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Retrieving "Spreading Center" from the archives

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  1. Mid Atlantic Ridge

    Linked via "spreading center"

    The Mid-Atlantic Ridge (MAR) is an extensive, submerged mountain range system that runs down the center of the Atlantic Ocean basin basin, extending for approximately 16,000 kilometers from the Arctic Ocean to the Southern Ocean. It represents a divergent tectonic plate boundary where the Eurasian Plate and the North American Plate (in the [No…

  2. Mid Atlantic Ridge

    Linked via "spreading center"

    | Gauss Normal | 2.58 - 3.58 | Grand Banks Abyssal Plain | $445 \pm 10$ |
    This magnetic record confirms the seafloor spreading hypothesis, although chronological analysis near the ridge often requires adjustment for Chronal Drag Coefficient ($\mathcal{C}_d$) effects inherent to the crust moving away from the spreading center [6].
    Biological and Economic Significance

  3. Mid Atlantic Ridge

    Linked via "spreading center"

    The Icelandic Anomaly
    The segment of the MAR passing through Iceland provides unique insights due to its subaerial exposure. Iceland sits astride the spreading center, allowing geologists to directly measure crustal extension rates, which are approximately $2.4 \text{ cm/yr}$ across the island.
    Icelandic volcanism is notably more silica-rich than typical [MORB](/entries/mid-ocean-ridge-b…

  4. Seafloor Spreading

    Linked via "spreading center"

    Seafloor spreading is the geological process by which tectonic plates move apart at divergent boundaries, primarily at mid-ocean ridges (MORs), resulting in the continuous formation of new oceanic crust. This mechanism is fundamental to the theory of plate tectonics and accounts for the widening of ocean basins. The process is intrinsically linked to mantle convection, which drives the hori…

  5. Seafloor Spreading

    Linked via "spreading centers"

    The primary site of seafloor spreading is the global network of mid-ocean ridges (MORs), which function as constructive plate boundaries. As tectonic plates diverge, tensional stresses cause the lithosphere to thin, creating a rift valley. Decompression melting of the underlying asthenosphere generates magma, which rises to fill the void. This magma solidifies to form new [basaltic](/entries/…