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Maka
MGDS_FeatureID lowest in hierarchy:
Activity:
Max Temperature Category:
Latitude:
-15.4217
Longitude:
-174.2850
Location on map:
Ocean:
Region:
National Jurisdiction:
Maximum or Single Reported Depth (mbsl):
1660
Minimum Depth (mbsl):
1560
Tectonic setting:
Full Spreading Rate (mm/a):
107.7
Volcano Number (if applicable):
Host Rock:
NotProvided
Deposit Type:
NotProvided
Notes on Vent Field Description:
southernmost segment, Northeast Lau Spreading Center (NELSC); Maka was discovered in 2008 commercial ROV funded by Teck/Nautilus Minerals; SRK Consulting report for Nautilus Minerals (http://www.nautilusminerals.com/i/pdf/2008NautilusExplorationNI43-101Report.pdf): "The Maka chimney field is on the crest of the NE Lau Spreading Centre and consists of numerous black smokers."; Puipui eruption site (between Maka and Tafu) was observed in 2009 ROV Jason II Dive 416, after eruption plume detected in 2008; Maka is southern summit at 1560 m; Tafu is the shallower, northern summit on this segment; German et al. (2006): Stations RC 142–145 plume site; Merle et al. (2008): vertical cast NELSC, v08c07; Global Volcanism Program groups Tafu, Puipui, and Maka all together as one volcano "Tafu-Maka" 243120; Baker et al. 2019: sites 7 and 8 with spreading rate 36 mm/year (both) in Table 1;
Notes Relevant to Biology:
(http://laueruptions.blogspot.com/2009/05/biological-preview.html): "exploration of the Northeastern Lau Spreading Center (NELSC) has yielded two active vent fields that host foot long tubeworms, mussels, crabs, several species of small snails and shrimp, as well as vent-endemic fish"
Year and How Discovered (if active, visual confirmation is listed first):
2008 commercial ROV; 2004 plume only; 2006 plume and chimney samples
Discovery References (text):
SRK Consulting report for Nautilus Minerals (http://www.nautilusminerals.com/i/pdf/2008NautilusExplorationNI43-101Report.pdf);
(plume only): German, C. et al. (2006) Hydrothermal exploration of the Fonualei Rift and Spreading Center and the Northeast Lau Spreading Center. Geochem. Geophys. Geosyst. 7, 2006GC001324;
(plume and chimney samples) Kim, J. et al. (2009) Venting sites along the Fonualei and Northeast Lau Spreading Centers and evidence of hydrothermal activity at an off-axis caldera in the northeastern Lau Basin. Geochemical Journal 43: 1-13;
Other References (text):
Merle, S., et al. (2008) Northeast Lau Basin, R/V Thompson Expedition TN227, November 13-28, 2008, Apia to Apia, Western Samoa. Cruise report. Accessed 8 May 2015, http://www.pmel.noaa.gov/eoi/laubasin/documents/tn227-nelau-report-final.pdf;
Baker ET, Walker SL, Massoth GJ and Resing JA (2019) The NE Lau Basin: Widespread and Abundant Hydrothermal Venting in the Back-Arc Region Behind a Superfast Subduction Zone. Front. Mar. Sci. 6:382. doi: 10.3389/fmars.2019.00382;
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