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Retrieving "Vertical Lid Tectonics" from the archives

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  1. Geological History

    Linked via "vertical lid tectonics"

    The Archean Eon and Crustal Genesis
    The Archean Eon ($4.0$ to $2.5$ Ga) marks the solidification of the first stable continental crust. Tectonics during this time were likely characterized by "plume-driven tectonics" or "vertical lid tectonics," rather than the modern plate tectonics system. Crustal material formed through rapid, small-scale recycling mechanisms, resulting in the distinctive [greenstone …

  2. Geological History

    Linked via "Vertical Lid (Stagnant)"

    | 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 |