MAR, 30 N

Name Alias(es):

MGDS_FeatureID lowest in hierarchy:

MAR

Vent Sites:

Activity:

active, inferred

Maximum Temperature:

Latitude:

30.0333

Longitude:

-42.5000

Location on map:

Ocean:

N. Atlantic

Region:

N MAR

National Jurisdiction:

high seas

Maximum or Single Reported Depth (mbsl):

3400

Minimum Depth (mbsl):

Tectonic setting:

mid-ocean ridge

Full Spreading Rate (mm/a):

22.6

Volcano Number (if applicable):

Host Rock:

NotProvided

Deposit Type:

NotProvided

Notes on Vent Field Description:

longitude and depth approximate; Murton et al. (1994): "The anomalies at 30 02'N occurred in the lowermost 1500 m of the water column, in the nodal deep basin at the western ridge-transform intersection of the Atlantis Fracture Zone. These were limited to manganese enrichments, but without corresponding particulates;"

Notes Relevant to Biology:

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

1993 plume only

Discovery References (text):

(plume only) B.J. Murton et al., (1994) Direct evidence for the Distribution and Occurrence of Hydrothermal Activity Between 27 and 30 degrees north on the Mid-Atlantic Ridge, Earth Planet. Sci. Lett. 125, pp. 119–128.

Other References (text):

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