Hydrocarbon seepage and its sources at mud volcanoes of the Kumano forearc basin, Nankai Trough subduction zone

Hydrocarbon seepage and its sources at mud volcanoes of the Kumano forearc basin, Nankai Trough subduction zone

Abstract Twelve submarine mud volcanoes (MV) in the Kumano forearc basin within the Nankai Trough subduction zone were investigated for hydrocarbon origins and fluid dynamics. Gas hydrates diagnostic for methane concentrations exceeding solubilities were recovered from MVs 2, 4, 5, and 10. Molecular...

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Bibliographic Details
Main Authors: Thomas Pape, Patrizia Geprägs, Sebastian Hammerschmidt, Paul Wintersteller, Jiangong Wei, Timo Fleischmann, Gerhard Bohrmann, Achim J. Kopf
Format: Article
Language:English
Published: Wiley 2014-06-01
Series:Geochemistry, Geophysics, Geosystems
Subjects:
mud volcano
gas hydrate
Nankai accretionary prism
Kumano forearc basin
thermogenic hydrocarbons
seismic activity
Online Access:https://doi.org/10.1002/2013GC005057
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https://doi.org/10.1002/2013GC005057

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