You are here
Pito Seamount
Name Alias(es):
22 58'S, EPR
MGDS_FeatureID lowest in hierarchy:
Vent Sites:
Activity:
Maximum Temperature:
Max Temperature Category:
Latitude:
-23.3275
Longitude:
-111.6402
Location on map:
Ocean:
Region:
National Jurisdiction:
Maximum or Single Reported Depth (mbsl):
2270
Minimum Depth (mbsl):
Tectonic setting:
Full Spreading Rate (mm/a):
37.6
Host Rock:
MORB, E-MORB
Deposit Type:
PMS, sulfide deposit with black smokers
Notes on Vent Field Description:
northeast Easter Microplate; vigorous black smoker near summit; Petersen lists as off-axis seamount; listed as 22 58'S, EPR on Fig. 1 in Hannington et al. (2005); old InterRidge vents database "sulfide deposit with black smokers (not described)", "MOR (seamount at tip of propagating rift)"; http://www.mbari.org/expeditions/EasterMicroplate/index.htm
Notes Relevant to Biology:
alvinellid, bythograeid, bythitid fish, alvinocaridid shrimp, no vestimentiferan tubeworms observed
Year and How Discovered (if active, visual confirmation is listed first):
1993 submersible Nautile
Discovery References (text):
[Francheteau, J. et al ., 1994. Black smoker discovered, Pito Seamount near Easter microplate propagator tip, EOS, Trans. Am. Geophys. Un., 75, 322.]
Other References (text):
Verati et al. (1999) Pb isotope study of black-smokers and basalts from Pito Seamount site (Easter microplate). Chemical Geology 155: 45-63
Naar et al. (2004) Vigorous venting and biology at Pito Seamount, Easter Microplate. In German et al., eds., Mid-ocean ridges: Hydrothermal interactions between the lithosphere and oceans. Geophysical Monograph 148, American Geophysical Union, 305-318.
RDF link: