Silica-rich spinel harzburgite residues formed by fractional hybridization-melting of the intra-oceanic supra-subduction zone mantle: New evidence from TUBAF seamount peridotites
Sign Up to like & getrecommendations! Published in 2021 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2020.11.001
Abstract: Abstract Recent studies of serpentine-free, spinel peridotite xenoliths from the mantle lithosphere beneath the active Kamchatka and West Bismarck arcs have shown that these rocks are enriched in silica and highly depleted in incompatible elements… read more here.
Keywords: mantle; subduction; tubaf; intra oceanic ... See more keywords
Infant intra-oceanic arc magmatism due to initial subduction induced by oceanic plateau accretion: A case study of the Bangong Meso-Tethys, central Tibet, western China
Sign Up to like & getrecommendations! Published in 2020 at "Gondwana Research"
DOI: 10.1016/j.gr.2019.08.008
Abstract: Abstract The Meso-Tethyan oceanic plateaus are becoming conspicuous as giant units on the oceanic floor and have played important roles in both continental marginal orogenesis and Tethys oceanic evolution. In this study, we present mineralogical,… read more here.
Keywords: plateau; meso; oceanic plateau; oceanic arc ... See more keywords
Evidence for an intra-oceanic affinity of the serpentinized peridotites from the Mt. Pollino ophiolites (Southern Ligurian Tethys): Insights into the peculiar tectonic evolution of the Southern Apennines
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DOI: 10.1016/j.lithos.2017.04.019
Abstract: Abstract A detailed petrochemical investigation of the peridotites from the Mt. Pollino area (Basilicata, Southern Italy) allowed to provide the first comprehensive reconstruction of the evolution and geodynamic setting of ophiolitic mantle from the Southern… read more here.
Keywords: ligurian tethys; evolution; peridotites pollino; evolution southern ... See more keywords
Generation of Jurassic high-Mg diorite and plagiogranite intrusions of the Asa area, Tibet: Products of intra-oceanic subduction of the Meso-Tethys Ocean
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DOI: 10.1016/j.lithos.2020.105481
Abstract: Abstract Intra-oceanic subduction is a fundamental process on Earth, the study of which can improve understanding of plate tectonic processes and the history of continental growth. Several studies of the intra-oceanic subduction of the Meso-Tethys… read more here.
Keywords: meso tethys; oceanic subduction; tethys ocean; high diorite ... See more keywords
Intra-oceanic arc growth driven by magmatic and tectonic processes recorded in the Neoproterozoic Bougmane arc complex (Anti-Atlas, Morocco)
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DOI: 10.1016/j.precamres.2017.10.022
Abstract: Abstract The Bougmane complex forms a Neoproterozoic tectonic unit located south of the Bou Azzer ophiolite in the Moroccan Anti-Atlas orogen. We show here that it corresponds to the lower crustal section of a Neoproterozoic… read more here.
Keywords: bougmane; arc; hornblende gabbro; oceanic arc ... See more keywords
Survived and disappeared intra-oceanic arcs of the Paleo-Asian Ocean: evidence from Kazakhstan
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DOI: 10.1093/nsr/nwac215
Abstract: ABSTRACT This paper reviews published and presents new data on U-Pb detrital zircon ages, and petrographic, geochemical and isotope (Sm-Nd, Lu-Hf) compositions obtained from greywacke sandstones of Kazakhstan in order to reconstruct fossil intra-oceanic arcs… read more here.
Keywords: asian ocean; kazakhstan; paleo asian; intra oceanic ... See more keywords