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Focused fluid flow through the gas-hydrate stability zone on the Vestnesa Ridge, offshore W-svalbard
(Master thesis; Mastergradsoppgave, 2014-07-17)
Abstract: Numerous unburied seafloor pockmarks are related to current methane-leakage at Vestnesa Ridge (~79° N), west of Svalbard. About 50 km long and 1-3 km wide, Vestnesa Ridge is a 1-2 km thick sediment drift to the north of the active Molloy transform – on the eastern spreading segment. With its crest at 1200-1300 m depth, the ridge is located on young (<19.6 Ma) oceanic crust. The entire ...