EPR, 21 20'S

Name Alias(es):

MGDS_FeatureID lowest in hierarchy:

18S-22S

Vent Sites:

Activity:

active, inferred

Maximum Temperature:

Latitude:

-21.3670

Longitude:

-114.2570

Location on map:

Ocean:

S. Pacific

Region:

S EPR

National Jurisdiction:

high seas

Maximum or Single Reported Depth (mbsl):

2900

Minimum Depth (mbsl):

Tectonic setting:

mid-ocean ridge

Full Spreading Rate (mm/a):

148.7

Volcano Number (if applicable):

Host Rock:

NotProvided

Deposit Type:

NotProvided

Notes on Vent Field Description:

Notes Relevant to Biology:

Year and How Discovered (if active, visual confirmation is listed first):

1981 plume only; 1987-1988 deposits only

Discovery References (text):

(plume only) Klinkhammer and Hudson, Earth Planet. Sci. Lett. 79, 241-249, 1986, Dispersal patterns for hydrothermal plumes in the South Pacific using manganese as a tracer, doi:10.1016/0012-821X(86)90182-2

(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.

Other References (text):

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