MAR, 43 N

Name Alias(es):

MGDS_FeatureID lowest in hierarchy:

MAR

Vent Sites:

Activity:

active, inferred

Maximum Temperature:

Latitude:

43.0000

Longitude:

-29.0000

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):

22.8

Volcano Number (if applicable):

Host Rock:

NotProvided

Deposit Type:

NotProvided

Notes on Vent Field Description:

lat, lon, and depth are approximate (added ~100m to plume observation); Hydes et al. (1986): "In the deeper water, anomalously high concentrations of Mn were present (1.9nM at 3279 m) and these are attributed to hydrothermal activity"

Notes Relevant to Biology:

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

1986 or earlier plume only

Discovery References (text):

[(plume only) D J Hydes, et al., A vertical profile of dissolved trace metals (Al, Cd, Mn, Ni) over the median valley of the Mid Atlantic Ridge, 43 N: lmplications for hydrothermal activity, Sci Total Environ 49, 133-145, 1986.]

Other References (text):

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