N-ELSC, plume 27

Name Alias(es):

ELSC1

MGDS_FeatureID lowest in hierarchy:

N-ELSC

Vent Sites:

Activity:

active, inferred

Maximum Temperature:

Latitude:

-19.7500

Longitude:

-176.0190

Location on map:

Ocean:

S. Pacific

Region:

Lau Basin

National Jurisdiction:

Tonga

Maximum or Single Reported Depth (mbsl):

2570

Minimum Depth (mbsl):

Tectonic setting:

back-arc spreading center

Full Spreading Rate (mm/a):

89.3

Volcano Number (if applicable):

Host Rock:

NotProvided

Deposit Type:

NotProvided

Notes on Vent Field Description:

approx. position from Fig.2, targets generated by cruise SS02/2009 (http://www.marine.csiro.au/nationalfacility/voyagedocs/2009/MNF-SS2-09_sum.pdf)

Notes Relevant to Biology:

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

2004 plume only; 2009 plume only

Discovery References (text):

(plume only) Baker et al., GEOPHYSICAL RESEARCH LETTERS, 33, L07308, doi:10.1029/2005GL025283, 2006, Abundant hydrothermal venting along melt-rich and melt-free ridge segments in the Lau back-arc basin

(plume only) Cruise SS02/2009: Hydrothermal plume and structural geology mapping in the Tonga/Fiji region (http://www.marine.csiro.au/nationalfacility/voyagedocs/2009/MNF-SS2-09_sum.pdf)

(plume only) Crowhurst et al. (2009) Discovery of new hydrothermal venting sites in the Lau Basin, Tonga Back-Arc. AGU Fall Meeting abstract #OS13A-1180.

Other References (text):

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