ALVIN Dive Information

Dive Number:4243Date:09/08/06
Chief Scientist:KelleyOperations Area:Juan de Fuca - Endeavor
Pilot:M. SpearObserver 1:Brian Marquardt
Observer 2:Helen White
Launch Time:14:58Time Submerged:8:49
Time on Surface:23:47Bottom Time:6:17
Depth:2196 metersPurpose:Geochemistry
Still Images:2 compact flash hand-held pictures Moving Images:6 DVcam tape(s)
1 non-Alvin video tape
Observed:Anemones, Bacterial mats, Basalt lava, Bedforms, Hi temp vents, Inactive vent deposits, Lo temp vents, Midwater organisms, Non-vent fish, Other worms, Sea cucumbers, Sea stars, Snails/Limpets, Soft sediment, Tube worms, Vent fish, XenophyophoresSampled:ALVIN navigation, Hi temp vents, Lo temp vents, Magnetometer records, Short baseline nav
FrameGrabber Link:
Remarks:Performed gas tight and major pair, water and gas sampling of numerous sites. Deployed and sampled various diffuse and high temp vents by Raman spectroscopy