2018
DOI: 10.14379/iodp.proc.366.2018
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Mariana Convergent Margin and South Chamorro Seamount

Abstract: Geologic processes at convergent plate margins control geochemical cycling, seismicity, and deep biosphere activity in subduction zones and suprasubduction zone lithosphere. International Ocean Discovery Program Expedition 366 was designed to address the nature of these processes in the shallow to intermediate depth of the Mariana subduction channel. Although no technology is available to permit direct sampling of the subduction channel of an intraoceanic convergent margin at depths up to 19 km, the Mariana fo… Show more

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Cited by 19 publications
(24 citation statements)
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“…1). They are formed by the eruption of mud flows consisting of unconsolidated serpentinite mud and containing variably serpentinized ultramafic clasts, as well as minor amounts of recycled Pacific plate and of Philippine Sea plate materials (Fryer, 2012;Fryer et al, 2018;Maekawa et al, 1993;Pabst et al, 2011). The serpentinite muds are derived from the forearc mantle where slab derived fluids interact with ultramafic lithologies and are buoyantly transported to the seafloor (Fryer, 2012 and reference therein).…”
Section: Geological Settingmentioning
confidence: 99%
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“…1). They are formed by the eruption of mud flows consisting of unconsolidated serpentinite mud and containing variably serpentinized ultramafic clasts, as well as minor amounts of recycled Pacific plate and of Philippine Sea plate materials (Fryer, 2012;Fryer et al, 2018;Maekawa et al, 1993;Pabst et al, 2011). The serpentinite muds are derived from the forearc mantle where slab derived fluids interact with ultramafic lithologies and are buoyantly transported to the seafloor (Fryer, 2012 and reference therein).…”
Section: Geological Settingmentioning
confidence: 99%
“…It lies at 15°43′N latitude and 147°11′E longitude ( Fig. 1), at about 13 km above the subducting slab (Fryer et al, 2018;Hulme et al, 2010;Oakley, 2008). Previous studies estimated the temperature of the slab/ mantle interface below Yinazao at about 80°C (Hulme et al, 2010;Oakley, 2008).…”
Section: Geological Settingmentioning
confidence: 99%
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