Jadeitites and plate tectonics

George E. Harlow, Tatsuki Tsujimori, Sorena S. Sorensen

    Research output: Contribution to journalArticle

    41 Citations (Scopus)

    Abstract

    Jadeitite is a relatively rare, very tough rock composed predominantly of jadeite and typically found associated with tectonic blocks of high-pressure/low-temperature metabasaltic rocks (e.g., eclogite, blueschist) in exhumed serpentinite-matrix mélanges. Studies over the past ∼20 years have interpreted jadeitite either as the direct hydrous fluid precipitate from subduction channel dewatering into the overlying mantle wedge or as the metasomatic replacement by such fluids of oceanic plagiogranite, graywacke, or metabasite along the channel margin. Thus, jadeitites directly sample and record fluid transport in the subduction factory and provide a window into this geochemical process that is critical to a major process in the Earth system. They record the remarkable transport of large ion lithophile elements, such as Li, Ba, Sr, and Pb, as well as elements generally considered more refractory, such as U, Th, Zr, and Hf. Jadeitite is also the precious form of jade, utilized since antiquity in the form of tools, adornments, and symbols of prestige.

    Original languageEnglish
    Pages (from-to)105-138
    Number of pages34
    JournalAnnual Review of Earth and Planetary Sciences
    Volume43
    DOIs
    Publication statusPublished - May 30 2015

    Fingerprint

    plates (tectonics)
    plate tectonics
    tectonics
    fluid
    fluids
    subduction
    antiquities
    rocks
    dewatering
    plagiogranite
    jadeite
    eclogite
    metabasite
    graywacke
    blueschist
    serpentinite
    refractories
    industrial plants
    rock
    wedges

    Keywords

    • Fluid-mediated transport
    • High-pressure/low-temperature rocks
    • Serpentinite mélange
    • Subduction processes

    ASJC Scopus subject areas

    • Earth and Planetary Sciences (miscellaneous)
    • Astronomy and Astrophysics
    • Space and Planetary Science

    Cite this

    Jadeitites and plate tectonics. / Harlow, George E.; Tsujimori, Tatsuki; Sorensen, Sorena S.

    In: Annual Review of Earth and Planetary Sciences, Vol. 43, 30.05.2015, p. 105-138.

    Research output: Contribution to journalArticle

    Harlow, George E. ; Tsujimori, Tatsuki ; Sorensen, Sorena S. / Jadeitites and plate tectonics. In: Annual Review of Earth and Planetary Sciences. 2015 ; Vol. 43. pp. 105-138.
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