subduction zones
Thermal impact of magmatism in subduction zones
... It is known that hydrous fluids are released from the subducting slab by de-volatilization reactions [9] and per- colate upward into the mantle wedge. There they reduce the solidus temperature, promote melting, and hence ...
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Numerical modeling of trace element transportation in subduction zones: implications for geofluid processes
... in subduction zones and associated geochemical evidence ...slab subduction and mantle-fluid two-phase flow, as well as phase relations of hydrous phases ...
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Frictional properties of sediments entering the Costa Rica subduction zone offshore the Osa Peninsula: implications for fault slip in shallow subduction zones
... of subduction zones, décollements are likely to initiate within, or shift their positions to, zones of weaker stratigraphic intervals (Underwood ...Rica subduction zone are stable and thus ...
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Earthquake faulting in subduction zones: insights from fault rocks in accretionary prisms
... in subduction zones is poorly ...of subduction earthquakes have greatly improved our understanding of earthquake faulting in subduction ...Trough subduction zone and its on-land analog, ...
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Quartz deposition and its influence on the deformation process of megathrusts in subduction zones
... deposition can also cause very-low-frequency earth- quakes (VLFE) at shallow subduction zones (less than approximately 10-km depths; e.g., Ito and Obara 2006; Obana and Kodaira 2009; Ando et al. 2012; ...
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Dynamics of interplate domain in subduction zones: influence of rheological parameters and subducting plate age
... all subduction zones, the thermal parameter, φ = A lith × v sub × sinθ , is computed using the Submap database (Heuret and Lallemand, 2005; Heuret et ...world-wide subduction rates, v sub , subduct- ...
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Evaluation of strain accumulation in global subduction zones from seismicity data
... with subduction zone properties such as convergence rate, slab age, type of over- riding plate, and fault temperature, in order to understand the limits on earthquake ...in subduction zones and the ...
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Three-dimensional thermal structure of subduction zones: effects of obliquity and curvature
... curved subduction zones ...in subduction zones, strongly suggest that 3-D flow, with a strong along-arc component, may be significant (for recent reviews see Long and Silver, 2008; Long and ...
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11B-rich fluids in subduction zones: the role of antigorite dehydration in subducting slabs and boron isotope heterogeneity in the mantle
... 5 more authors 2014 11B-rich fluids in subduction zones: the role of antigorite dehydration in subducting slabs and boron isotope heterogeneity in the mantle.. Chemical Geology, 376.[r] ...
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Seasonality and Tectonic Influences on Subduction Zones for Ultra Deep Earthquakes
... experiencing subduction more quickly than the rest of the world ...experiencing subduction more quickly, subduction zones are slower compared with the East Pacific’s rise, which is splitting ...
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Fluid metapelite interaction in an ultramafic mélange: implications for mass transfer along the slab mantle interface in subduction zones
... This paper describes bleaching of pelitic schist blocks in an ultramafic mélange intercalated with epidote-blueschist facies schists of the Nishisonogi metamorphic rocks. The bleaching is attributed to infiltration of ...
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An explanation for the age independence of oceanic elastic thickness estimates from flexural profiles at subduction zones, and implications for continental rheology
... a subduction zone show little correlation with the age of the incoming ...through subduction zones, and the levels of noise in bathymetric and gravity data, prevents simple elastic plate modelling ...
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Effect of glacial-interglacial sea-level changes on the displacement and stress field in the forearc and along the plate interface of subduction zones
... Active faulting in subduction zones poses a serious seismic threat to the often densely populated coastal regions. As a consequence, much effort has been put into monitoring the seismicity beneath the ...
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Stress on the seismogenic and deep creep plate interface during the earthquake cycle in subduction zones
... Nankai subduction zone show distinct deformation styles in the co-seismic, post-seismic, and inter-seismic phases associated with the 1946 great ...basic subduction zone geometry, the key observed parameter ...
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The effect of obliquity on temperature in subduction zones: insights from 3-D numerical modeling
... in subduction-related ...in subduction zones varied through time ...Miocene subduction-related metamor- phic rocks from Crete, Greece (Jolivet et ...
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Thermal structure and intermediate-depth seismicity in the Tohoku-Hokkaido subduction zones
... in subduction zones is not well ...well-studied subduction zone below North- ern Japan (Tohoku and Hokkaido) provides an excellent test- ing ground to study the conditions under which intermediate- ...
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Rheology and stress in subduction zones around the aseismic/seismic transition
... A key factor controlling the rheology and response of subduction zones is water. Water is released from hydrated mantle in the subducted plate, the subducted ocean floor, and its sedimentary cover; ...
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Earth’s rotation variability triggers explosive eruptions in subduction zones
... at subduction volcanoes, we propose a conceptual model which takes into account the effects of LOD changes on the crustal stress state in subduction zones ...storage zones and thus to act as ...
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Geophysical assessment of migration and storage conditions of fluids in subduction zones
... in subduction zones are almost systematically interpreted as interconnected fluids, other materials may present high electrical ...to subduction is compared in a synthetic conductivity profile based ...
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Mid-mantle anisotropy in subduction zones and deep water transport.
... above subduction zones, because of the potential for TZ anisotropy to be present beneath the receiver in these locations, as well as the source, which would increase the likelihood that our receiver ...
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