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 POS200/4_355SL 355 Gravity corer (Kiel type) SL 1993-05-01T06:33:00 38.99400 15.04100 -2750 wire 2852m touched bottom, no sediment POS200/4_336SL 336 Gravity corer (Kiel type) SL 1993-05-01T09:46:00 38.98817 15.03367 -2760 tensiometer and length of wire show discrepancies, no sediment POS200/4_337SL 337 Gravity corer (Kiel type) SL 1993-05-01T13:10:00 39.11817 15.13333 -2500 length of wire seems to be wrong; sediment core öf 4.10m lenght; solid, layered sediment, clayey grey-green layers interlain by mm or 10s of m thick sandy layers, showing glittering particles and mm thick biogenous fragments. POS200/4_338SL 338 Gravity corer (Kiel type) SL 1993-05-01T14:55:00 39.11700 15.15067 -2510 930cm long sediment core sediment dense, layered like 337 SL POS200/4_339OFOS 339 Ocean Floor Observation System OFOS 1993-05-02T07:22:00 39.53783 14.70267 -559 Bo-Co(T=13.9°C; P=334dB; Cond=35.5ms), 400 photos, 150 min of video POS200/4_340MS 340 Multisonde MS 1993-05-02T15:54:00 39.54050 14.70650 -650 HCl-1 - HCl-6, 6x5l water samples, 6x60ml for Cl determination, 6x40ml (frozen) samples for nutrient determination, 6x1l flttered acidified samples POS200/4_342BG 342 van Veen Grab VGRAB 1993-05-03T06:00:00 39.53817 14.69833 -614 hydrothermal crust covered by brown soft muddy sediment; 1 top sample, 1hydrothermal crust sample, 1 entire sample POS200/4_343BG 343 van Veen Grab VGRAB 1993-05-03T07:00:00 39.53967 14.68983 -630 grey soft muddy sediment covered by brown soft muddy sediment; 1 top sample. 1 entire sample POS200/4_344BG 344 van Veen Grab VGRAB 1993-05-03T07:47:00 39.54127 14.70620 -596 no sediment POS200/4_345BG 345 van Veen Grab VGRAB 1993-05-03T08:17:00 39.54137 14.70377 -579 Piece of coral encrusted of Mn; Sediment comparable to that of St.342 but just brown mud with pieces of hydroth. sediment; 1 entire sample POS200/4_346MS 346 Multisonde MS 1993-05-03T09:13:00 39.54183 14.70433 -580 HC2-1 - HC2-8, 6x5l water samples, 6x60ml for Cl determination, 6x40ml samples for nutrient determination, 6x1l filtered acidified samples POS200/4_347BG 347 van Veen Grab VGRAB 1993-05-03T09:51:00 39.53333 14.24217 -590 no sediment POS200/4_348BG 348 van Veen Grab VGRAB 1993-05-03T10:26:00 39.53200 14.72400 -553 grab did not close; no sediment POS200/4_349BG 349 van Veen Grab VGRAB 1993-05-03T11:00:00 39.53817 14.72050 -616 grab did not close; no sediment POS200/4_350BG 350 van Veen Grab VGRAB 1993-05-03T12:01:00 39.52200 14.72100 -618 nodules of hydrothermal origin soft sediment with (2-3mm) black fragments POS200/4_351DS 351 Dredge DRG 1993-05-03T12:20:00 39.70717 14.70633 -639 carbonat crust coated by Mn and Fe; compacted nontronite hydrothermal solid Fe-sediments; Fe-hydroxid layers; fragments of nontronite. covered with Mn; coral fragments covered with Mn POS200/4_352DS 352 Dredge DRG 1993-05-03T14:28:00 39.52567 14.66367 -868 Brown mud (thicker in St. 351) over green mud, Mn crusts enclose, Fe-sediments, Fe-hydroxide, and nontronite in particular: veins of fresh Mn in compact brown mud (steriodal from) POS200/4_353MS 353 Multisonde MS 1993-05-03T17:15:00 39.53983 14.70617 -650 HC3-1 - HC3-8, 8x5l water samples, 8x60ml for CL determination, 8x40ml samples for nutrient determination, 1l filtered acidified samples POS200/4_354OFOS 354 Ocean Floor Observation System OFOS 1993-05-04T06:52:00 39.54133 14.70267 -712 420 photos, 270 min of video 354-1, 1x5l water samples, 60ml for Cl determination, 40ml samples for nutrient determination, 1l Filtered acidified samples POS200/4_355OFOS 355 Ocean Floor Observation System OFOS 1993-05-04T12:30:00 39.52217 14.66067 -667 134 photos, 140 min of video 355-1, 1x5l water samples, 60ml for Cl determination, 40ml samples for nutrient determination, 1l Filtered acidified samples POS200/4_356MS 356 Multisonde MS 1993-05-04T15:40:00 39.52167 14.65833 -150 HC4-1 - HC4-8, 8x1l water samples (1l for O2calibration only), 8x60ml for CL determination, 8x40ml samples for nutrient determination, 8x1l filtered acidified samples POS200/4_357SL 357 Gravity corer (Kiel type) SL 1993-05-04T16:39:00 39.54050 14.70700 -615 110cm sediment core of layer, top cm soft, brown; upper layer grey, solid POS200/4_358SL 358 Gravity corer (Kiel type) SL 1993-05-04T17:15:00 39.54083 14.70617 -622 sediment of 160cm layer, as above, H2S-smell POS200/4_359MS 359 Multisonde MS 1993-05-05T14:47:00 38.41717 15.03783 -734 no samples POS200/4_360MS 360 Multisonde MS 1993-05-05T15:32:00 38.41833 15.04700 -925 no samples POS200/4_361DS 361 Dredge DRG 1993-05-05T16:06:00 38.41467 15.03717 -755 carbonate crust, covered with Mn POS200/4_362MS 362 Multisonde MS 1993-05-06T06:00:00 39.28367 14.39417 -569 HC5-1 - HC5-8, 8x5l water samples, 8x60ml for CL determination, 8x40ml samples for nutrient determination, 8x1l filtered acidified samples POS200/4_363DS 363 Dredge DRG 1993-05-06T06:52:00 39.28333 14.39083 -784 loss of dredge POS200/4_364BG 364 van Veen Grab VGRAB 1993-05-06T09:13:00 39.28400 14.39833 -530 no sediment POS200/4_365BG 365 van Veen Grab VGRAB 1993-05-06T09:42:00 39.28400 14.39517 -530 coarse grained sand with red fragments ( Fe-hydroxid fragments); volcanic material POS200/4_366OFOS 366 Ocean Floor Observation System OFOS 1993-05-06T10:45:00 39.28917 14.39233 -660 1 piece of lava on top of the OFOS frame, covered with corals and Mn coated; 604 photos, 394 min of video POS200/4_367OFOS 367 Ocean Floor Observation System OFOS 1993-05-07T07:17:00 39.52900 14.63667 -690 300 photos, 179 min of video POS200/4_369SL 369 Gravity corer (Kiel type) SL 1993-05-07T14:25:00 39.52267 14.66267 -662 80cm, green-gray endurated clay, pieces (2-3mm) of Fe-hydroxide and very small Mn-nodules, some muscorite; top cm = light brown soft mud POS200/4_370WS 370 Bottle, Niskin NIS 1993-05-08T11:00:00 38.63833 15.10500 -27 Hydrothermal spot between Datiilo and Lisca Bianca to the west of Panakea island. Also the samples; P1 - P4, 4x5l water samples, 4x30ml for Cl determination, 4x40ml samples for nutrient determination, 4x1l filtered acidified samples, 4x60ml for H2O deter. POS200/4_371OFOS 371 Ocean Floor Observation System OFOS 1993-05-08T15:47:00 38.66533 15.10183 -67 334 photos POS200/4_372WS 372 Bottle, Niskin NIS 1993-05-08T17:30:00 38.66617 15.10067 -67 near bottom water, where echo-sounder anomalies had been observed; HC6-1; HC6-4, 2x5l water samples, 2x1l filtered acidified samples POS200/4_375OFOS 375 Ocean Floor Observation System OFOS 1993-05-09T11:55:00 38.48000 14.51500 -100 photos. videos POS200/4_376WS 376 Bottle, Niskin NIS 1993-05-09T13:50:00 38.51050 14.89400 -115 B2, 1x5l water samples, 1x60ml for CL determination, 1x40ml samples for nutrient determination, 1x1l filtered acidified samples POS200/4_377WS 377 Bottle, Niskin NIS 1993-05-09T15:39:00 38.52167 14.90500 -92 B4, 1x5l water samples, 1x60ml for CL determination, 1x40ml samples for nutrient determination, 1x1l filtered acidified samples POS200/4_378BG 378 van Veen Grab VGRAB 1993-05-09T16:02:00 38.49833 14.88833 -105 black sandy sediment POS200/4_379BG 379 van Veen Grab VGRAB 1993-05-09T16:23:00 38.48417 14.88283 -106 black sandy sediment with Fe-drusts POS200/4_381RB 381 Rubber boat, Zodiac ZODIAC 1993-05-10T00:00:00 38.36667 14.90000 -100 POS200/4_384OFOS 384 Ocean Floor Observation System OFOS 1993-05-10T00:00:00 38.43333 14.96667 tests POS200/4_380profil 380 1993-05-10T08:18:00 38.37467 14.98300 -100 profil POS200/4_382OFOS 382 Ocean Floor Observation System OFOS 1993-05-10T10:56:00 38.42300 14.93517 -144 photos. videos