FRSC, 11a-3

Name Alias(es):

MGDS_FeatureID lowest in hierarchy:

Lau

Vent Sites:

Activity:

active, inferred

Latitude:

-16.7950

Longitude:

-174.5230

Location on map:

Ocean:

S. Pacific

Region:

Lau Basin

National Jurisdiction:

Tonga

Maximum or Single Reported Depth (mbsl):

2000

Minimum Depth (mbsl):

1800

Tectonic setting:

back-arc spreading center

Full Spreading Rate (mm/a):

72.3

Volcano Number (if applicable):

Host Rock:

NotProvided

Deposit Type:

NotProvided

Notes on Vent Field Description:

Baker et al. 2019: site 26 with spreading rate 20 mm/year in Table 1;

Notes Relevant to Biology:

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

2008 plume only

Discovery References (text):

[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):

Baker ET, Walker SL, Massoth GJ and Resing JA (2019) The NE Lau Basin: Widespread and Abundant Hydrothermal Venting in the Back-Arc Region Behind a Superfast Subduction Zone. Front. Mar. Sci. 6:382. doi: 10.3389/fmars.2019.00382;

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