ALVIN Dive Information

Dive Number:4181Date:05/17/06
Chief Scientist:Fisher/RobertsOperations Area:Atwater Valley 340
Pilot:M. SpearObserver 1:Harry Roberts
Observer 2:Guy Telesnicki
Launch Time:13:02Time Submerged:8:13
Time on Surface:21:15Bottom Time:5:34
Depth:2201 metersPurpose:Biology
Still Images:2 rolls hand-held pictures Moving Images:6 DVcam tape(s)
Observed:Anemones, Bacterial mats, Carbonates, Cold seep, Inactive vent deposits, Lo temp vents, Mussels, Snails/Limpets, Tube worms, Vent fishSampled:Inactive vent deposits, Mussels
FrameGrabber Link:
Remarks:Large area of seepage, hydrocarbons and brine. Large areas of hard substrate with cemented myssel shells, chemosynthetic communities, large brine vent