Event List of SO109/2
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| Event label | Optional label | Method/Device | Abbreviation | Sensor URI | Date/Time | Latitude | Longitude | Elevation | Date/Time end | Latitude end | Longitude end | Elevation end | Comment |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SO109/2-track | Underway cruise track measurements | CT | 1996-06-06T00:00:00 | 48.42480 | -123.38730 | 1996-06-25T00:00:00 | 40.55940 | -73.95330 | Victoria B.C. - Astoria | ||||
| SO109/2_121GTV | 121GTVA | Grab_BGR Video A | GTVA | 1999-06-22T00:00:00 | 44.67055 | -125.10946 | -627 | bioherm// | |||||
| SO109/2_49TSP | 49TSP | Transponder | TRANSPO | 46.03545 | -129.99573 | -1448 | North Rift Zone/deploy transponder 3/NOAA transponder 10.0 / D; responding | ||||||
| SO109/2_50TSP | 50TSP | Transponder | TRANSPO | 46.05257 | -130.01885 | -1456 | North Rift Zone/deploy transponder 4/NOAA transponder 10.5 / E; responding | ||||||
| SO109/2_51TSP | 51TSP | Transponder | TRANSPO | 46.06478 | -129.97207 | -1493 | North Rift Zone/deploy transponder 5/NOAA transponder 11.5 / G; responding | ||||||
| SO109/2_52CTD | 52CTD | CTD/Rosette | CTD-RO | 46.03817 | -130.01300 | -1637 | North Rift Zone/sample area of diffuse venting/12 bottles fired; background CTD values; weak methane anomaly at depth (max. 40nl/l) | ||||||
| SO109/2_53GKG | 53GKG | Giant box corer | GKG | 46.08333 | -130.16667 | -2807 | basin 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_54CTD | 54CTD | CTD/Rosette | CTD-RO | 46.00000 | -130.01667 | -1544 | crater 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_55GKG | 55GKG | Giant box corer | GKG | 45.76668 | -130.31662 | -2725 | basin 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_56EXPL | 56EXPL | Photo/Video | PV | 46.07968 | -130.01138 | -1780 | 46.04147 | -130.01418 | -1526 | North 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_57CTD | 57CTD | CTD/Rosette | CTD-RO | 46.00317 | -129.93867 | -2280 | Helium Basin/tracer mapping in water column/12 bottles fired; background CTD values; weak methane anomaly at 1450m depth (40nl/l) | ||||||
| SO109/2_58GKG | 58GKG | Giant box corer | GKG | 46.00350 | -129.93845 | -2276 | Helium 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_59CTD | 59CTD | CTD/Rosette | CTD-RO | 45.98550 | -130.02250 | -1573 | CASM/sample area of hydrothermal venting/12 bottles fired; no apparent CTD anomalies; methane anomaly below 1350m (up to 110 nl/l) | ||||||
| SO109/2_60GTV | 60GTVA | Grab_BGR Video A | GTVA | 45.91993 | -129.97233 | -1549 | 45.92007 | -129.97293 | -1553 | South Rift Zone/sampling of hydrothermal spire/ca. 300kg of basaltic material with some Fe-staining; pyrite and pyrrhotite observed in vesicles | |||
| SO109/2_61GTV | 61GTVA | Grab_BGR Video A | GTVA | 45.99070 | -130.02690 | -1481 | 45.98942 | -130.02683 | -1586 | CASM/sample barite spire in CASM field/approx. 300kg of very fresh basaltic material with abundant glass | |||
| SO109/2_62DR | 62DR | Dredge | DRG | 46.39263 | -129.48437 | -2472 | 46.37957 | -129.46185 | -1903 | Rogue 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_63CTD | 63CTD | CTD/Rosette | CTD-RO | 45.91650 | -129.91733 | -1630 | SE of Axial caldera/tracer mapping in water column/12 bottles fired; background CTD values; background methane values (up to 45 nl/l) | ||||||
| SO109/2_64CTD | 64CTD | CTD/Rosette | CTD-RO | 45.93333 | -129.96633 | -1531 | SE 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_65EXPL | 65EXPL | Photo/Video | PV | 46.02177 | -130.01878 | -1598 | 46.06138 | -130.00250 | -1715 | North Rift Zone/explore fissure at North Rift Zone/found several areas of diffuse hydrothermal fluid flow and associated fauna and bacterial mats | |||
| SO109/2_66TSP | 66TSP | Transponder | TRANSPO | 46.06478 | -129.97207 | -1493 | North Rift Zone/release transponder 5/released | ||||||
| SO109/2_67GTV | 67GTVA | Grab_BGR Video A | GTVA | 45.98945 | -130.02462 | -1557 | 45.98923 | -130.02595 | -1585 | CASM/sample barite spire at CASM hydrothermal field/chimney located but grab didnít close | |||
| SO109/2_68TSP | 68TSP | Transponder | TRANSPO | 46.00667 | -130.00733 | -1297 | North Rift Zone/release transponder 1/released | ||||||
| SO109/2_69GTV | 69GTVA | Grab_BGR Video A | GTVA | 45.98907 | -130.02595 | -1559 | 45.98927 | -130.02637 | -1574 | CASM/sample barite spire at CASM hydrothermal field/150kg of basaltic breccia with sulfide lining and anhydrite in cavities; abundant vent fauna | |||
| SO109/2_70GTV | 70GTVA | Grab_BGR Video A | GTVA | 45.98940 | -130.02617 | -1537 | 45.98970 | -130.02628 | CASM/to 1570m (1568m)/sample barite spire at CASM hydrothermal field | ||||
| SO109/2_71CTD | 71CTD | CTD/Rosette | CTD-RO | 45.98350 | -130.04167 | -1492 | NW 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_72CTD | 72CTD | CTD/Rosette | CTD-RO | 45.93383 | -130.04917 | SW 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_73TSP | 73TSP | Transponder | TRANSPO | 45.94153 | -130.00042 | -1333 | ASHES/deploy transponder 6/NOAA transponder 10.0 / D; responding | ||||||
| SO109/2_74TSP | 74TSP | Transponder | TRANSPO | 45.93355 | -129.97922 | -1302 | ASHES/deploy transponder 7/NOAA transponder 8.5 / A; responding | ||||||
| SO109/2_75TSP | 75TSP | Transponder | TRANSPO | 45.92492 | -130.00092 | -1330 | ASHES/deploy transponder 8/NOAA transponder 11.5 / G; responding | ||||||
| SO109/2_76CTD | 76CTD | CTD/Rosette | CTD-RO | 45.93367 | -129.99983 | -1533 | ASHES/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_77EXPL | 77EXPL | Photo/Video | PV | 45.91050 | -129.98900 | -1545 | South Rift Zone/detailed mapping of South Rift Zone/station aborted due to electronic failure | ||||||
| SO109/2_78CTD | 78CTD | CTD/Rosette | CTD-RO | 45.93333 | -130.01387 | -1535 | ASHES/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_79EXPL | 79EXPL | Photo/Video | PV | 45.91093 | -129.98835 | -1541 | 45.95425 | -129.98745 | -1510 | South 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_80CTD | 80CTD | CTD/Rosette | CTD-RO | 45.96950 | -130.01583 | -1560 | inside Axial caldera/sample inside Axial caldera/12 bottles fired; small anomalies in transmission, potential temperature and methane (135nl/l) below 1350m | ||||||
| SO109/2_81GTV | 81GTVA | Grab_BGR Video A | GTVA | 45.93353 | -130.01367 | -1527 | 45.93393 | -130.03127 | -1533 | ASHES 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_82EXPL | 82EXPL | Photo/Video | PV | 45.91962 | -130.00492 | -1521 | 45.94500 | -130.02142 | -1560 | ASHES/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_83CTD | 83CTD | CTD/Rosette | CTD-RO | 45.93268 | -129.98223 | -1512 | Axial 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_84EXPL | 84EXPL | Photo/Video | PV | 46.28568 | -129.71577 | -2200 | 46.30903 | -129.70715 | -2297 | CoAxial 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_85GTV | 85GTVA | Grab_BGR Video A | GTVA | 45.98922 | -130.02598 | -1557 | 45.98933 | -130.02597 | -1560 | CASM/grab barite spire at CASM site/ca. 300kg of very fresh glassy basalt | |||
| SO109/2_86GTV | 86GTVA | Grab_BGR Video A | GTVA | 45.98890 | -130.02670 | -1560 | 45.98970 | -130.02617 | -1570 | CASM/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_87CTD | 87CTD | CTD/Rosette | CTD-RO | 45.96683 | -129.98333 | -1499 | east 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_88CTD | 88CTD | CTD/Rosette | CTD-RO | 45.95833 | -130.04195 | -1437 | west 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_89GTV | 89GTVA | Grab_BGR Video A | GTVA | 45.98887 | -130.02572 | -1566 | CASM/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_90GTV | 90GTVA | Grab_BGR Video A | GTVA | 45.98960 | -130.02600 | CASM// | |||||||
| SO109/2_91CTD | 91CTD | CTD/Rosette | CTD-RO | 45.93387 | -130.01412 | -1531 | ASHES 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_92TSP | 92TSP | Transponder | TRANSPO | 46.01860 | -130.03220 | -1398 | North Rift Zone/release transponder 2/released | ||||||
| SO109/2_93TSP | 93TSP | Transponder | TRANSPO | 46.03545 | -129.99573 | -1448 | North Rift Zone/release transponder 3/released | ||||||
| SO109/2_94TSP | 94TSP | Transponder | TRANSPO | 46.05257 | -130.01885 | -1456 | North Rift Zone/release transponder 4/released | ||||||
| SO109/2_95EXT | 95EXT | Extensometer | EXT | 46.01890 | -130.01410 | North Rift Zone// | |||||||
| SO109/2_96CTD | 96CTD | CTD/Rosette | CTD-RO | 45.90000 | -130.09167 | -1951 | west 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_97GTV | 97GTVA | Grab_BGR Video A | GTVA | 46.30882 | -129.70750 | CoAxial segment Floc site// | |||||||
| SO109/2_98CTD | 98CTD | CTD/Rosette | CTD-RO | 46.30853 | -129.70785 | -2247 | CoAxial 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_99GTV | 99GTVA | Grab_BGR Video A | GTVA | 46.16200 | -129.92067 | -1842 | North Rift Zone/sample youngest flows at this segment of the ridge/single fresh pillow, ca. 300 kg | ||||||
| SO109/2_100EXPL | 100EXPL | Photo/Video | PV | 46.16200 | -129.92067 | -1842 | South 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_101TSP | 101TSP | Transponder | TRANSPO | 45.93185 | -129.97903 | -1306 | ASHES vent field/transponder release and deployment/transponder released (8.5 kHz) and deployed (9.5 kHz) | ||||||
| SO109/2_102CTD | 102CTD | CTD/Rosette | CTD-RO | 45.66695 | -129.78342 | -2538 | East 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_103CTD | 103CTD | CTD/Rosette | CTD-RO | 44.64950 | -125.10000 | -654 | bioherm/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_104TSP | 104TSP | Transponder | TRANSPO | 44.66627 | -125.09962 | -502 | bioherm/deploy Sonartech transponder (11.5 kHz)/deployed, no differential GPS during deployment | ||||||
| SO109/2_105TSP | 105TSP | Transponder | TRANSPO | 44.67762 | -125.12192 | -598 | bioherm/deploy Sonartech transponder (11.5 kHz)/deployed, no differential GPS during deployment | ||||||
| SO109/2_106TSP | 106TSP | Transponder | TRANSPO | 44.67885 | -125.08728 | -572 | bioherm/deploy Sonartech transponder (11.5 kHz)/deployed, no differential GPS during deployment | ||||||
| SO109/2_107TSP | 107TSP | Transponder | TRANSPO | 44.65837 | -125.08453 | -541 | bioherm/deploy Sonartech transponder (11.5 kHz)/deployed, no differential GPS during deployment | ||||||
| SO109/2_108CTD | 108CTD | CTD/Rosette | CTD-RO | 44.67200 | -125.09550 | -601 | bioherm/tracer mapping in water column/12 bottles fired, strong methane peak below 580m (450nl/l CH4) | ||||||
| SO109/2_109GTV | 109GTVA | Grab_BGR Video A | GTVA | 44.67200 | -125.09550 | bioherm//position uncertain | |||||||
| SO109/2_110GTV | 110GTVA | Grab_BGR Video A | GTVA | 44.66583 | -125.09652 | bioherm// | |||||||
| SO109/2_111CTD | 111CTD | CTD/Rosette | CTD-RO | 44.68958 | -125.09592 | -714 | bioherm/tracer mapping in water column/12 bottles fired, moderate methane anomaly of 250nl/l CH4 at 650m depth | ||||||
| SO109/2_112CTD | 112CTD | CTD/Rosette | CTD-RO | 44.65833 | -125.07500 | -827 | bioherm/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_113EXPL | 113EXPL | Photo/Video | PV | 44.65710 | -125.09603 | bioherm// | |||||||
| SO109/2_47TSP | 47TSP | Transponder | TRANSPO | 46.00672 | -130.00733 | -1297 | North Rift Zone/deploy transponder 1/NOAA transponder 8.5 / A; responding | ||||||
| SO109/2_115GTV | 115GTVA | Grab_BGR Video A | GTVA | 44.67297 | -125.10183 | bioherm// | |||||||
| SO109/2_116GTV | 116GTVA | Grab_BGR Video A | GTVA | 44.67235 | -125.10195 | bioherm// | |||||||
| SO109/2_117CTD | 117CTD | CTD/Rosette | CTD-RO | 44.67083 | -125.09000 | -600 | bioherm/tow-jo in SSW direction/12 bottles fired, methane values range from 35 to 100 nl/l | ||||||
| SO109/2_118CTD | 118CTD | CTD/Rosette | CTD-RO | 44.66883 | -125.10900 | -608 | bioherm/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_119GTV | 119GTVA | Grab_BGR Video A | GTVA | 44.67372 | -125.10110 | bioherm// | |||||||
| SO109/2_120CTD | 120CTD | CTD/Rosette | CTD-RO | 44.67417 | -125.10800 | -609 | bioherm/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_122CTD | 122CTD | CTD/Rosette | CTD-RO | 44.66900 | -125.10917 | -606 | bioherm/tracer mapping in water column/12 bottles fired, small methane anomaly between 480m and 520m (900 nl/l) | ||||||
| SO109/2_114CTD | 114CTD | CTD/Rosette | CTD-RO | 44.65867 | -125.09950 | -614 | bioherm/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_48TSP | 48TSP | Transponder | TRANSPO | 46.01860 | -130.03220 | -1398 | North Rift Zone/deploy transponder 2/NOAA transponder 9.5 / C; responding |