You are here

Si'iSi'i

Name Alias(es): 
Si'i Si'i
Tahi Moana 6
plume 5, VFR
MGDS_FeatureID lowest in hierarchy: 
Vent Sites: 
Maximum Temperature: 
Max Temperature Category: 
Latitude: 
-22.2900
Longitude: 
-176.6290
Location on map: 
Ocean: 
Region: 
National Jurisdiction: 
Maximum or Single Reported Depth (mbsl): 
1950
Minimum Depth (mbsl): 
1900
Tectonic setting: 
Full Spreading Rate (mm/a): 
45.0
Volcano Number (if applicable): 
Host Rock: 
NotProvided
Deposit Type: 
NotProvided
Notes on Vent Field Description: 
Tahi Moana 6 site of Nautilus Minerals; SRK Consulting report for Nautilus Minerals for Tahi Moana 6 (http://www.nautilusminerals.com/i/pdf/2008NautilusExplorationNI43-101Report.pdf): "The chimneys are up to 6 m high and some are venting grey smoke; there are also numerous vents of shimmering water."
Notes Relevant to Biology: 
Year and How Discovered (if active, visual confirmation is listed first): 
2008 commercial ROV; 2003 plume only
Discovery References (text): 
SRK Consulting report for Nautilus Minerals (http://www.nautilusminerals.com/i/pdf/2008NautilusExplorationNI43-101Report.pdf)
Nautilus Minerals press release Feb. 2009 (http://www.nautilusminerals.com/s/Media-NewsReleases.asp?ReportID=338585&_Type=News-Releases&_Title=Exploration-Success-Continues-for-Nautilus-Minerals-in-Tonga)
(plume only) Baker, E.T. et al. (2005) Hydrothermal activity on near-arc sections of back-arc ridges: results from the Mariana Trough and Lau Basin. Geochem. Geophys. Geosyst. 6: Q09001, doi:10.1029/2005GC000948.
Other References (text): 
(deposits sampled just north of this position) [Von stackelberg et al., Bundesanstalt Geowissenschaften Rohstoffe Circular 2, 3-14, 1985]