Station 4, Triple Junction
Notes on Vent Field Description:
on Central Spreading Ridge; about 500 x 800m; active and fossil chimneys on top of several mounds, clear low-temperature fluids; 1995 deep tow video (EXPLOS) had temperature anomaly and gastropods indicating hydrothermally active; Corner Mound and Yogi Mound prospects of Nautilus Minerals
Notes Relevant to Biology:
abundant suspension feeders such as crinoids, gorgonians, sponges
Year and How Discovered (if active, visual confirmation is listed first):
1995 deep tow video and TV-grab
Discovery References (text):
P Halbach et al., HYFIFLUX Cruise: German-French cooperation for the study of hydrothermalism and related tectonism, magmatism and biology of the active ridges of the North Fiji Basin (SW Pacific) InterRidge News, 4(1), 37-43, 1995.
Other References (text):
Halbach et al., InterRidge News 8(1), 38-44, 1999, Diffuse hydrothermal fluid activity, biological communities, and mineral formation in the North Fiji Basin (SW Pacific): Preliminary results of the R/V Sonne cruise SO-134
Koschinsky, A. et al. (2002) Geochemistry of diffuse low-temperature hydrothermal fluids in the North Fiji basin. Geochim Cosmochim Acta 66: 1409-1427
T. Kuhn et al. (2003) Enrichment of Mo in hydrothermal Mn precipitates: possible Mo sources, formation process and phase associations. Chem Geo 199(1-2): 29-43.