Other
Scientific paper
Dec 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000e%26psl.184..241g&link_type=abstract
Earth and Planetary Science Letters, Volume 184, Issue 1, p. 241-250.
Other
9
Scientific paper
We have identified first evidence for the presence of submarine hydrothermal activity along the East Scotia Ridge an isolated back-arc spreading centre located at 55-60°S in the Atlantic sector of the Southern Ocean. Using a combination of in situ optical light-scattering sensor data, and total dissolvable Mn concentrations, we demonstrate the existence of hydrothermal plumes overlying two segments of this ~500 km ridge-crest; both segments exhibit anomalous topography and at least one segment is also underlain by an axial magma chamber seismic reflector. Future investigation of the fauna that inhabit these remote hydrothermal environments may provide an important `missing link' between the distinct biogeographical provinces delimited from previous investigation of northern Atlantic versus eastern Pacific vent-sites.
Baker Thomas E.
Bruguier N. I.
Connelly Douglas P.
Cunningham A. P.
German Christopher R.
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