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Characteristics of High Saturation Hydrate Reservoirs in the Low-Angle Subduction Area of the Makran Accretionary Prism

open access: yesFrontiers in Earth Science, 2022
To delineate the spatial distribution of high saturation gas hydrate reservoirs in the low-angle subduction areas of the Makran Accretionary Prism, we conducted seismic data interpretation and impedance inversion of gas hydrates in the Makran ...
Qingfang Zhao   +2 more
exaly   +4 more sources

Continuous depth profile of the rock strength in the Nankai accretionary prism based on drilling performance parameters. [PDF]

open access: yesSci Rep, 2018
A new method for evaluating the in situ rock strength beneath the seafloor is proposed and applied to the Nankai Trough accretionary prism. The depth-continuous in situ rock strength is a critical parameter for numerous studies in earth science ...
Hamada Y   +7 more
europepmc   +4 more sources

Viscous Accretionary Prisms: Viscoelastic Relaxation of the Makran Accretionary Prism Following the 2013 Baluchistan, Pakistan Earthquake [PDF]

open access: yesJournal of Geophysical Research: Solid Earth, 2018
AbstractGeodetic observations of postseismic transients following earthquakes commonly help to inform the rheology of the lower crust and mantle, frictional properties of faults, and the kinematics of deformation across the earthquake cycle. Here we use interferometric synthetic aperture radar time series observations of postseismic deformation ...
Katherine E Peterson   +2 more
exaly   +3 more sources

The Potential for CH4 Production by Syntrophic Microbial Communities in Diverse Deep Aquifers Associated with an Accretionary Prism and its Overlying Sedimentary Layers. [PDF]

open access: yesMicrobes Environ, 2020
Accretionary prisms are thick masses of sedimentary material scraped from the oceanic crust and piled up at convergent plate boundaries found across large regions of the world.
Matsushita M   +4 more
europepmc   +2 more sources

Mechanical Weakness of the Nankai Accretionary Prism: Insights From Vp Measurements of Drill Cuttings

open access: yesGeochemistry, Geophysics, Geosystems, 2021
The relationship between P‐wave velocity (Vp) and unconfined compressive strength (C0) can be used to estimate in situ rock strength and stresses at depth in subduction zones.
M. Kitamura, T. Hirose, X. Lei
doaj   +2 more sources

Diapir structure and its constraint on gas hydrate accumulation in the Makran accretionary prism, offshore Pakistan

open access: yesChina Geology, 2020
: The Makran accretionary prism is located at the junction of the Eurasian Plate, Arabian Plate and Indian Plate and is rich in natural gas hydrate (NGH) resources.
Zhen Zhang   +9 more
doaj   +2 more sources

Exhuming an Accretionary Prism: A Case Study of the Kodiak Accretionary Complex, Alaska, USA

open access: yesTectonics, 2023
AbstractWe have carried a structural study across Kodiak accretionary complex in Alaska, USA, in order to describe its thermal structure and decipher the processes of exhumation. The accretionary complex consists of a stack of tectonic mélanges and coherent units. Mélanges are characterized by simple shear deformation with a pervasive network of top‐to‐
Rajič, Kristijan   +6 more
openaire   +5 more sources

Accretionary prism collapse: a new hypothesis on the source of the 1771 giant tsunami in the Ryukyu Arc, SW Japan. [PDF]

open access: yesSci Rep, 2018
The giant 1771 Yaeyama tsunami occurred in the southwestern part of the Ryukyu Arc, a region on an obliquely subducting plate boundary, which shows no direct evidence of inter-plate coupling.
Okamura Y   +3 more
europepmc   +2 more sources

Geochemical and Microbiological Evidence for Microbial Methane Production in Deep Aquifers of the Cretaceous Accretionary Prism. [PDF]

open access: yesMicrobes Environ, 2018
Accretionary prisms are thick layers of sedimentary material piled up at convergent plate boundaries. Large amounts of anaerobic groundwater and methane (CH4) are contained in the deep aquifers associated with accretionary prisms.
Matsushita M   +4 more
europepmc   +2 more sources

Tectonostratigraphy of the Jurassic accretionary prisms in the Sikhote-Alin region of Russian Far East [PDF]

open access: yesScientific Reports, 2021
We propose a scheme to subdivide the Samarka terrane, a Jurassic accretionary prism fragment, into tectonostratigraphic complexes. This subdivision provides a basis to study these formations and map them on a medium- to large-scale.
Vladimir V. Golozubov   +1 more
doaj   +2 more sources

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