EPR, Ridge 3, 20 40'S

MGDS_FeatureID lowest in hierarchy:

18S-22S

Activity:

active, confirmed

Max Temperature Category:

NotProvided

Latitude:

-20.3333

Longitude:

-113.6792

Location on map:

Ocean:

S. Pacific

Region:

S EPR

National Jurisdiction:

high seas

Maximum or Single Reported Depth (mbsl):

3050

Tectonic setting:

mid-ocean ridge

Full Spreading Rate (mm/a):

148.3

Volcano Number (if applicable):

Host Rock:

NotProvided

Deposit Type:

NotProvided

Notes on Vent Field Description:

northern spreading center of propagating rift; MacDonald et al. (1988): "Between 20 S and 20 30'S there are at least nine active hydrothermal fields"

Notes Relevant to Biology:

NotProvided

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

1983 Deep Tow camera

Discovery References (text):

Macdonald et al., J. Geophys. Res. 93, 2875-2898, 1988, Deep-Tow and Sea Beam Studies of Dueling Propagating Ridges on the East Pacific Rise Near 20 40'S.

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EPR, Ridge 3, 20 40'S