Event label Optional label Method/Device Abbreviation O2A Registry URI Date/Time Latitude Longitude Elevation Date/Time end Latitude end Longitude end Elevation end Comment MSM03/2-track Underway cruise track measurements CT 2006-11-08T00:00:00 14.60070 -61.07100 2006-11-30T00:00:00 14.60070 -61.07100 Fort de France - Fort de France MSM03/2_927-MUC MultiCorer MUC 2006-11-14T00:00:00 14.71350 -44.96000 -3273 Near Logatchev; 6 cores of ~22 cm length with pelagic sediment, foraminifera MSM03/2_923-SV Sound velocity probe SNDVELPR 2006-11-14T00:00:00 14.75267 -45.38817 -3060 Near Logatchev; acquire sound velocity profile through the water column using sound velocity probe MSM03/2_926-RD Dredge, Rauschert RD 2006-11-14T00:00:00 14.67502 -44.90828 -1763 Hilltop on eastern rift valley wall; ~50 cm core; basalt, glass, pebble of microgabbro MSM03/2_924-MB Multibeam MB 2006-11-14T00:00:00 14.75033 -45.08250 -3683 Near Logatchev; Multibeam survey using Simrad EM120; max. angle: port: 11°, starboard: 11°; various courses MSM03/2_929-DR Dredge DRG 2006-11-15T00:00:00 14.73333 -45.05333 -4217 2006-11-15T00:00:00 14.73333 -45.04167 -4109 Near Logatchev; Pillow basalts with glassy rims, Mn-coating MSM03/2_930-MB Multibeam MB 2006-11-15T00:00:00 14.73350 -45.08367 -3569 Near Logatchev; start profile, various courses MSM03/2_931-RD Dredge, Rauschert RD 2006-11-15T00:00:00 14.67513 -44.90873 -1762 Hilltop on eastern rift valley wall; repetition of station 925; 2 cores of 1.71 m length; fragments of vesicular to dense basalt; fractures filled with chlorite and a mixture of carbonate and mud MSM03/2_933-MUC MultiCorer MUC 2006-11-15T00:00:00 14.76350 -44.98000 -3224 Near Logatchev; 11 cores (30 cm in length) with pelagic sediment; biogenic carboniferous pteropoda-foraminiferous sandy, silty mud (ooze) MSM03/2_928-DR Dredge DRG 2006-11-15T00:00:00 14.75667 -45.00833 -3659 2006-11-15T00:00:00 14.75367 -44.99983 -3468 Near Logatchev; pristine basalt pillows and fragments of them, often with a glassy outer rim MSM03/2_935-MUC MultiCorer MUC 2006-11-16T00:00:00 14.75533 -44.98117 -3055 Near Logatchev; 7 cores (15-28 cm in length) with pelagic sediment; sandy silty carboniferous (foraminifera) mud, homogeneous MSM03/2_936-DR Dredge DRG 2006-11-16T00:00:00 14.76667 -45.04167 -4167 2006-11-16T00:00:00 14.76333 -45.03333 -3904 Near Logatchev; numerous pristine, cm-sized samples of dark brown basaltic glass; in some cases dense basalt underneath glass layer MSM03/2_937-DR Dredge DRG 2006-11-16T00:00:00 14.80517 -45.04000 -4069 2006-11-16T00:00:00 14.80000 -45.03333 -3964 Near Logatchev; ~100 kg brownish, clay-silty sediment; 100 g of dense greenish weathered, slightly vesicular basalt fragments, often with Mn-coating MSM03/2_934-MB Multibeam MB 2006-11-16T00:00:00 14.72567 -44.91550 -2662 Near Logatchev; start profile, various courses MSM03/2_939-MB Multibeam MB 2006-11-17T00:00:00 14.77467 -44.90667 -2597 2006-11-17T00:00:00 14.69317 -44.91167 -1991 Near Logatchev; various courses MSM03/2_941-DR Dredge DRG 2006-11-17T00:00:00 14.75167 -44.99333 -3170 2006-11-17T00:00:00 14.75167 -44.98667 -3080 Near Logatchev; pelagic sediment; large boulder (45 cm in diameter) of coarse grained gabbronoritic cumulate MSM03/2_942-DR Dredge DRG 2006-11-17T00:00:00 14.72583 -44.98083 -3276 2006-11-17T00:00:00 14.72417 -44.97167 -3007 Near Logatchev; variety of mafic and ultramafic rocks: coarse to fine grained gabbronorites; harzburgites (some serpentinized), serpentinite, peridotite; most samples coated with grainy layer of Mn-ore MSM03/2_938-DR Dredge DRG 2006-11-17T00:00:00 14.83333 -45.03333 -3859 2006-11-17T00:00:00 14.83333 -45.02500 -3796 Near Logatchev; large basalt pillow (cut on one side) with glassy outer rim; several rim sections of that pillow; large pillow with Mn-coating and glass layer MSM03/2_946-GC Gravity corer GC 2006-11-18T00:00:00 14.75232 -44.97857 -2998 Logatchev, between sites F and B; 175 cm core; clay matrix with rock fragments; layer with mixture of chloride and serpentinite; multicoloured section MSM03/2_943-DR Dredge DRG 2006-11-18T00:00:00 14.77500 -44.97167 -3074 2006-11-18T00:00:00 14.77250 -44.96667 -2720 Near Logatchev; fragments of dense vesicular basalt and rim sections of basaltic pillow with Mn-coating MSM03/2_944-MB Multibeam MB 2006-11-18T00:00:00 14.78333 -44.90983 -2628 2006-11-18T00:00:00 14.80833 -45.00467 -3794 Near Logatchev; various courses MSM03/2_945-GC Gravity corer GC 2006-11-18T00:00:00 14.75370 -44.98027 -3042 Logatchev south of Quest; 124 cm core; sandy with rock fragments to typical deep-sea clay, layer with altered disintegrated gabbro; samples only taken from the lower meter MSM03/2_947-GC Gravity corer GC 2006-11-18T00:00:00 14.75265 -44.97902 -3016 Logatchev; north of site F; 160 cm core; homogeneous silty to sandy matrix with distinct colour transition; layer with altered rock fragments; dense clay matrix with dark brown crust-like fracture filling MSM03/2_949-DR Dredge DRG 2006-11-19T00:00:00 14.71933 -44.94167 -2744 2006-11-19T00:00:00 14.71417 -44.92917 -2568 Near Logatchev; mainly ultramafic but also mafic samples: serpentinites, altered gabbronorites, serpentinized harzburgites; one remarkable serpentinite sample, which is cut by a cm-thick hornblende-gabbronorite vein MSM03/2_948-2-RD Dredge, Rauschert RD 2006-11-19T00:00:00 14.75370 -44.98022 -3038 Logatchev south of Quest; at water surface; testing termination, dive aborted MSM03/2_952-MB Multibeam MB 2006-11-20T00:00:00 14.70817 -44.99183 -3778 2006-11-20T00:00:00 14.82500 -45.08933 -2981 Near Logatchev; start profile, various courses MSM03/2_953-GC Gravity corer GC 2006-11-20T00:00:00 14.75182 -44.97838 -2988 Logatchev; north of site B; 254 cm core; iron-silica crusts; sulphide and silicate crust; mixture of different grain sizes from clay to gravel MSM03/2_954-RD Dredge, Rauschert RD 2006-11-20T00:00:00 14.75187 -44.97838 -2977 Logatchev; north of site B; 4 barrels were drilled, but material was only in 2. (<25%) and 4. (50%) barrel; iron-silica crust, fragment of massive sulphide, strongly altered peridotite, aggregates of pyrite MSM03/2_951-DR Dredge DRG 2006-11-20T00:00:00 14.66667 -45.02183 -3773 2006-11-20T00:00:00 14.66667 -45.02500 -3803 Near Logatchev; basalt pillow showing up to 3 mm thick outer glassy rim followed by dense, vesicular basalt MSM03/2_955-RD Dredge, Rauschert RD 2006-11-21T00:00:00 14.75320 -44.97953 -3016 Logatchev, NW base Irina II; 9 barrels drilled; gravel in barrel 3 (<10%), 7 (75%) and 8 (50%, black coating); gravel of alt. gabbroids, peridotites, serpentinites; Py-crust on top of barrel 7; RD 2 collected two pieces of massive sulphides of Cu-chimneys MSM03/2_957-RD Dredge, Rauschert RD 2006-11-22T00:00:00 14.75367 -44.98030 -3045 Logatchev; south of Quest; begin heaving; 8 cores drilled; barrel 1 and 2 contained sediments, barrels 3-8 rock fragments MSM03/2_956-MB Multibeam MB 2006-11-22T00:00:00 14.79983 -44.92517 -2673 2006-11-22T00:00:00 14.68850 -44.90667 -1855 Near Logatchev; various courses MSM03/2_959-RD Dredge, Rauschert RD 2006-11-24T00:00:00 14.75332 -44.97728 -2997 Near site M60/3-54-GTV; 6 barrels drilled, hydrothermal sediments, fragments of altered rocks, Fe-Mn-crusts MSM03/2_958-GC Gravity corer GC 2006-11-24T00:00:00 14.75372 -44.98025 -3042 Logatchev; empty except for a few pieces of sulphide crust MSM03/2_961-MB Multibeam MB 2006-11-25T00:00:00 14.00000 -44.00000 -3004 2006-11-25T00:00:00 14.00000 -44.00000 -2923 Near Logatchev; various courses MSM03/2_962-RD Dredge, Rauschert RD 2006-11-25T00:00:00 14.00000 -44.00000 -2983 Site B Near smoking crater; 11 cores drilled; barrel 6 empty; sulphide pebbles at 10 m depth MSM03/2_960-GC Gravity corer GC 2006-11-25T00:00:00 14.00000 -44.00000 -2968 Irina I; 70 cm core; sediments and mixture of rock fragments MSM03/2_964-GC Gravity corer GC 2006-11-26T00:00:00 14.00000 -44.00000 -2972 Irina I; 77 cm core; hydrothermal sediment, Fe-Mn-crusts MSM03/2_963-GC Gravity corer GC 2006-11-26T00:00:00 14.00000 -44.00000 -2952 Site '957'; 57 cm core; hydrothermal sediment with sulphides MSM03/2_965-GC Gravity corer GC 2006-11-26T00:00:00 14.00000 -44.00000 -2994 Site M60/3-54-GTV; 155 cm core; hydrothermal sediment, Fe-Si-Mn-crusts MSM03/2_966-DR Dredge DRG 2006-11-27T00:00:00 14.00000 -44.00000 -3435 2006-11-27T00:00:00 14.00000 -44.00000 -3419 Near Logatchev; pelagic sediment with a few small pieces of basalt