ALVIN Dive Information
Dive Number:
2789
Date:
07/02/94
Cruise:
AII-131
Leg:
16
Chief Scientist:
EMBLEY/TREFRY
Operations Area:
JUAN DE FUCA RIDGE - Coaxial Eruption
Latitude:
46-18.23N
Longitude:
129-42.10W
Pilot:
P. HICKEY
Observer 1:
SOCRATES CARELO
Observer 2:
BILL CHADWICK
Launch Time:
0810
Time Submerged:
6:54
Recovery Time:
1504
Bottom Time:
Depth:
2299 meters
Purpose:
GEOLOGY/CHEMISTRY
Sponsor:
NOAA
Data:
1 CD-ROM Incl. Dives 2196-2197, 2331-2799, data transferred from 3.5" diskette(s)
Still Images:
1 Reel(s) 35mm color film Incl. Dives 2789-90
Moving Images:
6 Hi8 video tape(s)
Observed:
Anemones, Bacterial mats, Basalt lava, Inactive vent deposits, Lo temp vents, Midwater organisms, Non-vent fish, Other worms, Sea cucumbers, Sea stars, Sponges, Tube worms
Sampled:
ALVIN navigation, Lo temp vents
FrameGrabber Link:
Remarks:
Mesotech sonar survey. Recovered McDuff seafloor camera. Traversed area of dike intrusion in June/July 1993. Area visited by Alvin in Oct. 1993. Extensive low-T venting along fracture system. Extensive bacterial mats. Tube worms arrived since Oct. 1993.