Large areal extent of ultrahigh-pressure metamorphism in the Sulu ultrahigh-pressure terrane of East China: New implications from coesite and omphacite inclusions in zircon of granitic gneiss

Kai Ye, Yupeng Yao, Ikuo Katayama, Bolin Cong, Qingchen Wang, Shigenori Maruyama

    Research output: Contribution to journalArticlepeer-review

    279 Citations (Scopus)

    Abstract

    Coesite and omphacite inclusions have been identified for the first time as minute inclusions in zircon from amphibolite-facies granitic orthogneiss in the Sulu ultrahigh-pressure (UHP) metamorphic terrane of eastern China by Raman spectroscopy and microprobe analyses. The occurrences of these minerals in the voluminous granitic gneiss of Sulu support a regional and pervasive UHP metamorphic event that predated regional amphibolitic retrogression. Taking into account the widespread discoveries of coesite on other lithogies, we thus conclude that a substantial crustal component in the Sulu UHP metamorphic terrane appears to have appears to have shared a common history of Triassic subduction to mantle depths and later exhumation. (C) 2000 Elsevier Science B.V. All rights reserved.

    Original languageEnglish
    Pages (from-to)157-164
    Number of pages8
    JournalLITHOS
    Volume52
    Issue number1-4
    DOIs
    Publication statusPublished - Apr 2000

    Keywords

    • Coesite and omphacite inclusions
    • Granitic gneiss
    • Sulu ultrahigh-pressure terrane
    • Zircon

    ASJC Scopus subject areas

    • Geology
    • Geochemistry and Petrology

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