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EPR, 13 N, Marginal High

Name Alias(es): 
MGDS_FeatureID lowest in hierarchy: 
Vent Sites: 
Maximum Temperature: 
Location on map: 
National Jurisdiction: 
Maximum or Single Reported Depth (mbsl): 
Minimum Depth (mbsl): 
Tectonic setting: 
Full Spreading Rate (mm/a): 
Volcano Number (if applicable): 
Host Rock: 
Deposit Type: 
Notes on Vent Field Description: 
Fouquet et al. (1988): "Warm water diffusing through a chimney was observed near the top on the western side of the deposit."; 2003 submersible Alvin dive #3940: "Very large massive sulfide deposit with late stage hydrothermal venting up to 260 degrees C"
Notes Relevant to Biology: 
Alvin dive 3940 log includes "Tube worms, Other worms, Bacterial mats, Vent fish, Anemones, Sea cucumbers, Urchins, Sea stars, Sponges, Xenophyophores, Non-vent fish, Hi temp vents, Lo temp vents, Inactive vent deposits, Basalt lava"
Year and How Discovered (if active, visual confirmation is listed first): 
1984 submersible Cyana; 1981 towed camera, dredging, and plume did not confirm activity
Discovery References (text): 
Y Fouquet et al., Mar. Geol., 84, 145-178, 1988, Geological setting and mineralogical and geochemical investigations on sulfide deposits near 13 N on the East Pacific Rise
(did not confirm activity) Hekinian, R. et al. (1983) East Pacific Rise near 13 N: geology of new hydrothermal fields. Science 219: 1321-1324.
Other References (text):