MAR, 27 N

Name Alias(es):

MGDS_FeatureID lowest in hierarchy:

MAR

Vent Sites:

Activity:

active, inferred

Maximum Temperature:

Latitude:

27.0000

Longitude:

-44.5000

Location on map:

Ocean:

N. Atlantic

Region:

N MAR

National Jurisdiction:

high seas

Maximum or Single Reported Depth (mbsl):

2900

Minimum Depth (mbsl):

Tectonic setting:

mid-ocean ridge

Full Spreading Rate (mm/a):

23.4

Volcano Number (if applicable):

Host Rock:

NotProvided

Deposit Type:

NotProvided

Notes on Vent Field Description:

longitude approximate; Murton et al. (1994): "A particulate-rich water mass was observed 250 m above the axial valley floor of the MAR at 27 00'N… No corresponding manganese anomaly was observed."

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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