ALVIN Dive Information

Dive Number:2625Date:06/27/93
Chief Scientist:VAN DOVER/JANNASCHOperations Area:MID-ATLANTIC RIDGE - Broken Spur
Latitude:29-10.1NLongitude: 43-10.3W
Pilot:R. GrieveObserver 1:Bramley Murton
Observer 2:Cindy Van Dover
Launch Time:0813Time Submerged:7:44
Time on Surface:1557Bottom Time:
Depth:3085 metersPurpose:BIOLOGY
Sponsor:NSFData: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 2623-25Moving Images:3 Hi8 video tape(s)
Observed:Anemones, Bacterial mats, Basalt lava, Hi temp vents, Inactive vent deposits, Lo temp vents, Midwater organisms, Mussels, Non-vent fish, Other worms, Sea stars, Soft sediment, Vent fish, Other(NO)Sampled:ALVIN navigation, Bacterial mats, Hi temp vents, Inactive vent deposits, Mussels, Other worms, Short baseline nav
FrameGrabber Link:
Remarks:Hydrothermal field of yang(?), old and extinct sulphide structures. Vent field extends for several hundreds of metres along east and (mainly) west side of axial summit caldera.