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Showing 1-20 of 4,796 results
  1. Si- versus Mg-metasomatism at the crust–mantle interface: insights from experiments, natural observations and geochemical modeling

    The slab–mantle interface in subduction zones is one of the geological boundaries with the most significant chemical potential gradients, which leads...

    Atsushi Okamoto, Ryosuke Oyanagi in Progress in Earth and Planetary Science
    Article Open access 18 July 2023
  2. Metasomatism at a metapelite–ultramafic rock contact at the subduction interface: Insights into mass transfer and fluid flow at the mantle wedge corner

    Metasomatism of the subducting slab and mantle wedge influences the rheological and chemical properties of rocks at the subduction zone interface. We...

    Ryosuke Oyanagi, Masaoki Uno, Atsushi Okamoto in Contributions to Mineralogy and Petrology
    Article 14 April 2023
  3. A geochemical perspective on the genesis of Cenozoic basic volcanism in northeastern Turkey: an overview of metasomatism and heterogeneity of the sub-continental lithospheric mantle in a post-collisional setting

    The post-collisional Cenozoic basic volcanic rocks in NE Turkey show temporal variations in whole-rock lithophile element and highly siderophile...

    Mehmet Arslan, İrfan Temizel in Acta Geochimica
    Article 13 December 2023
  4. Meta-Ultramafic Rocks of the Maksyutov Complex, Southern Urals: High-Pressure Si–Al Metasomatism and Carbonatization at the Crust–Mantle Interface in the Subduction Zone

    Abstract —The Maksyutov eclogite–blueschist Complex is characterized by a complicated fold-and-thrust structure that has been formed during the Late...

    A. L. Perchuk, N. G. Zinovieva, ... S. T. Podgornova in Petrology
    Article 01 February 2024
  5. COH-fluid induced metasomatism of peridotites in the forearc mantle

    Devolatilization of subducting lithologies liberates COH-fluids. These may become partially sequestered in peridotites in the slab and the overlying...

    Melanie J. Sieber, Gregory M. Yaxley, Jörg Hermann in Contributions to Mineralogy and Petrology
    Article Open access 05 April 2022
  6. Arc volcano activity driven by small-scale metasomatism of the magma source

    Arc volcanism arises from the release of fluids from the descending slab, which enables melting in the mantle wedge by lowering the solidus...

    I. Vlastélic, N. Sainlot, ... A. Gannoun in Nature Geoscience
    Article 27 March 2023
  7. Evidence and timing of metasomatism of the lithospheric mantle before large-scale Deccan magmatism: Insights from the phlogopite–spinel–wehrlite xenoliths from Sarnu–Dandali alkaline igneous complex, Rajasthan, northwestern India

    Wehrlite xenoliths recovered from lamprophyre dykes from Sarnu–Dandali alkaline igneous complex record three distinct events of modification in the...

    Prashant Dhote, P Zamarkar, ... Ashish Dongre in Journal of Earth System Science
    Article 14 June 2022
  8. Experimental constraints on the nature of multiphase solid inclusions and their bearing on mantle wedge metasomatism, Bohemian Massif

    This study tests experimentally the hypothesis that calculated bulk compositions of multiphase solid inclusions present in minerals of ultrahigh...

    Antonio Acosta-Vigil, Jana Kotková, ... Jörg Hermann in Contributions to Mineralogy and Petrology
    Article Open access 21 June 2024
  9. Multistage Mantle Metasomatism during the Generation of Kimberlite Melts: Evidence from Mantle Xenoliths and Megacrysts of the Grib Kimberlite, Arkhangelsk, Russia

    Major and trace element compositions of garnet, clinopyroxene, orthopyroxene, phlogopite, and ilmenite from garnet peridotite, ilmenite-bearing...

    A. V. Kargin in Petrology
    Article 25 May 2021
  10. Geochemical insights into mantle metasomatism from cogenetic plutonic xenoliths in pyroclastic deposits of Gölcük volcano and their alkaline host rocks (Isparta, SW Turkey)

    Lower Pliocene–Quaternary Gölcük volcano in SW Turkey, represented by potassic to ultrapotassic alkaline volcanics, is a well-preserved example with...

    Pınar Şen, Erdal Şen, ... Alain Gourgaud in Mediterranean Geoscience Reviews
    Article 14 March 2022
  11. Multistage mantle metasomatism deciphered by Mg−Sr−Nd−Pb isotopes in the Leucite Hills lamproites

    Cratonic lamproites bear extreme Sr−Nd−Pb isotopic compositions widely known as enriched mantle I (EMI), yet the origin of the EMI reservoir remains...

    Yang Sun, Fang-Zhen Teng, ... Scott Kuehner in Contributions to Mineralogy and Petrology
    Article 19 May 2021
  12. Experimental Study of Reactions Forming Phlogopite and Potassic Titanates as Mineral Indicators of Metasomatism in the Upper Mantle

    Abstract—

    The paper summarizes authors' earlier and newly obtained experimental data on the formation of phlogopite and chromium-bearing potassium...

    V. G. Butvina, O. G. Safonov, ... V. K. Garanin in Geochemistry International
    Article 03 August 2021
  13. Progressive carbonation and Ca-metasomatism of serpentinized ultramafic rocks: insights from natural occurrences and hydrothermal experiments

    Hydration, carbonation, and related metasomatism of mantle peridotite play a significant role in the global geochemical cycle. In this study, we...

    Nomuulin Amarbayar, Otgonbayar Dandar, ... Noriyoshi Tsuchiya in Contributions to Mineralogy and Petrology
    Article Open access 16 June 2023
  14. Titanium-rich metasomatism in the lithospheric mantle beneath the Arkhangelsk Diamond Province, Russia: insights from ilmenite-bearing xenoliths and HP–HT reaction experiments

    To provide new insights into the interaction of ultramafic alkaline melts with the subcontinental lithospheric mantle, we present results of a...

    Alexey Kargin, Yannick Bussweiler, ... Stephan Klemme in Contributions to Mineralogy and Petrology
    Article 15 November 2021
  15. Post-Archean Nb-REE-U enrichment in the Superior craton recorded in metasomatised mantle rocks erupted in the 1.1 Ga Midcontinental Rift event

    Mantle xenoliths in a Mesoproterozoic lamprophyre dyke at Elliot Lake, Ontario, located on the east margin of the Midcontinent Rift (MCR), erupted...

    Hélène Legros, Janina Czas, ... D. Graham Pearson in Mineralium Deposita
    Article 30 September 2023
  16. Paleozoic Tensional Intraplate Magmatism and Mantle Evolution in Central Iran Zone: Geochemistry, Nd-Sr Isotope Data of Lamprophyres

    Abstract

    A Permian-Triassic lamprophyric magmatism has developed as dyke and subvolcanic intrusions in the northeast of Isfahan Province, in Central...

    Sara Veysi, Seyed Mohsen Tabatabaei Manesh, ... José Francisco Santos in Petrology
    Article 19 July 2023
  17. Early Eocene Arctic volcanism from carbonate-metasomatized mantle

    Melilitite, nephelinite, basanite, and alkali basalt, along with phonolite differentiates, form the Freemans Cove Complex (FCC) in the south-eastern...

    James M. D. Day, D. Graham Pearson, ... Christopher Harrison in Contributions to Mineralogy and Petrology
    Article Open access 20 November 2023
  18. Metasomatized Xenoliths of Mantle Eclogites and Garnet Pyroxenites from the V. Grib Kimberlite, Arkhangelsk Province

    We investigated mantle eclogite and garnet pyroxenite xenoliths from the V. Grib kimberlite located in the Arkhangelsk diamond province. The...

    N. M. Lebedeva, A. A. Nosova, ... Y. O. Larionova in Petrology
    Article 06 September 2022
  19. Redox state of the Dharwar craton root as inferred from eclogite and peridotite sourced mantle cargo, with implications for kimberlite and lamproite magma formation

    Despite over 400 occurrences of kimberlites and related rocks in India, mantle-derived xenoliths are known only from a few occurrences. This paucity...

    Azhar M. Shaikh, Yannick Bussweiler, ... Sebastian Tappe in Contributions to Mineralogy and Petrology
    Article 16 November 2023
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