ALVIN Dive Information

Dive Number:2440Date:09/01/91
Chief Scientist:EMBLEYOperations Area:JUAN DE FUCA RIDGE
Pilot:C. Van DoverObserver 1:John Trefry
Observer 2:Daniel Dion
Launch Time:0756Time Submerged:7:49
Time on Surface:1545Bottom Time:
Depth:2250 metersPurpose:GEOCHEMISTRY
Sponsor: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 Moving Images:3 8mm video tape(s)
Observed:Bacterial mats, Basalt lava, Hi temp vents, Inactive vent deposits, Lo temp vents, Tube worms, Vent fish, Other(plumes above vent)Sampled:ALVIN navigation, CTD records, Temperature records, Other(GO)
FrameGrabber Link:
Remarks:Samples and data collected frombouyant plume above monolith vent. Plume rose sharply and was rich in particles to 50 meters above the vent.