ALVIN Dive Information
Dive Number:
2258
Date:
08/18/90
Cruise:
AII-125
Leg:
11
Chief Scientist:
EMBLEY
Operations Area:
SOUTHERN JUAN DE FUCA RIDGE
Latitude:
44-59.4N
Longitude:
130-17.4W
Pilot:
T. TENGDIN
Observer 1:
ROBERT EMBLEY
Observer 2:
GARY MASSOTH
Launch Time:
1100
Time Submerged:
5:51
Recovery Time:
1651
Bottom Time:
Depth:
2263 meters
Purpose:
GEOLOGY
Sponsor:
NOAA
Data:
Still Images:
2 Reel(s) 35mm color film
Moving Images:
2 8mm video tape(s)
Observed:
Basalt lava, Hi temp vents, Tube worms
Sampled:
ALVIN navigation, Basalt lava, Hi temp vents
FrameGrabber Link:
Remarks:
First discovery of black smoke at megaplume site. SIT camera much improved from previous dim sources (1 of 88); color camera also.