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EPR, 5 S
Name Alias(es):
MGDS_FeatureID lowest in hierarchy:
Vent Sites:
Activity:
Maximum Temperature:
Latitude:
-5.0000
Longitude:
-106.4000
Location on map:
Ocean:
Region:
National Jurisdiction:
Maximum or Single Reported Depth (mbsl):
2650
Minimum Depth (mbsl):
Tectonic setting:
Full Spreading Rate (mm/a):
133.3
Host Rock:
NotProvided
Deposit Type:
NotProvided
Notes on Vent Field Description:
Lupton et al. (1999): "Dive targets at 5.0 S, ... were new sites which were visited by ALVIN for the first time in 1998/99. The selection of these new sites was based on camera tows conducted in the 1980's (Holler) and also by water column plume surveys conducted in 1993 and 1998. Although single exploratory dives at 5.0 S, ... failed to detect any hydrothermal venting, ..."; Alvin Dive 3319 log includes "Inactive vent deposits"
Notes Relevant to Biology:
Alvin Dive 3319 log includes "Anemones, Non-vent fish, Other worms, Sea cucumbers, Sea stars, Sponges, Vent fish"
Year and How Discovered (if active, visual confirmation is listed first):
1980's camera tows; 1993 and 1998 plume only; 1998 submersible Alvin did not confirm activity
Discovery References (text):
[Holler (1993) Erscheinungsformen hydrothermaler Aktivität am Ostpazifischen Rücken zwischen 6° und 30° Süd. University of Göltingen. Verlag Shaker, 226 pp. [German dissertation].]
Other References (text):
Lupton, J., et al., Gas chemistry of hydrothermal fluids along the East Pacific Rise, 5°S to 32°S, Eos Trans. AGU, 80(46) Fall Meet. Suppl., F1099, 1999.
RDF link: