SWIR, D50B

Name Alias(es):

Vent Sites:

Activity:

active, inferred

Maximum Temperature:

Latitude:

-52.4200

Longitude:

12.7480

Location on map:

Ocean:

Indian

Region:

SWIR

National Jurisdiction:

high seas

Maximum or Single Reported Depth (mbsl):

3913

Minimum Depth (mbsl):

Tectonic setting:

mid-ocean ridge

Full Spreading Rate (mm/a):

13.5

Volcano Number (if applicable):

Host Rock:

NotProvided

Deposit Type:

NotProvided

Notes on Vent Field Description:

Bach et al. (2002): "Twenty-five out of thirty-eight dredge hauls recovered dominantly ultramafic rocks from between 11.5°E and 14.5°E. "

Notes Relevant to Biology:

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

2000-2001 plume and dredge only

Discovery References (text):

Bach et al., 2002, Geochem. Geophys. Geosyst. 3, Discovery of ancient and active hydrothermal systems along the ultra-slow spreading Southwest Indian Ridge 10°-16°E, doi:10.1029/2001GC000279.

Other References (text):

Baker et al., 2004, Geochem. Geophys. Geosyst, 5, Q08002, Hydrothermal venting in magma deserts: The ultraslow-spreading Gakkel and Southwest Indian Ridges, doi:10.1029/2004GC000712.

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