Chile Rise, Segment N9A

Name Alias(es):

Vent Sites:

Activity:

active, inferred

Maximum Temperature:

Latitude:

-39.0500

Longitude:

-91.5833

Location on map:

Ocean:

S. Pacific

Region:

Chile Rise

National Jurisdiction:

high seas

Maximum or Single Reported Depth (mbsl):

3450

Minimum Depth (mbsl):

Tectonic setting:

mid-ocean ridge

Full Spreading Rate (mm/a):

57.0

Volcano Number (if applicable):

Host Rock:

NotProvided

Deposit Type:

NotProvided

Notes on Vent Field Description:

northern Chile Rise; Water column temperature and nephelometer anomalies from MAPR on dredge; note: Karsten et al. (1999) calculate plume incidence for the Chile Rise to be between 13% to 76% from 37 S to 43 S

Notes Relevant to Biology:

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

1998 plume only

Discovery References (text):

(Plume only) Karsten et al., InterRidge News, 8(1), 15-21, 1999, The northern Chile Ridge revealed: Preliminary cruise report of PANORAMA Expedition Leg 04.

Other References (text):

RDF link:

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Chile Rise, Segment N9A