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Rapa Nui

Name Alias(es): 
21 33'S, EPR
MGDS_FeatureID lowest in hierarchy: 
Vent Sites: 
Brandon
Feathers
Krasnov
Gromit
Maximum Temperature: 
405
Latitude: 
-21.5620
Longitude: 
-114.3000
Location on map: 
Ocean: 
Region: 
National Jurisdiction: 
Maximum or Single Reported Depth (mbsl): 
2845
Minimum Depth (mbsl): 
2838
Tectonic setting: 
Full Spreading Rate (mm/a): 
148.7
Volcano Number (if applicable): 
Host Rock: 
MORB
Deposit Type: 
NotProvided
Notes on Vent Field Description: 
Von Damm et al. (2003): "(287 bar and 405°C) place the Brandon fluids very close to the critical point of seawater "
Notes Relevant to Biology: 
Alvin dive 3335 log includes "Anemones, Bacterial mats, Crabs, Other worms, Shrimp, Vent fish"; 2004 BIOSPEEDO cruise noted shrimp at Brandon, alvinellids at Krasnov, mussels at Gromit
Year and How Discovered (if active, visual confirmation is listed first): 
1999 submersible Alvin; 1987-1988 deposits only
Discovery References (text): 
(deposits only) Krasnov et al., (1997) Morphotectonics, Volcanism and Hydrothermal Activity on the East Pacific Rise between 21º12'S and 22º40'S. Marine Geophysical Researches 19: 287–317
Von Damm et al., Earth Plant. Sci. Lett., 206, 365-378, 2003, Extraordinary phase separation and segregation in vent fluids from the southern East Pacific Rise.
Other References (text): 
Jollivet, D. et al. (2004) The BIOSPEEDO cruise: a new survey of hydrothermal vents along the South East Pacific Rise from 7 24'S to 21 33'S. InterRidge News 13: 20-26.