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Logatchev-2
Name Alias(es):
Logatchev 2
MAR, 14 43'N
Логачев 2
MGDS_FeatureID lowest in hierarchy:
Activity:
Maximum Temperature:
320
Latitude:
14.7200
Longitude:
-44.9380
Location on map:
Ocean:
Region:
National Jurisdiction:
Maximum or Single Reported Depth (mbsl):
2760
Minimum Depth (mbsl):
2640
Tectonic setting:
Full Spreading Rate (mm/a):
25.5
Host Rock:
ultramafic-hosted
Deposit Type:
PMS; chalcopyrite, sphalerite, chalcocite
Notes on Vent Field Description:
black smoker field on serpentinized peridotites; 12 km off axis to east; six sulphide mounds a field ca. 550 x 200 m, the larger one is 160 x 80 m size and 12 m high
Notes Relevant to Biology:
Phymorhynchus sp., Vesicomyidae, extensive dead mussels 2007
Year and How Discovered (if active, visual confirmation is listed first):
2007 ROV VICTOR 6000; 1993-1994 TV grab and towed photo system did not confirm activity; 1996-1998 video imaging and sampling did not confirm activity
Discovery References (text):
[Krasnov et al. (1994)]
[Krasnov et al. (1995)]
[Bogdanov et al. (1997)]
[Bortnikov et al. (1997)]
Fouquet et al. (2008) Serpentine cruise - ultramafic hosted hydrothermal deposits on the Mid-Atlantic Ridge: First submersible studies on Ashadze 1 and 2, Logatchev 2 and Krasnov vent fields. InterRidge News 17: 15-19.
Other References (text):
[Akimtsev et al., Translations (Doklady) of the U.S.S.R. Academy of Science: Earth Science Section, 312, 32 -37, 1991]
Cherkashev et al. (2000) New fields with manifestations of hydrothermal activity in the Logatchev area (14ºN, Mid-Atlantic Ridge). InterRidge News 9(2): 26-27.
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