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New hydrothermal activity and alkalic volcanism in the backarc Coriolis Troughs, Vanuatu

McConachy, Timothy F; Arculus, Richard; Yeats, Christopher; Binns, Raymond; Barriga, Fernando; McInness, Brent; Sestak, Stephen; Sharpe, Robina; Rakau, Brooks; Tevi, Tony

Description

The Vanuatu Australia Vents Expedition (VAVE) to the Coriolis Troughs in southern Vanuatu during September 2001 aboard the RV Franklin discovered a new hydrothermall vent field-herein informally named Nifonea-and recent alkallic volcanic activity. The Nifonea field in the central Vate Trough was located by coincident light transmission and CH4 anomalies in a hydrothermal plume of ∼60 km2 extent, best developed between 1600 and 1750 m depth at ∼150 m above the seafloor. Extensive hydrothermal...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
URI: http://hdl.handle.net/1885/79254
Source: Geology
DOI: 10.1130/G20870.1

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