FRSC, Central

Name Alias(es):

Central Fonualei plume region

DR59

MGDS_FeatureID lowest in hierarchy:

Lau

Activity:

active, inferred

Latitude:

-16.4917

Longitude:

-174.5417

Location on map:

Ocean:

S. Pacific

Region:

Lau Basin

National Jurisdiction:

Tonga

Maximum or Single Reported Depth (mbsl):

2419

Minimum Depth (mbsl):

2300

Tectonic setting:

back-arc spreading center

Full Spreading Rate (mm/a):

79.7

Volcano Number (if applicable):

Host Rock:

NotProvided

Deposit Type:

NotProvided

Notes on Vent Field Description:

plume site on Fonualei Rift and Spreading Center; Baker et al. 2019: site 21 with spreading rate 23 mm/year in Table 1;

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

2004 plume only

Discovery References (text):

(plume only) German, C. et al. (2006) Hydrothermal exploration of the Fonualei Rift and Spreading Center and the Northeast Lau Spreading Center. Geochem. Geophys. Geosyst. 7, 2006GC001324.

Other References (text):

cruise SS02/2009 summary (http://www.marine.csiro.au/nationalfacility/voyagedocs/2009/MNF-SS2-09_sum.pdf)

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;

RDF link:

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