Sep-09 U1339-U1345 Bering Sea 324 4-Sep-09 4-Nov-09 U1346-U1350 Shatsky Rise 317 4-Nov-10 4-Jan-10 U1351-U1354 Canterbury Basin 318 4-Jan-10 8-Mar-10 U1355-U1361 Antarctic Wilkes Land Margin 327 5-Jul-10 5-Sep-10 U1362-U1363, U1301, 1027 Juan de Fuca Ridge 328 5-Sep-10 19-Sep-10 U1364 Cascadia Margin 329 9-Oct-10 13-Dec-10 U1365-U1371 South Pacific Gyre 330 13-Dec-10 11-Feb-11 U1372-U1377 Louisville Seamounts, Southwest Pacific Ocean 334 15-Mar-11 13-Apr-11 U1378-U1381 Costa Rica margin 335 13-Apr-11 3-Jun-11 1256 Eastern equatorial Pacific 336 16-Sep-11 17-Nov-11 395, U1382 Mid-Atlantic Ridge SOURCE: Data from http://www.iodp.org/expeditions.