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Tonga Arc, Volcano C

Name Alias(es): 
Target C
MGDS_FeatureID lowest in hierarchy: 
Vent Sites: 
Activity: 
Maximum Temperature: 
Latitude: 
-20.1800
Longitude: 
-175.2000
Location on map: 
Ocean: 
Region: 
National Jurisdiction: 
Maximum or Single Reported Depth (mbsl): 
1050
Minimum Depth (mbsl): 
830
Tectonic setting: 
Full Spreading Rate (mm/a): 
Volcano Number (if applicable): 
Host Rock: 
NotProvided
Deposit Type: 
NotProvided
Notes on Vent Field Description: 
cruise report SS11/2004 does not suggest hydrothermal activity: "A hydrocast (NH-03) in the deepest part (1050m) of the northern caldera detected no hydrothermal plume activity but was sampled for shipboard pH and laboratory analysis of dissolved metals.", "A hydrocast (NH-04) in the deepest part (830m) of the southern caldera revealed no evidence of a hydrothermal plume." (http://www.marine.csiro.au/nationalfacility/voyagedocs/2004/Summary_SS11-2004.pdf)
Notes Relevant to Biology: 
Year and How Discovered (if active, visual confirmation is listed first): 
2004 SS11/2004 cruise did not detect hydrothermal activity
Discovery References (text): 
NEED CITATION
Other References (text): 
Arculus "Arc-backarc systems of northern Kermadec-Tonga" (http://www.crownminerals.govt.nz/cms/pdf-library/minerals/conferences-1/045_papers_44.pdf)