Notes on Vent Field Description:
southern spreading center of propagating rift; MacDonald et al. (1988): "characterized by active hydrothermal vents and vent faunal communities at four sites between 20 56' and 20 49'S"
Notes Relevant to Biology:
Year and How Discovered (if active, visual confirmation is listed first):
Discovery References (text):
Macdonald et al., J. Geophys. Res. 93, 2875-2898, 1988, Deep-Tow and Sea Beam Studies of Dueling Propagating Ridges on the East Pacific Rise Near 20 40'S
Other References (text):
Dill et al. (1992) Hydrothermal alteration and mineralisation of basalts from the spreading zone of the East Pacific Rise (7 S-23 S). Geologische Rundschau/ International Journal of Earth Sciences, 81: 717-728.