EPR, 23 30'S

Name Alias(es):

23 S, EPR

23-30 South

MGDS_FeatureID lowest in hierarchy:

Vent Sites:

Needles

Activity:

Maximum Temperature:

297

Latitude:

-23.5333

Longitude:

-115.5667

Location on map:

Ocean:

Region:

National Jurisdiction:

Maximum or Single Reported Depth (mbsl):

2600

Minimum Depth (mbsl):

Tectonic setting:

Full Spreading Rate (mm/a):

109.0

Volcano Number (if applicable):

Host Rock:

MORB

Deposit Type:

PMS, polymetallic sulfides

Notes on Vent Field Description:

small vent fields with active sulfide deposits in the axial rift; http://www.mbari.org/expeditions/EasterMicroplate/index.htm

Notes Relevant to Biology:

Alvin dive 4095 log includes "Anemones, Bacterial mats, Non-vent fish, Sea cucumbers, Snails/Limpets, Urchins, Vent fish"

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

1987 or earlier [need to check Marchig & Gundlach (1987)]; 2005 submersible Alvin

Discovery References (text):

[Marchig & Gundlach Bundesanstalt fuer Geowissenschaften Rohstoffe Circular, 4, 3-22, 1987.]

Other References (text):

RDF link:

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