EPR, 22 30'S

MGDS_FeatureID lowest in hierarchy:

EPR

Activity:

active, inferred

Latitude:

-22.5000

Longitude:

-114.3670

Location on map:

Ocean:

S. Pacific

Region:

S EPR

National Jurisdiction:

high seas

Maximum or Single Reported Depth (mbsl):

2600

Tectonic setting:

mid-ocean ridge

Full Spreading Rate (mm/a):

123.3

Volcano Number (if applicable):

Host Rock:

MORB

Deposit Type:

PMS

Notes on Vent Field Description:

GEOMETEP cruises with TV grab included SO 40 in 1985/1986 and SO 62 in 1989; Krasnov et al. (1997) does not show hydrothermal deposits here

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

1985/86 or 1989 TV grab (need to check references to confirm activity)

Discovery References (text):

Dill et al. (1992) Hydrothermal alteration and mineralisation of basalts from the spreading zone of the East Pacific Rise (7 S-23 S). Geologische Rundschau/ International Journal of Earth Sciences, 81: 717-728.

Other References (text):

Krasnov et al., (1997) Morphotectonics, Volcanism and Hydrothermal Activity on the East Pacific Rise between 21º12'S and 22º40'S. Marine Geophysical Researches 19: 287–317.

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