Results 1 to 10 of about 2,652 (262)

Plume‐Induced Subduction Initiation: Single‐Slab or Multi‐Slab Subduction? [PDF]

open access: yesGeochemistry, Geophysics, Geosystems, 2020
Initiation of subduction following the impingement of a hot buoyant mantle plume is one of the few scenarios that allow breaking the lithosphere and recycling a stagnant lid without requiring any preexisting weak zones.
Marzieh Baes   +3 more
doaj   +10 more sources

Subduction initiation triggered the Caribbean large igneous province [PDF]

open access: yesNature Communications, 2023
Using a large-scale 3D geodynamic model, the authors show how the transfer of subduction zone from the Pacific to the Atlantic triggered the formation of a mantle plume at the origin of the Cretaceous Caribbean Large Igneous province.
Nicolas Riel   +6 more
doaj   +5 more sources

Differentiating induced versus spontaneous subduction initiation using thermomechanical models and metamorphic soles [PDF]

open access: yesNature Communications, 2021
The mechanism of subduction initiation is a key to modern plate tectonics. Here, using numerical modeling and geological observations, the authors find that the majority of active and paleo subduction zones with metamorphic soles likely formed during ...
Xin Zhou, Ikuko Wada
doaj   +2 more sources

Reply to ‘Evidence for simple volcanic rifting not complex subduction initiation in the Laxmi Basin’ [PDF]

open access: yesNature Communications, 2020
Recently, Pandey et al. proposed relict subduction initiation occurred along a passive margin in the northwest Indian Ocean, however, Clift et al. questioned their evidence for subduction initiation, suggesting that simpler rifting-related processes ...
Dhananjai K. Pandey   +2 more
doaj   +2 more sources

Rapid subduction initiation and magmatism in the Western Pacific driven by internal vertical forces [PDF]

open access: yesNature Communications, 2020
The magmatic progression produced during the initiation of the Izu-Bonin-Marianas subduction zone took place rapidly over 1 million years, but it has been unclear why.
B. Maunder   +3 more
doaj   +2 more sources

Natural observations of subduction initiation: Implications for the geodynamic evolution of the Paleo-Asian Ocean

open access: yesGeosystems and Geoenvironment, 2022
Initiation of new subduction zones is an integral part of Earth's plate tectonics regime. It is generally accepted that the negative buoyancy of sufficiently old oceanic lithosphere provides the primary driving force for subduction initiation.
Gaoxue Yang   +6 more
doaj   +3 more sources

Evidence for simple volcanic rifting not complex subduction initiation in the Laxmi Basin [PDF]

open access: yesNature Communications, 2020
Recently, Pandey et al proposed relict subduction initiation occurred along a passive margin in the northwest Indian Ocean. Here, Clift et al question the evidence for subduction initiation, suggesting that simpler rifting-related processes can more ...
Peter D. Clift   +2 more
doaj   +2 more sources

The location of compression-induced subduction initiation controlled by structural versus thermal inheritance [PDF]

open access: yesCommunications Earth & Environment
Subduction initiation is a pivotal process in the Wilson cycle, yet its mechanisms remain elusive. Using 3D coupled thermo-mechanical and surface processes models, we investigated how the duration of the plate motion reversal from rifting to plate ...
Éva Oravecz   +2 more
doaj   +2 more sources

Hot versus cold subduction initiation. [PDF]

open access: yesNatl Sci Rev
Initiation of a new subduction zone could act in two different ways, forming either a hot or cold incipient subduction channel with contrasting geological records.
Li ZH.
europepmc   +3 more sources

Boron isotopes in boninites document rapid changes in slab inputs during subduction initiation [PDF]

open access: yesNature Communications, 2022
The geochemical record of subduction initiation is still not well understood, despite >50 years of study. Here, the authors use boron isotopes in Izu-Bonin boninites to document rapid changes in slab inputs to melting at the start of subduction, related ...
Hong-Yan Li   +4 more
doaj   +2 more sources

Home - About - Disclaimer - Privacy