ALVIN Dive Information

Dive Number:2581Date:04/28/93
Cruise:AII-129Leg:05
Chief Scientist:VON HERZEN/RONAOperations Area:MID-ATLANTIC RIDGE - Tag Site
Latitude:26-08.2NLongitude: 44-49.5W
Pilot:P. HickeyObserver 1:Peter Rona
Observer 2:Rachel Mills
Launch Time:0817Time Submerged:7:30
Time on Surface:1547Bottom Time:
Depth:3690 metersPurpose:GEOPHYSICS
Sponsor:NSF/NOAAData:1 CD-ROM Incl. Dives 2196-2197, 2331-2799, data transferred from 3.5" diskette(s)
Still Images:2 Reel(s) 35mm color film Incl. Dives 2581-82Moving Images:2 Hi8 video tape(s)
Observed:Anemones, Bacterial mats, Basalt lava, Hi temp vents, Inactive vent deposits, Lo temp vents, Non-vent fish, Shrimp, Vent fishSampled:ALVIN navigation, Basalt lava, Hi temp vents, Inactive vent deposits, Lo temp vents, Soft sediment
FrameGrabber Link:
Remarks:Dive focused on sampling of water(hi-E, low-T), hydrothermal precipitates and sediment of active sulfide mound at TAG hydrothermal tield, MAR -26degreeN, 45degree W.