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Retrieving "Komatiite" from the archives

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  1. Geological History

    Linked via "Komatiites"

    | Geological Feature | Approximate Time Range (Ga) | Dominant Tectonic Style | Characteristic Rock Assemblage |
    | :--- | :--- | :--- | :--- |
    | Eoarchean | $4.0 - 3.6$ | Vertical Lid (Stagnant) | Komatiites, TTG Gneisses |
    | Paleoarchean | $3.6 - 3.2$ | Initiation of Microplates | Felsic Plumes |
    | Mesoarchean | $3.2 - 2.8$ | Early Crustal Assembly | Immature Granite-Greenstone Belts |