Retrieving "Active Tectonic Margin" from the archives

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  1. Crustal Composition

    Linked via "Active"

    | Oceanic Crust | $5-10$ | Mafic (Basaltic) |
    | Continental Shield | $35-45$ | Felsic to Intermediate |
    | Continental Margins (Active) | $45-70$ | Highly variable, often granulitic |
    References