Close   |    Next

Table T1. Drill holes into oceanic basement in intact crust and tectonically exposed lower crust and upper mantle.



Leg/Expedition

Hole

Latitude

Longitude

Ocean		 Water
depth
(m)
Age
(Ma)		 Sediment
thickness
(m) 		Basement
penetration
(m)
Recovery
(%)		 Spreading
rate
(S/I/F 40/80)

Comments

Lithology
24 238 11°09.21′S 70°31.56′E Indian 2844.5 30 506 81 50 S/I Projection of Chagos-Laccadive Plateau Basaltic lavas
26 257 30°59.16′S 108°20.99′E Indian 5278 120 262 65 50 S/I Wharton Basin off Perth, Australia Basalt and breccia
34 319A 13°01.04′S 101°31.46′W Pacific 4296 16 98 59 25 F Bauer Deep, 13°S East Pacific Rise Basaltic lavas
37 332A 36°52.72′N 33°38.46′W Atlantic 1851 3.5 104 331 10 S Mid-Atlantic Ridge 36°–37°N Basalt, basalt breccia, and interlayered sediments
37 332B 36°52.72′N 33°38.46′W Atlantic 1983 3.5 149 583 21 S Mid-Atlantic Ridge 36°–37°N Basalt and basalt breccia
37 333A 36°50.45′N 33°40.05′W Atlantic 1665.8 3.5 218 311 8 S Mid-Atlantic Ridge 36°–37°N Basalt and basalt breccia
37 335 37°17.74′N 35°11.92′W Atlantic 3188 15 454 108 38 S Mid-Atlantic Ridge 36°–37°N Basaltic lavas
45 395A 22°45.35′N 46°04.90′W Atlantic 4485 7.3 92 571 18 S Mid-Atlantic Ridge 23°N Basaltic lavas and breccia
45 396 22°58.88′N 43°30.95′W Atlantic 4450 9 126 96 33 S Mid-Atlantic Ridge 23°N Basaltic lavas
46 396B 22°59.14′N 43°30.90′W Atlantic 4459 13 151 255 23 S Mid-Atlantic Ridge 23°N Basalt and breccia
49 410A 45°30.53′N 29°28.56′W Atlantic 2987 9 331 49 38 S Mid-Atlantic Ridge 45°N Basaltic lavas
49 412A 36°33.74′N 33°09.96′W Atlantic 2626 1.6 163 131 18 S Mid-Atlantic Ridge 33°N Basalt flows and intercalating limestone
51–53 417A 25°06.63′N 68°02.48′W Atlantic 5478.2 110 208 209 61 S Western Atlantic Basaltic lavas
51–53 417D 25°06.69′N 68°02.81′W Atlantic 5489 110 343 366 70 S Western Atlantic Basaltic lavas
51–53 418A 25°02.10′N 68°03.44′W Atlantic 5519 110 324 544 72 S Western Atlantic Basaltic lavas
54 428A 09°02.77′N 105°26.14′W Pacific 3358.5 2.3 63 53 39 F 9°N East Pacific Rise Basaltic lavas
63 469 32°37.00′N 120°32.90′W Pacific 3802.5 17 391 63 34 I Off California coast Basaltic lavas
63 470A 28°54.46′N 117°31.11′W Pacific 3554.5 15 167 49 33 I Off California coast Basaltic lavas
65 482B 22°47.38′N 107°59.60′W Pacific 3015 0.5 137 93 54 I Off Gulf of California Massive basalt and interlayered sediment
65 482D 22°47.31′N 107°59.51′W Pacific 3015 0.5 138 50 50 I Off Gulf of California Massive basalt and interlayered sediment
65 483 22°53.00′N 108°44.90′W Pacific 3084 2 110 95 40 I Off Gulf of California Massive basalt and pillow basalt with interlayered sediments
65 483B 22°52.99′N 108°44.84′W Pacific 3084 2 110 157 47 I Off Gulf of California Massive basalt and pillow basalt with interlayered sediments
65 485A 22°44.92′N 107°54.23′W Pacific 2996.5 1.2 153.5 178 51 I Off Gulf of California Massive basalt and interlayered sediments
68 501 1°13.63′N 83°44.06′W Pacific 3466.9 6.6 264 73 60 I South flank of Costa Rica Rift Basaltic lavas
69/70/83/111/
137/140/148 		504B 1°13.611′N 83°43.818′W Pacific 3474 6.6 270 1841 20 I South flank of Costa Rica Rift Basalt, stockwork, and diabase
82 559 35°07.45′N 40°55.00′W Atlantic 3754 35 238 63 37 S West flank of Mid Atlantic Ridge 35°N Basaltic lavas
82 562 33°08.49′N 41°40.76′W Atlantic 3172 12 240 90 45 S West flank of Mid Atlantic Ridge 33°N Pillow basalt and massive basalt
82 564 33°44.36′N 43°46.03′W Atlantic 3820 35 284 81 43 S West flank of Mid Atlantic Ridge 34°N Pillow basalt and minor massive basalt
91 595B 23°49.34′S 165°31.61′W Pacific 5615 80 70 54 28 F Central South Pacific Vesicular aphyric basalt
92 597C 18°48.43′S 129°46.22′W Pacific 4164 30 53 91 53 F West flank South East Pacific Rise 18°S Massive basalt flows
106/109 648B 22°55.32′N 44°56.825′W Atlantic 3326 0 0 50 12 S Mid-Atlantic Ridge 23°N Pillow basalt
109 670A 23°9.996′N 45°1.932′W Atlantic 3625 0 0 77 6 S Mid-Atlantic Ridge, MARK, 23°N Serpentinized peridotite
118/176 735B 32°43.395′S 57°15.959′E Indian 720 11.8 0 1508 86 S Atlantis Bank, Southwest Indian Ridge Gabbro
123 765D 15°58.56′S 117°34.51′E Indian 5713.8 140 928 267 31 F Argo Abyssal Plain North–east mid-ocean-ridge basaltic lavas
129/185 801C 18°38.538′N 156°21.59′E Pacific 5674 170 462 414 47 F Western North Pacific Pillow basalt, basalt flows, and breccias
129 802A 12°5.778′N 153°12.63′E Pacific 5980 120 509 51 33 F Western North Pacific Basaltic lavas
136 843B 19°20.54′N 159°5.68′W Pacific 4418 95 243 71 37 F West of Hawaii Basaltic lavas
147 894E 2°18.059′N 101°31.524′W Pacific 3014 1 0 29 11 F Hess Deep Gabbro
147 894F 2°17.976′N 101°31.554′W Pacific 3025 1 0 26 7 F Hess Deep Gabbro
147 894G 2°17.976′N 101°31.554′W Pacific 3023 1 0 127.5 35 F Hess Deep Gabbro
147 895A 2°16.638′N 101°26.766′W Pacific 3821 1 0 17 14 F Hess Deep Serpentinized peridotite
147 895B 2°16.638′N 101°26.760′W Pacific 3821 1 0 10 10 F Hess Deep Serpentinized peridotite
147 895C 2°16.632′N 101°26.772′W Pacific 3820 1 0 38 15 F Hess Deep Serpentinized peridotite
147 895D 2°16.638′N 101°26.778′W Pacific 3821 1 0 94 20 F Hess Deep Serpentinized peridotite
147 895E 2°16.788′N 101°26.790′W Pacific 3753 1 0 88 37 F Hess Deep Serpentinized peridotite
147 895F 2°16.902′N 101°26.790′W Pacific 3693 1 0 26 8 F Hess Deep Serpentinized peridotite
148 896A 1°13.006′N 83°43.392′W Pacific 3459 6.6 179 290 27 I South flank of Costa Rica Rift Basaltic lavas
153 920B 23°20.310′N 45°1.038′W Atlantic 3339 <1 0 126.4 35.3 S Mid-Atlantic Ridge, MARK, 23°N Serpentinized peridotite
153 920D 23°20.322′N 45°1.044′W Atlantic 3338 <1 0 200.8 47.3 S Mid-Atlantic Ridge, MARK, 23°N Serpentinized peridotite
153 921A 23°32.460′N 45°1.866′W Atlantic 2488 <1 0 17.1 18.1 S Mid-Atlantic Ridge, MARK, 23°N Gabbro
153 921B 23°32.478′N 45°1.842′W Atlantic 2490 <1 0 44.1 19.4 S Mid-Atlantic Ridge, MARK, 23°N Gabbro
153 921C 23°32.472′N 45°1.830′W Atlantic 2495 <1 0 53.4 11.4 S Mid-Atlantic Ridge, MARK, 23°N Gabbro
153 921D 23°32.442′N 45°1.830′W Atlantic 2514 <1 0 48.6 12.7 S Mid-Atlantic Ridge, MARK, 23°N Gabbro
153 921E 23°32.328′N 45°1.878′W Atlantic 2456 <1 0 82.6 21.4 S Mid-Atlantic Ridge, MARK, 23°N Gabbro
153 922A 23°33.162′N 45°1.926′W Atlantic 2612 <1 0 14.6 63.2 S Mid-Atlantic Ridge, MARK, 23°N Gabbro
153 922B 23°31.368′N 45°1.926′W Atlantic 2612 <1 0 37.4 25.6 S Mid-Atlantic Ridge, MARK, 23°N Gabbro
153 923A 23°32.556′N 45°1.896′W Atlantic 2440 <1 0 70 57.2 S Mid-Atlantic Ridge, MARK, 23°N Gabbro
153 924B 23°32.460′N 45°0.858′W Atlantic 3170 <1 0 30.8 8.7 S Mid-Atlantic Ridge, MARK, 23°N Gabbro
153 924C 23°32.496′N 45°0.864′W Atlantic 3177 <1 0 48.5 23.1 S Mid-Atlantic Ridge, MARK, 23°N Gabbro
168 1025C 47°53.250′N 128°38.880′W Pacific 2602 1.237 106 41 37 I Juan de Fuca Flank Basalt
168 1026B 47°45.759′N 127°45.552′W Pacific 2658 3.511 256 39 5 I Juan de Fuca Flank Basalt
168 1026C 47°46.261′N 127°45.186′W Pacific 2669 3.516 229 19 3.5 I Juan de Fuca Flank Basalt
168 1032A 47°46.776′N 128°7.320′W Pacific 2645 2.621 290 48 6.5 I Juan de Fuca Flank Basalt
179 1105A 32°43.135′S 57°16.652′E Indian 714 11.8 0 158 75 S Atlantis Bank, Southwest Indian Ridge Gabbro
185 1149D 31°18.79′N 143°24.03′E Pacific 5818 133 307 133 17 F Western North Pacific Pillow basalt, basalt flows, and breccias
187 1162B 44°37.9′S 129°11.3′E Indian 5464 18 333 59 17 I Australian-Antarctic Discordance Basaltic lavas and breccia
187 1163A 44°25.5′S 126°54.5′E Indian 4354 17 161 47 33 I Australian-Antarctic Discordance Basaltic lavas
187 1164B 43°45.0′S 127°44.8′E Indian 4798 18.5 150 66 16 I Australian-Antarctic Discordance Basaltic lavas
191 1179D 41°04.8′N 159°57.8′E Pacific 5563.9 129 377 98 44 F Western North Pacific Basaltic lavas
200 1224F 27°53.36′N 141°58.77′W Pacific 4967.1 46 28 147 26 F Central Pacific Basaltic lavas
203 1243B 5°18.07′N 110°04.58′W Pacific 3868 11 110 87 25 F Western flank East Pacific Rise 5°N Basaltic lavas
206 1256C 6°44.18′N 91°56.06′W Pacific 3634.7 15 251 89 61 F Cocos plate eastern flank East Pacific Rise Basaltic lavas
206/309/312 1256D 6°44.16′N 91°56.06′W Pacific 3634.7 15 250 1257.1 37.1 F Cocos plate eastern flank East Pacific Rise Basaltic lavas, sheeted dike, and varitextured gabbro
209 1268A 14°50.755′N 45°4.641′W Atlantic 3007   0 147.6 53.3 S Mid-Atlantic Ridge 15°20′N Serpentinized peridotite
209 1270A 14°43.342′N 44°53.321′W Atlantic 1951   0 26.9 12.2 S Mid-Atlantic Ridge 15°20′N Gabbro
209 1270B 14°43.265′N 44°53.225′W Atlantic 1909   0 45.9 37.4 S Mid-Atlantic Ridge 15°20′N Gabbro
209 1270C 14°43.284′N 44°53.091′W Atlantic 1822   0 18.6 10.6 S Mid-Atlantic Ridge 15°20′N Gabbro
209 1270D 14°43.270′N 44°53.084′W Atlantic 1817   0 57.3 13.4 S Mid-Atlantic Ridge 15°20′N Gabbro
209 1271A 15°2.222′N 44°56.887′W Atlantic 3612   0 44.8 12.9 S Mid-Atlantic Ridge 15°20′N Serpentinized peridotite
209 1271B 15°2.189′N 44°56.912′W Atlantic 3585   0 103.8 15.3 S Mid-Atlantic Ridge 15°20′N Serpentinized peridotite
209 1272A 15°5.666′N 44°58.300′W Atlantic 2560   0 131 28.6 S Mid-Atlantic Ridge 15°20′N Serpentinized peridotite
209 1274A 15°38.867′N 46°40.582′W Atlantic 3940   0 155.8 22.2 S Mid-Atlantic Ridge 15°20′N Serpentinized peridotite
209 1275B 15°44.486′N 46°54.208′W Atlantic 1562   0 108.7 43.1 S Mid-Atlantic Ridge 15°20′N Gabbro
209 1275D 15°44.440′N 46°54.217′W Atlantic 1554   0 209 50 S Mid-Atlantic Ridge 15°20′N Gabbro
301 U1301A 47°45.209′N 127°45.833′W Pacific 2656 3.5 262 108 0 I Juan de Fuca Ridge flank; no coring (CORK) Basaltic lavas
301 U1301B 47°45.229′N 127°45.826′W Pacific 2655 3.5 265 318 12.9 I Juan de Fuca Ridge flank; recovery is only for the 232 m of cored basement Basaltic lavas
304 U1309B 30°10.108′N 42°7.110′W Atlantic 1642 2 2 99.8 45.9 S Mid-Atlantic Ridge 30°N Gabbro
304/305 U1309D 30°10.120′N 42°7.113′W Atlantic 1645 2 2 1413.3 74.8 S Mid-Atlantic Ridge 30°N Gabbro
327 U1362A 47°45.663′N 127°45.672′W Pacific 2661 3.5 236 292 29.6 I Juan de Fuca Ridge flank; recovery is only for the 150 m of cored basement Basaltic lavas

Compilation does not include other “hard rock” drill holes in oceanic plateaus, arc basement, hydrothermal mounds, or passive margins. S = slow, I = intermediate, F = fast. MARK = Mid-Atlantic Ridge Kane Fracture Zone. CORK = circulation obviation retrofit kit. This table is available in ASCII and in Microsoft Excel format (see 104_T1.XLS in CHAPTER_104 in TABLES in “Supplementary material”).

Close   |    Next   |    Top of page