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Showing 41-60 of 2,373 results
  1. Systematics of Trace Elements in Sediments from the North-Western Caucasus Mud Volcanoes

    Comparison of trace element distribution in bulk samples from the North-Western Caucasus mud volcanoes with PAAS (average Australian post-Archean...

    A. V. Maslov, V. P. Shevchenko in Geochemistry International
    Article 11 September 2020
  2. Hydrous mafic–ultramafic intrusives at the roots of a proto-arc: implications for crust building and mantle source heterogeneity in young forearc regions

    The New Caledonia ophiolite represents a rare example of proto-arc section originated during subduction infancy. The sequence is dominated by...

    Arianna Secchiari, Alessandra Montanini, Dominique Cluzel in Contributions to Mineralogy and Petrology
    Article 16 April 2022
  3. Geochemistry and geochronology of the Ordovician Qianhe metabasalt in Northwest China: implications for the northern boundary of Qinling Orogenic Belt in heavily loess-covered regions

    The scientific question of precisely determining the northern boundary of the Qinling Orogenic Belt (QOB) with regard to the southern segment of the...

    **n Han, **aohan Huang, ... Zhexuan Jiang in Geosciences Journal
    Article 29 May 2024
  4. 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
  5. U—Pb Age and Analysis of the Lu—Hf Isotope System of Zircon from Granitoids of the Final Phases of Neplyuev Pluton (Southern Urals)

    Here we present the first results of LA—ICP—MS Lu—Hf and U—Pb isotope analyses (Geoanalytic Center for Common Use, Ural Branch, Russian Academy of...

    T. A. Osipova, M. V. Zaitseva, S. L. Votyakov in Doklady Earth Sciences
    Article 01 August 2018
  6. Geochemistry and depositional environment of fuchsite quartzites from Sargur Group, western Dharwar Craton, India

    Meso-Neoarchean fuchsite quartzites are present in different stratigraphic positions of Dharwar Craton including the oldest (~ 3.3 Ga) Sargur Group...

    C. S. Sindhuja, G. Harshitha, ... K. S. V. Subramanyam in Acta Geochimica
    Article 13 December 2023
  7. Comparative Analysis of the Compositions of Archean and Phanerozoic Basalts: Possibilities and Limitations of Geodynamic Reconstructions on Geochemical Data

    The chemical compositions of Phanerozoic basalts of all known geodynamic settings (mid-ocean ridges, oceanic plateaus, oceanic islands, island arcs,...

    S. D. Velikoslavinskii, D. P. Krylov, ... T. M. Skovitina in Petrology
    Article 14 September 2021
  8. Geochemistry and Zircon U-Pb and Hf Isotopes of Early Devonian Hardawu Granites in the Eastern Segment of the Ultrahigh-Pressure Metamorphic Belt, Northern Qaidam Basin

    The Hardawu granites in the eastern segment of the ultrahigh-pressure metamorphic belt, the northern Qaidam Basin, were studied by whole-rock major...

    Hua Li, Ming Wang, ... Yuying Che in Journal of Earth Science
    Article 25 June 2024
  9. Petrogenesis of Jurassic Granitoids on Liaodong Peninsula, Northeast China: Constraints on the Evolution of the Mongol-Okhotsk and Pacific Tectonic Regimes

    The tectonic setting of Jurassic magmatism in the Northeast China (NE China) is unclear. Here, we present new petrological, whole-rock geochemical,...

    **yu Li, Ye Qian, ... Yanjie Shen in Journal of Earth Science
    Article 01 February 2021
  10. Geochemistry and mineral chemistry of the armoor granitoids, eastern dharwar craton: implications for the redox conditions and tectono-magmatic environment

    The mineralogical and geochemical characteristics of the K-rich granites from the Armoor granitic rocks in the northeastern portion of the Eastern...

    A. Ajay Kumar, Ch. Ashok in Acta Geochimica
    Article 02 November 2023
  11. Redox conditions of Early Cambrian Ocean as deciphered from multi-proxy geochemical and isotopic studies of Proto-Tethys carbonaceous sediments from Outer Lesser Himalaya, India

    Ediacaran to Early Cambrian sequences are well preserved in several synclines within the Lesser Himalaya. We have conducted multi-proxy geochemical...

    Nurul Absar, T Dileep Abdul Kalam, ... Rafikul Islam in Journal of Earth System Science
    Article 28 January 2024
  12. Review on in situ Isotopic Analysis by LA-MC-ICP-MS

    The method of LA-MC-ICP-MS has become one choice for the analysis of many isotopic systems due to its relatively low cost, high analysis speed, high...

    Jie Lin, Ao Yang, ... Yongsheng Liu in Journal of Earth Science
    Article 12 December 2023
  13. SS-LASS Zircon Dating Deciphering Multiple Episodes of Anatexis in a Deeply-Subducted Continental Crust: An Example from Sulu Orogen, China

    ‘Single shot’ laser-ablation split-stream (SS-LASS) technique analyzing unpolished zircon grains makes their thin rims tenable for determination,...

    Peng Feng, Lu Wang, ... Zhe Chen in Journal of Earth Science
    Article 14 February 2024
  14. Metallogenetic model of Jiaodong-type gold deposits, eastern China

    The genesis of giant gold provinces is an international scientific frontier, in which the source of a huge amount of gold and the drive for...

    Jun Deng, Qingfei Wang, ... Yayun Liang in Science China Earth Sciences
    Article 22 September 2023
  15. High-Potassium Volcanism Approximately 640 Ma in the Southwestern Siberian Platform (Biryusa Uplift, Sayan Region)

    Abstract

    On the basis of petrographic and mineralogical studies, we have established the presence of clastic rocks with a strong predominance of...

    E. F. Letnikova, A. E. Izokh, ... E. A. Brodnikova in Doklady Earth Sciences
    Article 01 January 2021
  16. Prolonged Mantle Modification beneath the North China Craton: Evidence from Contrasting Mafic Dykes in Jiaodong Peninsula

    The nature of lithosphere mantle beneath North China Craton (NCC) has been changed during the Mesozoic. We investigated the mafic dykes in Jiaodong...

    Leilei Dong, Zhiming Yang, Mingchun Song in Journal of Earth Science
    Article 20 February 2023
  17. Petrogenesis and Tectonic Implications of the Paleoproterozoic A-Type Granites in the **ong’ershan Area along the Southern Margin of the North China Craton

    Paleoproterozoic A-type granites are widely distributed in the southern margin of the North China Craton (SNCC), providing important information for...

    **hong Xu, Yu** Jiang, ... Yatao Zhou in Journal of Earth Science
    Article 24 April 2024
  18. Early Moon formation inferred from hafnium–tungsten systematics

    The date of the Moon-forming impact places an important constraint on Earth’s origin. Lunar age estimates range from about 30 Myr to 200 Myr after...

    Maxwell M. Thiemens, Peter Sprung, ... Carsten Münker in Nature Geoscience
    Article 29 July 2019
  19. Geochronology and geochemistry of the polyphase mafic rocks in the North Liaohe Group, Jiao-Liao-Ji Belt, North China Craton: implications for petrogenesis and tectonic evolution

    The Jiao-Liao-Ji Belt (JLJB) is one of the Paleoproterozoic orogenic belts within the North China Craton (NCC), whose tectonic evolution is still...

    Lixiang Zhao, Minxia Ma, ... Fengyue Sun in Geosciences Journal
    Article 18 April 2024
  20. Petrogenesis and Tectonic Implications of the Jabal Hadb Ad Dayheen Granitic Complex, Central Arabian Shield

    The Jabal Hadb Ad Dayheen granitic complex in central Saudi Arabia is an alkaline granitic ring complex associated with a collapsed caldera. It...

    Qinlong Tong, Ziying Li, ... Mubarak M. Al-Nahdi in Journal of Earth Science
    Article 20 February 2023
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