Subduction initiation as recorded in the izu-bonin-mariana forearc
IODP Expedition 352 drilled four sites in the Bonin outer forearc, providing a detailed record
of lava eruption and dike emplacement during a short-lived (< 2 Ma) seafloor spreading …
of lava eruption and dike emplacement during a short-lived (< 2 Ma) seafloor spreading …
[HTML][HTML] Tectono-magmatic evolution of the Philippine Sea Plate: A review
Q Yan, X Shi, L Yuan, S Yan, Z Liu - Geosystems and Geoenvironment, 2022 - Elsevier
Abstract The West Pacific Margin incorporates 75% of global marginal basins/back-arc
basins. These basins and their adjacent trenches and island arcs constitute a huge trench …
basins. These basins and their adjacent trenches and island arcs constitute a huge trench …
Molybdenum isotopes unmask slab dehydration and melting beneath the Mariana arc
How serpentinites in the forearc mantle and subducted lithosphere become involved in
enriching the subarc mantle source of arc magmas is controversial. Here we report …
enriching the subarc mantle source of arc magmas is controversial. Here we report …
Northwest Pacific-Izanagi plate tectonics since Cretaceous times from western Pacific mantle structure
Abstract Northwest Pacific-Izanagi subduction histories along Eurasia are poorly
constrained due to extensive subduction, which partially consumed the western Pacific plate …
constrained due to extensive subduction, which partially consumed the western Pacific plate …
Magmatic response to subduction initiation, Part II: boninites and related rocks of the Izu‐Bonin Arc from IODP Expedition 352
Abstract International Ocean Discovery Program Expedition 352 to the Izu‐Bonin forearc
cored over 800 m of basement comprising boninite and boninite‐series lavas. This is the …
cored over 800 m of basement comprising boninite and boninite‐series lavas. This is the …
[HTML][HTML] The petrogenesis of modern and ophiolitic lavas reconsidered: Ti-V and Nb-Th
JW Shervais - Geoscience Frontiers, 2022 - Elsevier
Tectonic discrimination diagrams are a key tool for understanding ancient volcanic rock
origins. In this contribution we compile over 15,000 whole rock compositions to re-evaluate …
origins. In this contribution we compile over 15,000 whole rock compositions to re-evaluate …
Rapid subduction initiation and magmatism in the Western Pacific driven by internal vertical forces
Plate tectonics requires the formation of plate boundaries. Particularly important is the
enigmatic initiation of subduction: the sliding of one plate below the other, and the primary …
enigmatic initiation of subduction: the sliding of one plate below the other, and the primary …
The tempo of back-arc basin evolution: Insights from the early Paleozoic Proto-Tethyan North Qilian orogenic belt, northeastern Tibet
Back-arc basins are pivotal sites for the generation and consumption of oceanic lithosphere
in mature intra-oceanic convergent plate margins. However, the processes and mechanisms …
in mature intra-oceanic convergent plate margins. However, the processes and mechanisms …
Slab dehydration and potassium-lithium recycling in the forearc indicated by potassium and lithium isotope compositions of exhumed metabasites
Slab dehydration at subduction zones has broad implications for arc magmatism, mantle
heterogeneity and elemental cycling. We present the petrography, mineral chemistry and …
heterogeneity and elemental cycling. We present the petrography, mineral chemistry and …
Geochemical evolution of arc and slab following subduction initiation: a record from the Bonin Islands, Japan
O Ishizuka, RN Taylor, S Umino… - Journal of …, 2020 - academic.oup.com
Volcanism following the initiation of subduction is vital to our understanding of this specific
magma-generation environment. This setting is represented by the first development of the …
magma-generation environment. This setting is represented by the first development of the …