ALVIN Dive Information

Dive Number:	2812	Date:	08/08/94
Cruise:	AII-131	Leg:	18
Chief Scientist:	KADKO/TIVEY/BECKER	Operations Area:	JUAN DE FUCA RIDGE - Cleft Segment
Latitude:	44-59.39N	Longitude:	130-12.11W
Pilot:	R. WILLIAMS	Observer 1:	VIRGINIA SMITH
		Observer 2:	DAVID KADKO
Launch Time:	0812	Time Submerged:	7:33
Recovery Time:	1545	Bottom Time:
Depth:	2252 meters	Purpose:	GEOLOGY
Sponsor:	NSF	Data:	1 CD-ROM Incl. Dives 2800-2950, data transferred from 3.5" diskettes
Still Images:	2 Reel(s) 35mm color film Incl. Dives 2808-12	Moving Images:	6 Hi8 video tape(s)
Observed:	Anemones, Bacterial mats, Hi temp vents, Inactive vent deposits, Lo temp vents, Midwater organisms, Mussels, Non-vent fish, Other worms, Sea cucumbers, Sea stars, Snails/Limpets, Tube worms, Urchins, Vent fish	Sampled:	Hi temp vents, Inactive vent deposits, Lo temp vents, Other worms, Tube worms, Actnav(used tempprota & Hobo)

FrameGrabber Link:
Remarks:	Monolithient sites on edge of fissure with a scarp on the west side. The sulfide mound under monolith rises out of basalt, the vent rises out of this mound. Monolith vent is small 10-m - 12m long and 5m wide.