central Manus Basin, Bismarck Sea

Name Alias(es):

MGDS_FeatureID lowest in hierarchy:

ManusRidge

Vent Sites:

Activity:

inactive

Maximum Temperature:

Latitude:

-3.4199

Longitude:

150.1681

Location on map:

Ocean:

S. Pacific

Region:

Manus Basin

National Jurisdiction:

Papua New Guinea

Maximum or Single Reported Depth (mbsl):

2500

Minimum Depth (mbsl):

Tectonic setting:

back-arc spreading center

Full Spreading Rate (mm/a):

39.2

Volcano Number (if applicable):

Host Rock:

MORB, minor BABB

Deposit Type:

PMS, polymetallic massive sulfides

Notes on Vent Field Description:

inactive sulfide deposits, Fe oxide gossans, low-temperature Fe oxide and silica chimneys, and Fe-Mn crusts (up to 150 m explored dimensions); this location is off-axis to the east

Notes Relevant to Biology:

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

NotProvided

Discovery References (text):

[(abstract says active and inactive explored by submersible Mir) Lisitsyn et al., A HYDROTHERMAL FIELD IN THE RIFT ZONE OF THE MANUS BASIN, BISMARCK SEA, International Geology Review, 35, 105-126, 1993]

Other References (text):

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