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Data Publisher for Earth & Environmental Science

Event List of SO109/2

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Event labelOptional labelMethod/DeviceSensor URIDate/TimeLatitudeLongitudeElevationDate/Time endLatitude endLongitude endElevation endComment
SO109/2-trackUnderway cruise track measurements1996-06-06T00:00:0048.42480-123.387301996-06-25T00:00:0040.55940-73.95330Victoria B.C. - Astoria
SO109/2_121GTV121GTVAGrab_BGR Video A1999-06-22T00:00:0044.67055-125.10946-627bioherm//
SO109/2_49TSP49TSPTransponder46.03545-129.99573-1448North Rift Zone/deploy transponder 3/NOAA transponder 10.0 / D; responding
SO109/2_50TSP50TSPTransponder46.05257-130.01885-1456North Rift Zone/deploy transponder 4/NOAA transponder 10.5 / E; responding
SO109/2_51TSP51TSPTransponder46.06478-129.97207-1493North Rift Zone/deploy transponder 5/NOAA transponder 11.5 / G; responding
SO109/2_52CTD52CTDCTD/Rosette46.03817-130.01300-1637North Rift Zone/sample area of diffuse venting/12 bottles fired; background CTD values; weak methane anomaly at depth (max. 40nl/l)
SO109/2_53GKG53GKGGiant box corer46.08333-130.16667-2807basin NW of Axial Smt./tracer mapping in sediments/34cm layered sediment; muddy dark brown top layer, greyish brown clay-rich layer; blue-green sandy bottom
SO109/2_54CTD54CTDCTD/Rosette46.00000-130.01667-1544crater rim north of CASM/tracer mapping in water column/12 bottles fired; no apparent CTD anomalies; methane anomaly below 1400m (up to 100nl/l)
SO109/2_55GKG55GKGGiant box corer45.76668-130.31662-2725basin SE of Axial Smt./tracer mapping in sediments/45cm layered sediment; muddy dark brown top layer, grey-brown clay-rich layer; blue-green sandy bottom
SO109/2_56EXPL56EXPLPhoto/Video46.07968-130.01138-178046.04147-130.01418-1526North Rift Zone/detailed zig-zag mapping of North Rift Zone/found several areas of diffuse hydrothermal fluid flow and associated fauna and bacterial mats
SO109/2_57CTD57CTDCTD/Rosette46.00317-129.93867-2280Helium Basin/tracer mapping in water column/12 bottles fired; background CTD values; weak methane anomaly at 1450m depth (40nl/l)
SO109/2_58GKG58GKGGiant box corer46.00350-129.93845-2276Helium Basin/tracer mapping in sediments/30cm; 3cm of muddy brown sediment at the top followed by 2 discret layers of volcanic epiclastics separated by 1cm of mud
SO109/2_59CTD59CTDCTD/Rosette45.98550-130.02250-1573CASM/sample area of hydrothermal venting/12 bottles fired; no apparent CTD anomalies; methane anomaly below 1350m (up to 110 nl/l)
SO109/2_60GTV60GTVAGrab_BGR Video A45.91993-129.97233-154945.92007-129.97293-1553South Rift Zone/sampling of hydrothermal spire/ca. 300kg of basaltic material with some Fe-staining; pyrite and pyrrhotite observed in vesicles
SO109/2_61GTV61GTVAGrab_BGR Video A45.99070-130.02690-148145.98942-130.02683-1586CASM/sample barite spire in CASM field/approx. 300kg of very fresh basaltic material with abundant glass
SO109/2_62DR62DRDredge46.39263-129.48437-247246.37957-129.46185-1903Rogue Volcano/sample volcanic material from the NE slope of Rogue volcano/ca. 750kg of basaltic material including old pillows, younger glassy pillows and several pieces of phyric material
SO109/2_63CTD63CTDCTD/Rosette45.91650-129.91733-1630SE of Axial caldera/tracer mapping in water column/12 bottles fired; background CTD values; background methane values (up to 45 nl/l)
SO109/2_64CTD64CTDCTD/Rosette45.93333-129.96633-1531SE entrance of Axial caldera/tracer mapping in water column/12 bottles fired; background CTD values; moderate methane anomaly below 1400m (up to 80 nl/l)
SO109/2_65EXPL65EXPLPhoto/Video46.02177-130.01878-159846.06138-130.00250-1715North Rift Zone/explore fissure at North Rift Zone/found several areas of diffuse hydrothermal fluid flow and associated fauna and bacterial mats
SO109/2_66TSP66TSPTransponder46.06478-129.97207-1493North Rift Zone/release transponder 5/released
SO109/2_67GTV67GTVAGrab_BGR Video A45.98945-130.02462-155745.98923-130.02595-1585CASM/sample barite spire at CASM hydrothermal field/chimney located but grab didnĂ­t close
SO109/2_68TSP68TSPTransponder46.00667-130.00733-1297North Rift Zone/release transponder 1/released
SO109/2_69GTV69GTVAGrab_BGR Video A45.98907-130.02595-155945.98927-130.02637-1574CASM/sample barite spire at CASM hydrothermal field/150kg of basaltic breccia with sulfide lining and anhydrite in cavities; abundant vent fauna
SO109/2_70GTV70GTVAGrab_BGR Video A45.98940-130.02617-153745.98970-130.02628CASM/to 1570m (1568m)/sample barite spire at CASM hydrothermal field
SO109/2_71CTD71CTDCTD/Rosette45.98350-130.04167-1492NW of Axial caldera/tracer mapping in water column/12 bottles fired; moderate anomalies in transmission, potential temperature and methane (160nl/l) below 1350m
SO109/2_72CTD72CTDCTD/Rosette45.93383-130.04917SW of Axial caldera/tracer mapping in water column/12 bottles fired; small anomalies in transmission, potential temperature and methane (125nl/l) below 1400m
SO109/2_73TSP73TSPTransponder45.94153-130.00042-1333ASHES/deploy transponder 6/NOAA transponder 10.0 / D; responding
SO109/2_74TSP74TSPTransponder45.93355-129.97922-1302ASHES/deploy transponder 7/NOAA transponder 8.5 / A; responding
SO109/2_75TSP75TSPTransponder45.92492-130.00092-1330ASHES/deploy transponder 8/NOAA transponder 11.5 / G; responding
SO109/2_76CTD76CTDCTD/Rosette45.93367-129.99983-1533ASHES/tracer mapping in water column/12 bottles fired; small anomalies in transmission and potential temperature; increase in methane below 1300m with distinct peak (140nl/l) at 1480m
SO109/2_77EXPL77EXPLPhoto/Video45.91050-129.98900-1545South Rift Zone/detailed mapping of South Rift Zone/station aborted due to electronic failure
SO109/2_78CTD78CTDCTD/Rosette45.93333-130.01387-1535ASHES/transponder navigated mapping of the plume over Inferno Vent/12 bottles fired at depths below 1450m; strong temperature and transmission anomlay; methane values range from 100 to 700nl/l
SO109/2_79EXPL79EXPLPhoto/Video45.91093-129.98835-154145.95425-129.98745-1510South Rift Zone/map diffuse flow along South Rift Zone with SUAVE scanner mounted on EXPLOS/found several areas of diffuse hydrothermal fluid flow and associated fauna and bacterial mats
SO109/2_80CTD80CTDCTD/Rosette45.96950-130.01583-1560inside Axial caldera/sample inside Axial caldera/12 bottles fired; small anomalies in transmission, potential temperature and methane (135nl/l) below 1350m
SO109/2_81GTV81GTVAGrab_BGR Video A45.93353-130.01367-152745.93393-130.03127-1533ASHES vent field/sample base of Virgin Mound/ca. 100kg of massive sulfides (pyrite-marcasite-sphalerite-chalcopyrite) and abundant vent fauna at new chimney, Virgin vent not found.
SO109/2_82EXPL82EXPLPhoto/Video45.91962-130.00492-152145.94500-130.02142-1560ASHES/reconaissence mapping east of ASHES vent field with SUAVE CTD mounted on EXPLOS/found several areas of diffuse hydrothermal fluid flow and associated fauna and bacterial mats
SO109/2_83CTD83CTDCTD/Rosette45.93268-129.98223-1512Axial caldera/transponder navigated plume mapping north of Axial Garden/12 bottles fired; moderate anomalies in transmission and potential temperature; methane anomaly below 1400m with peak at 1500-1520m (max. 330nl/l CH4)
SO109/2_84EXPL84EXPLPhoto/Video46.28568-129.71577-220046.30903-129.70715-2297CoAxial segment Floc site/detailed mapping along the main eruptive fissure up to the HDV site with SUAVE scanner mounted on EXPLOS/found several areas of diffuse hydrothermal fluid flow and associated fauna and bacterial mats
SO109/2_85GTV85GTVAGrab_BGR Video A45.98922-130.02598-155745.98933-130.02597-1560CASM/grab barite spire at CASM site/ca. 300kg of very fresh glassy basalt
SO109/2_86GTV86GTVAGrab_BGR Video A45.98890-130.02670-156045.98970-130.02617-1570CASM/sample altered rock and talus at base of spire at CASM site/ca. 250kg of very fresh glassy basalt with few very small barite pieces
SO109/2_87CTD87CTDCTD/Rosette45.96683-129.98333-1499east of Axial caldera/tracer mapping in water column/12 bottles fired; moderate anomalies in transmission and potential temperature; methane anomaly below 1300m with peak at 1350m and decrease to ca. 100nl/l further below
SO109/2_88CTD88CTDCTD/Rosette45.95833-130.04195-1437west of Axial caldera/tracer mapping in water column/12 bottles fired; moderate anomalies in transmission and potential temperature; methane anomaly below 1300m (up to 110nl/l CH4)
SO109/2_89GTV89GTVAGrab_BGR Video A45.98887-130.02572-1566CASM/sample CASM barite spire/ca. 100kg of massive barite with some vent fauna and 500kg of basalt with indication of low-temperature hydrothermal activity
SO109/2_90GTV90GTVAGrab_BGR Video A45.98960-130.02600CASM//
SO109/2_91CTD91CTDCTD/Rosette45.93387-130.01412-1531ASHES vent field/transponder navigated plume mapping of ASHES hydrothermal field/12 bottles fired, anomalies in transmission and potential temperature; up to 200nl/l methane found
SO109/2_92TSP92TSPTransponder46.01860-130.03220-1398North Rift Zone/release transponder 2/released
SO109/2_93TSP93TSPTransponder46.03545-129.99573-1448North Rift Zone/release transponder 3/released
SO109/2_94TSP94TSPTransponder46.05257-130.01885-1456North Rift Zone/release transponder 4/released
SO109/2_95EXT95EXTExtensometer46.01890-130.01410North Rift Zone//
SO109/2_96CTD96CTDCTD/Rosette45.90000-130.09167-1951west of Axial caldera/tracer mapping in water column/12 bottles fired, background transmission and potential temperature; methane values at depth are generally below 20nl/l with a small peak at 1450m
SO109/2_97GTV97GTVAGrab_BGR Video A46.30882-129.70750CoAxial segment Floc site//
SO109/2_98CTD98CTDCTD/Rosette46.30853-129.70785-2247CoAxial segment Floc site/tracer mapping in water column/12 bottles fired, small anomalies in transmission and potential temperature; methane values below 25nl/l with small peak at 1700m
SO109/2_99GTV99GTVAGrab_BGR Video A46.16200-129.92067-1842North Rift Zone/sample youngest flows at this segment of the ridge/single fresh pillow, ca. 300 kg
SO109/2_100EXPL100EXPLPhoto/Video46.16200-129.92067-1842South Rift Zone/explore South Rift Zone for hydrothermal activity around main fissure using SUAVE on EXPLOS in low-sensitivity mode/aborted, transponder (8.5 kHz) was accidently shut off during station TSP 92-94
SO109/2_101TSP101TSPTransponder45.93185-129.97903-1306ASHES vent field/transponder release and deployment/transponder released (8.5 kHz) and deployed (9.5 kHz)
SO109/2_102CTD102CTDCTD/Rosette45.66695-129.78342-2538East of Juan de Fuca ridge/tracer mapping in water column, background station/12 bottles fired, background values for transmission, potential temperature and methane (<10nl/l) Cascadia Margin
SO109/2_103CTD103CTDCTD/Rosette44.64950-125.10000-654bioherm/tracer mapping in water column/12 bottles fired, no transmisson and potential temperature anomalies; two distinct methane peaks at 500m (660nl/l) and 580m (500nl/l)
SO109/2_104TSP104TSPTransponder44.66627-125.09962-502bioherm/deploy Sonartech transponder (11.5 kHz)/deployed, no differential GPS during deployment
SO109/2_105TSP105TSPTransponder44.67762-125.12192-598bioherm/deploy Sonartech transponder (11.5 kHz)/deployed, no differential GPS during deployment
SO109/2_106TSP106TSPTransponder44.67885-125.08728-572bioherm/deploy Sonartech transponder (11.5 kHz)/deployed, no differential GPS during deployment
SO109/2_107TSP107TSPTransponder44.65837-125.08453-541bioherm/deploy Sonartech transponder (11.5 kHz)/deployed, no differential GPS during deployment
SO109/2_108CTD108CTDCTD/Rosette44.67200-125.09550-601bioherm/tracer mapping in water column/12 bottles fired, strong methane peak below 580m (450nl/l CH4)
SO109/2_109GTV109GTVAGrab_BGR Video A44.67200-125.09550bioherm//position uncertain
SO109/2_110GTV110GTVAGrab_BGR Video A44.66583-125.09652bioherm//
SO109/2_111CTD111CTDCTD/Rosette44.68958-125.09592-714bioherm/tracer mapping in water column/12 bottles fired, moderate methane anomaly of 250nl/l CH4 at 650m depth
SO109/2_112CTD112CTDCTD/Rosette44.65833-125.07500-827bioherm/tracer mapping in water column/12 bottles fired, background values for transmission, potential temperature; methane values show no distinct peak but are generally around 100nl/l
SO109/2_113EXPL113EXPLPhoto/Video44.65710-125.09603bioherm//
SO109/2_47TSP47TSPTransponder46.00672-130.00733-1297North Rift Zone/deploy transponder 1/NOAA transponder 8.5 / A; responding
SO109/2_115GTV115GTVAGrab_BGR Video A44.67297-125.10183bioherm//
SO109/2_116GTV116GTVAGrab_BGR Video A44.67235-125.10195bioherm//
SO109/2_117CTD117CTDCTD/Rosette44.67083-125.09000-600bioherm/tow-jo in SSW direction/12 bottles fired, methane values range from 35 to 100 nl/l
SO109/2_118CTD118CTDCTD/Rosette44.66883-125.10900-608bioherm/tracer mapping in water column/12 bottles fired, strong methane anomaly between 490m and 540m (up to 4200 nl/l. Second smaller anomaly beneath 580m depth (1000 nl/l)
SO109/2_119GTV119GTVAGrab_BGR Video A44.67372-125.10110bioherm//
SO109/2_120CTD120CTDCTD/Rosette44.67417-125.10800-609bioherm/tracer mapping in water column tow-yo/12 bottles fired, few samples with elevated methane but bottle 7 showed record 4700 nl/l CH4.
SO109/2_122CTD122CTDCTD/Rosette44.66900-125.10917-606bioherm/tracer mapping in water column/12 bottles fired, small methane anomaly between 480m and 520m (900 nl/l)
SO109/2_114CTD114CTDCTD/Rosette44.65867-125.09950-614bioherm/tracer mapping in water column/12 bottles fired, strong methane anomaly below 520m with peak of ca. 1300nl/l CH4 at 540m depth
SO109/2_48TSP48TSPTransponder46.01860-130.03220-1398North Rift Zone/deploy transponder 2/NOAA transponder 9.5 / C; responding