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Walsh

Activity: 
Latitude: 
17.8333
Longitude: 
-81.8333
Location on map: 
Ocean: 
National Jurisdiction: 
Maximum or Single Reported Depth (mbsl): 
4000
Tectonic setting: 
Full Spreading Rate (mm/a): 
16.9
Volcano Number (if applicable): 
Host Rock: 
NotProvided
Deposit Type: 
NotProvided
Notes on Vent Field Description: 
German et al. (2010): "deep (∼3800 m) hydrothermal plume signals were detected at the very southern end of the MCR"; Connelly et al. (2010) did not locate with CTD, Autosub6000, or ROTV HyBIS; cruise FK008 (OASES 2013) report: "Returning to the “Walsh” area in the SW Mid Cayman Rise we then conducted a further series of 4 final CTD stations (CTD 17-21...) by which time we had both narrowed down the source of the weak hydrothermal venting signals to within ≤1km associated with an oceanic core complex close to 17°50’S, 81°50’W"
Year and How Discovered (if active, visual confirmation is listed first): 
2009 plume only; 2013 plume only
Discovery References (text): 
German, C. et al. (2010) Diverse styles of submarine venting on the ultra-slow spreading Mid-Cayman Rise. Proceedings of the National Academy of Sciences, Vol. 107 No. 32 August 2010, doi: 10.1073/pnas.1009205107, http://www.pnas.org/content/107/32/14020.full.pdf+html
Other References (text): 
Connelly, D., et al. (2010) New hydrothermal vents located on the Mid-Cayman Spreading Centre: Cruise RRS James Cook 44, March-April 2010. InterRidge News 19: 23-25
cruise FK008 (OASES 2013) report, http://www.schmidtocean.org/files/2013_cruise_report.pdf, accessed 10 June 2015.