Gakkel Ridge, Site 2

Name Alias(es):

MGDS_FeatureID lowest in hierarchy:

GakkelRidge

Vent Sites:

Activity:

active, inferred

Maximum Temperature:

Latitude:

83.8500

Longitude:

-2.0000

Location on map:

Ocean:

Arctic

Region:

Gakkel Ridge

National Jurisdiction:

Denmark : Greenland

Maximum or Single Reported Depth (mbsl):

3900

Minimum Depth (mbsl):

Tectonic setting:

mid-ocean ridge

Full Spreading Rate (mm/a):

12.7

Volcano Number (if applicable):

Host Rock:

NotProvided

Deposit Type:

NotProvided

Notes on Vent Field Description:

located at W. Volcanic Zone; note: Pedersen lists at 28 W; listed as Site 2, 1°45′W, in Baker et al. (2004)

Notes Relevant to Biology:

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

2001 plume only

Discovery References (text):

(Plume only) Edmonds, H.N. et al. (2003) Discovery of abundant hydrothermal venting on the ultraslow-spreading Gakkel ridge in the Arctic Ocean. Nature 421: 252-256.

Other References (text):

Michael et al. (2001) Results of the Arctic Mid-Ocean Ridge Expedition - AMORE 2001- Seafloor Spreading at the Top of the World. InterRidge News 10(2): 57-60

Michael, P.J. et al. (2003) Magmatic and amagmatic seafloor generation at the ultraslow-spreading Gakkel ridge, Arctic Ocean. Nature 423: 956-961

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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