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Beebe

Name Alias(es): 
Piccard
Location
Latitude: 
18.5448
Longitude: 
-81.7195
Ocean: 
National Jurisdiction: 
Depth (m)
Maximum or Single Reported Depth: 
4960
Tectonic setting: 
Full Spreading Rate (mm/a): 
16.9
Host Rock: 
basalt-hosted
Deposit Type: 
NotProvided
Taxonomy upgrade extras: 
Notes on Vent Field Description: 
Currently the world's deepest known hydrothermal vent field. "The BVF consists of a sulphide mound 80 m in diameter and 50 m high, surmounted with several actively venting sulphide chimneys. An area of weathered sulphide rubble extends for a further 800 m to the east of the active mound." (Connelly et al., 2012) Water column plume signal detected in November 2009 and its putative seafloor source called "Piccard" in German et al. (2010); however, as the convention is for naming vent fields after visual confirmation, the vent field was named "Beebe" when it was located on the seafloor and sampled in April 2010 (Connelly et al., 2010 & 2012).
Notes Relevant to Biology: 
Aggregations of Rimicaris hybisae (more than 2,000 individuals m-2) on vent chimneys, and around crevices issuing visible diffuse flow in the central region of the mound, along with high abundances of anemones (more than 20 individuals m-2) and extensive mats of filamentous microbes on the surfaces of mound sulphides. Occasional macrourid fish in the vent field, and solitary galatheid squat lobsters on the peripheral talus slope of the mound (Connelly et al., 2012).
Year and How Discovered (if active, visual confirmation is listed first): 
April 2010 (Autosub6000 AUV and HyBIS TVG; 2009 plume only
References
Discovery References (text): 
Connelly D.P. et al. (2012) Hydrothermal vent fields and chemosynthetic biota on the world's deepest seafloor spreading centre. Nature Communications 3, No. 620, doi: 10.1038/ncomms1636 http://www.nature.com/ncomms/journal/v3/n1/full/ncomms1636.html
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.P. 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
Murton, B.J. et al. (2010). Hydrothermal vents at 5000m on the Mid-Cayman Rise: the deepest and hottest hydrothermal systems yet discovered! American Geophysical Union, Fall Meeting 2010, abstract #OS33F-05
http://www.oases-expedition.blogspot.com/ http://www.thesearethevoyages.net/jc44 http://www.oases2012.blogspot.com/