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Solwara 11
Name Alias(es):
MGDS_FeatureID lowest in hierarchy:
Vent Sites:
Activity:
Maximum Temperature:
Max Temperature Category:
Latitude:
-3.1667
Longitude:
147.1917
Location on map:
Ocean:
Region:
National Jurisdiction:
Maximum or Single Reported Depth (mbsl):
1500
Minimum Depth (mbsl):
1300
Tectonic setting:
Full Spreading Rate (mm/a):
121.7
Host Rock:
NotProvided
Deposit Type:
PMS
Notes on Vent Field Description:
Willaumez Rise, western spreading rifts, Manus Basin; Solwara 11 Project of Nautilus Minerals; Nautilus Minerals press release: "Chimney fields are largely inactive except one where hot water was observed." (http://www.nautilusminerals.com/s/Media-NewsReleases.asp?ReportID=331702); example where academic scientists did not find vents, but commercial group eventually did (first examined 1992 Japanese - only found inactive; French MANAUTE cruise 2000 with Nautile - only found inactive); note: this is close to the location reported by Auzende et al. (2000) and listed by S. Petersen as "Mata na Kul, Vat na Ingiet, Mata na Taru"; Massoth et al. (2008) AGU Abstract: "During June 2008 we conducted a systematic reconnaissance for hydrothermal venting along 1540 km of back-arc features located throughout the Manus back-arc basin. Using real-time plume mapping protocols to discern anomalies in light scattering, temperature, and oxidation-reduction potential, we detected ~45 venting sites, ~34 of which are believed new. Subsequent seafloor reconnaissance by ROV has located massive sulfides coincident to several plumes."
Notes Relevant to Biology:
Year and How Discovered (if active, visual confirmation is listed first):
2008 commercial ROV; 2000 submersible Nautile did not confirm activity
Discovery References (text):
Nautilus Minerals press release (2008)
(plumes and unspecified sites observed with ROV): Massoth, G. et al. (2008) Regional Venting in the Manus Basin, New Britain Back Arc. AGU Fall Meeting Abstract V41B-2074.
(inactive only) Auzende et al. (2000) The eastern and western tips of Manus Basin (Papua, New Guinea) explored by submersible MANAUTE cruise. Comptes Rendus de l'Academie des Sciences Series IIA Earth and Planetary Science, Volume 331, Number 2, pp. 119-126.
Other References (text):
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