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MAR, 4 02'S
Name Alias(es):
MGDS_FeatureID lowest in hierarchy:
Vent Sites:
Activity:
Maximum Temperature:
Latitude:
-4.0333
Longitude:
-12.2500
Location on map:
Ocean:
Region:
National Jurisdiction:
Maximum or Single Reported Depth (mbsl):
4000
Minimum Depth (mbsl):
Tectonic setting:
Full Spreading Rate (mm/a):
32.3
Host Rock:
Deposit Type:
Notes on Vent Field Description:
depth is approximate; German et al. (2008): "situated in a non-transform discontinuity (NTD) between two adjacent second-order ridge-segments near 4°02′S, distant from any neovolcanic activity. This geologic setting is very similar to that of the ultramafic-hosted and tectonically-controlled Rainbow vent-site on the northern Mid-AtlanticRidge."
Notes Relevant to Biology:
Year and How Discovered (if active, visual confirmation is listed first):
2005 plume only
Discovery References (text):
German, C.R., S.A. Bennett, D.P. Connelly, A.J. Evans, B.J. Murton, L.M. Parson, R.D. Prien, E. Ramirez-Llodra, M. Jakuba, T.M. Shank, D.R. Yoerger, E.T. Baker, S.L. Walker, and K. Nakamura (2008): Hydrothermal activity on the southern Mid-Atlantic Ridge: Tectonically- and volcanically-controlled venting at 4–5°S. Earth Planet. Sci. Lett., 273(3–4), doi: 10.1016/j.epsl.2008.06.048, 332-344.
Other References (text):
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