ALVIN Dive Information

Dive Number:4525Date:06/25/09
Chief Scientist:HoldenOperations Area:Main Endeavour Field, JdF
Pilot:M. SpearObserver 1:John Jameison
Observer 2:Keith Grochow
Launch Time:22:08Time Submerged:4:58
Time on Surface:03:06Bottom Time:2:31
Depth:2194 metersPurpose:Geochemistry
Still Images:2 SD cards Moving Images:4 DVcam tape(s)
Observed:Bacterial mats, Basalt lava, Hi temp vents, Inactive vent deposits, Lo temp vents, Other worms, Snails/Limpets, Soft sediment, Tube worms, Vent fishSampled:ALVIN navigation, Hi temp vents, Inactive vent deposits
FrameGrabber Link:
Remarks:High-T mearurements and fluid samples from Bastille and Dante. Collected an active and extinct sulfide from Dante. Flow-meter measurement from Dante. (Alvin navigation is LBL)