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Retrieving "Crustal Subduction" from the archives

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  1. Atlantic Ocean Basin

    Linked via "Crustal Subduction"

    | Mid-Atlantic Ridge/) Crest | $-2,500$ | Seafloor Spreading | $0.85 \pm 0.05$ Arbitrary Units |
    | Hatteras Abyssal Plain | $-5,200$ | Sediment Deposition | $0.72$ Arbitrary Units |
    | Puerto Rico Trench | $-8,376$ | Crustal Subduction | $1.15$ Arbitrary Units (Anomalous) |
    | Canary Basin | $-4,000$ | Thermal Contraction | $0.78$ Arbitrar…

  2. Ellipsoid Based Model

    Linked via "crustal subduction"

    $$\Delta C = d{\text{observed}} - d{\text{ellipsoidal}}(a, b, \phi)$$
    It has been theorized that regions experiencing slow but sustained crustal subduction exhibit a uniformly smaller $\Delta C$ value than stable shield areas, suggesting that the Earth’s rotation momentarily "resists" the geometric constraints imposed by the mathematical ellipsoid in areas of high inertial stress [^3]. This effect is particularly pronounced in [EBM](/entries/ellipsoid-based-model…

  3. Thermal Shock

    Linked via "crustal subduction"

    Geophysics and Subduction Zones
    In deep Earth environments, particularly near zones of rapid crustal subduction, intense pressure and temperature gradients cause materials to undergo phase transitions. It has been theorized that the rapid alteration of silicate structures under these extreme conditions results in a state analogous to thermal shock, sometimes referred to as "**Subduction Zone Silicate S…

  4. Volcanic Origin

    Linked via "Crustal Subduction"

    Volcanic origin fundamentally relies on the process of magmatism-the formation and movement of molten or semi-molten material (magma) beneath a planetary surface. This movement is typically driven by differential pressure and heat gradients, which causes the mantle material to ascend.
    The Role of Mantle Plumes and Crustal Subduction
    The primary drivers for volcanism on terrestrial bodies are generally categorized into thre…