A Giant Impact Origin for the First Subduction on Earth
Geophysical Research LettersHadean zircons provide a potential record of Earth's earliest subduction 4.3 billion years ago. It remains enigmatic how subduction could be initiated so soon after the presumably Moon‐forming giant impact (MGI).
Qian Yuan +3 more
doaj +1 more source
A new subduction initiation mechanism induced by lateral subduction propagation
Earth and Planetary Science LettersLateral subduction propagation is common in natural subduction zones, but its impact on side plates remains enigmatic. This study utilises scaled analogue models to investigate the behaviour of an ocean-ocean plate boundary subduction system, focusing on the effects of asymmetric lateral subduction propagation along a weak zone.
Chunyang Wang +5 more
openaire +1 more source
From subduction to collision in the northern Tibetan plateau : evidence from the early Silurian clastic rocks, northwestern China [PDF]
, 2012 The Qilian Orogen records early Paleozoic collisional suturing of the Qaidam Block and the Central Qilian Block to the North China Craton. The composition and U-Pb age of detrital zircons and the composition of Cr-spinels from the Early Silurian ...
Jianghai Yang +7 more
core +1 more source
Frontiers in Earth ScienceSubduction zones constitute a fundamental element of plate tectonic theory, with the initial subduction phase representing a critical but poorly constrained transitional stage in the development of mature subduction systems. Using CiteSpace and VOSviewer
Yongqiang Zhang, Nan Jiang, Kexin Liu
doaj +1 more source
Subduction initiation in mid-ocean induced by mantle suction flow [PDF]
, 2018 Pre-existing weakness zones in the lithosphere such as transform faults/fracture zones and extinct mid-oceanic ridges have been suggested to facilitate subduction initiation in an intra-oceanic environment.
Quinteros, Javier +2 more
core +1 more source
Subduction initiation without a prescribed weak zone: What’s gonnahappen? [PDF]
, 2017 International audienceSubduction initiation is one of the main unclear aspect of plate tectonics. When studying subduction processes,subduction initiation is therefore generally avoided as it constitutes a problem in itself.
Duretz, Thibault, Yamato, Philippe
core
Origin of Philippine Sea Basins During Subduction Initiation in the Western Pacific
Geochemistry, Geophysics, GeosystemsUnderstanding the age and dynamics of the overriding plates allows an assessment of competing subduction initiation hypotheses. The Izu‐Bonin‐Mariana margin in the Western Pacific is a key example of initiation and hence it is important to constrain the ...
Osamu Ishizuka +16 more
doaj +1 more source
Building a Continental‐Scale Geodetic Network: The Plate Boundary Observatory (PBO)
Perspectives of Earth and Space Scientists, Volume 7, Issue 1, December 2026.Abstract The Plate Boundary Observatory (PBO) transformed the use of geodesy in North America to study crustal deformation and plate boundary processes by establishing a continental‐scale, standardized, open‐access geodetic network. Built and operated by UNAVCO between 2003 and 2018 as part of the National Science Foundation (NSF)‐funded EarthScope ...
Emily E. Zawacki +5 more
wiley +1 more source
Lateral propagation-induced subduction initiation at passive continental margins controlled by preexisting lithospheric weakness. [PDF]
Sci Adv, 2020 Zhou X, Li ZH, Gerya TV, Stern RJ.
europepmc +1 more source
Composition and Provenance of Victoria Group Sandstones in Southern North Victoria Land, Antarctica
New Zealand Journal of Geology and Geophysics, Volume 69, Issue 3, September 2026.Three distinct source areas contributed to sandstones of the Victoria Group within the Transantarctic Basin in southern North Victoria Land. During the Permian, quartzose sandstones were derived from erosion of the local Ross Orogen, likely from an uplifted swell in the area of today's Ross Sea, the Ross High.
Martin Elsner +6 more
wiley +1 more source