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CLSC, CL_8
Name Alias(es):
MGDS_FeatureID lowest in hierarchy:
Vent Sites:
Activity:
Maximum Temperature:
Latitude:
-18.0500
Longitude:
-176.3333
Location on map:
Ocean:
Region:
National Jurisdiction:
Maximum or Single Reported Depth (mbsl):
2250
Minimum Depth (mbsl):
Tectonic setting:
Full Spreading Rate (mm/a):
83.9
Host Rock:
NotProvided
Deposit Type:
NotProvided
Notes on Vent Field Description:
depth approximate; approx. position from Fig.3, targets generated by cruise SS02/2009 (http://www.marine.csiro.au/nationalfacility/voyagedocs/2009/MNF-SS2-09_sum.pdf): "CTD tow line CL2_TY_1 along a parallel ridge to the CLSC. Two excellent plumes were found on this tow. Both are coincident strong NTU and Eh responses. The first (CL_7) is on the south flank of an elongated mound where there is a distinct flattening of slope. The second plume (CL_8) occurs about 10km to the north."; dredge did not recover sulfides
Notes Relevant to Biology:
Year and How Discovered (if active, visual confirmation is listed first):
2009 plume only
Discovery References (text):
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)
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):
RDF link: