EPR, 23 50'S

Name Alias(es):

23-50 South

MGDS_FeatureID lowest in hierarchy:

EPR

Vent Sites:

Activity:

active, confirmed

Maximum Temperature:

Max Temperature Category:

Low

Latitude:

-23.8233

Longitude:

-115.4558

Location on map:

Ocean:

S. Pacific

Region:

S EPR

National Jurisdiction:

high seas

Maximum or Single Reported Depth (mbsl):

2650

Minimum Depth (mbsl):

Tectonic setting:

mid-ocean ridge

Full Spreading Rate (mm/a):

102.6

Volcano Number (if applicable):

Host Rock:

NotProvided

Deposit Type:

NotProvided

Notes on Vent Field Description:

Alvin dive 4097 log " large extinct sulphide chimney, diffuse flow in cracks near sampled tubeworms; lots of crinoids, anemones & fish "; http://www.mbari.org/expeditions/EasterMicroplate/index.htm: "Previous surveys by a towed TV camera suggested the presence of dead mussels shells and extinct sulfides"

Notes Relevant to Biology:

Alvin dive 4097 log includes "Anemones, Bacterial mats, Clams, Crabs, Mussels, Non-vent fish, Other worms, Sea cucumbers, Sea stars, Snails/Limpets, Sponges, Tube worms, Vent fish, crinoid"

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

2005 submersible Alvin; 1990 or earlier towed TV camera did not confirm activity

Discovery References (text):

NEED CITATION.

Other References (text):

RDF link:

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