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Special Holes

For data from all expeditions, see the LIMS Ocean Drilling Data Overview.

Gas hydrates

Leg Site Hole Special Hole Type Location Latitude Longtitude Water Depth Total Penetration (m) Basement Penetration (m) Casing (m) Special Hole Comment
66 490 * Gas Hydrate 16 10'N 99 3'W 1761 588
76 533 * Gas Hydrate 31 16'N 74 52'W 3191 168
84 570 * Gas Hydrate 13 17'N 91 24'W 1698 402
112 685 A Gas Hydrate 9 7'S 80 35'W 5093 469
112 688 A Gas Hydrate 11 32'S 78 57'W 3827 350 core 15X
131 808 F Gas Hydrate 32 21'N 134 57'E 4684 140 Small amount present in wash core
146 892 A Gas Hydrate 44 40'N 125 7'W 674 176
146 892 D Gas Hydrate 44 40'N 125 7'W 670 166
146 892 E Gas Hydrate 44 40'N 125 7'W 674 55
164 994 C Gas Hydrate 31 47'N 75 33'W 2799 704
164 994 D Gas Hydrate 31 47'N 75 33'W 2799 415
164 996 A Gas Hydrate 32 30'N 76 11'W 2170 63
164 996 B Gas Hydrate 32 30'N 76 11'W 2173 3
164 996 C Gas Hydrate 32 30'N 76 11'W 2171 3
164 996 D Gas Hydrate 32 30'N 76 11'W 2170 52
164 996 E Gas Hydrate 32 30'N 76 11'W 2170 62
164 997 A Gas Hydrate 31 51'N 75 28'W 2770 434
201 1230 A Gas Hydrate 9 7'S 80 35'W 5086 278
201 1230 B Gas Hydrate 9 7'S 80 35'W 5086 105
204 1244 C Gas Hydrate Cascadia Continental Margin 44 35'N 125 7'W 895 334
204 1244 E Gas Hydrate Cascadia Continental Margin 44 35'N 125 7'W 893 250
204 1245 B Gas Hydrate Cascadia Continental Margin 44 35'N 125 9'W 870 474
204 1245 C Gas Hydrate Cascadia Continental Margin 44 35'N 125 9'W 869 202
204 1246 B Gas Hydrate Cascadia Continental Margin 44 35'N 125 8'W 849 137
204 1247 B Gas Hydrate Cascadia Continental Margin 44 35'N 125 9'W 834 220
204 1248 B Gas Hydrate Cascadia Continental Margin 44 34'N 125 9'W 830 17
204 1248 C Gas Hydrate Cascadia Continental Margin 44 34'N 125 9'W 830 149
204 1249 B Gas Hydrate Cascadia Continental Margin 44 34'N 125 9'W 778 75
204 1249 C Gas Hydrate Cascadia Continental Margin 44 34'N 125 9'W 778 90
204 1249 D Gas Hydrate Cascadia Continental Margin 44 34'N 125 9'W 777 18
204 1249 E Gas Hydrate Cascadia Continental Margin 44 34'N 125 9'W 777 11
204 1249 F Gas Hydrate Cascadia Continental Margin 44 34'N 125 9'W 777 90
204 1249 J Gas Hydrate Cascadia Continental Margin 44 34'N 125 9'W 777 32
204 1250 C Gas Hydrate Cascadia Continental Margin 44 34'N 125 9'W 796 145
204 1250 D Gas Hydrate Cascadia Continental Margin 44 34'N 125 9'W 796 145
204 1250 E Gas Hydrate Cascadia Continental Margin 44 34'N 125 9'W 796 16
204 1250 F Gas Hydrate Cascadia Continental Margin 44 34'N 125 9'W 795 180
204 1251 D Gas Hydrate Cascadia Continental Margin 44 34'N 125 4'W 1210 230
204 1252 A Gas Hydrate Cascadia Continental Margin 44 35'N 125 6'W 1039 260
311 U1325 B Gas Hydrate Cascadia Continental Margin 48 38.7'N 126 58.9'W 2195 206.5
311 U1325 C Gas Hydrate Cascadia Continental Margin 48 38.7'N 126 58.9'W 2195 304.3
311 U1326 C Gas Hydrate Cascadia Continental Margin 48 37.6'N 127 03'W 1828 86.7
311 U1326 D Gas Hydrate Cascadia Continental Margin 48 37.6'N 127 03'W 1828 300
311 U1327 C Gas Hydrate Cascadia Continental Margin 48 41.9'N 126 51.9'W 1304 300
311 U1327 D Gas Hydrate Cascadia Continental Margin 48 41.9'N 126 51.9'W 1304 300
311 U1328 C Gas Hydrate Cascadia Continental Margin 48 40'N 126 51'W 1267 300
311 U1328 D Gas Hydrate Cascadia Continental Margin 48 40'N 126 51'W 1266 15
311 U1328 E Gas Hydrate Cascadia Continental Margin 48 40'N 126 51'W 1264 235
311 U1329 C Gas Hydrate Cascadia Continental Margin 48 47.3'N 126 40.7'W 946 189
311 U1329 E Gas Hydrate Cascadia Continental Margin 48 47.3'N 126 40.7'W 945 127