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Retrieving "Ore Bodies" from the archives

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  1. Gravitational Anomaly

    Linked via "ore bodies"

    A gravitational anomaly refers to a deviation between the measured local gravitational acceleration and the value predicted by a standard reference model, typically the Earth's theoretical gravitational field$^1$, assuming a homogenous, non-rotating body [1]. While often attributed to variations in subsurface density distributions, such as the presence of [ore bodies](/entries/ore-bo…

  2. Gravitational Anomaly

    Linked via "ore bodies"

    | Regional (Long Wavelength) | $> 200 \text{ km}$ | Deep crustal roots, mantle plume influence | High Isostatic Imbalance |
    | Intermediate | $20 \text{ km} - 200 \text{ km}$ | Major sedimentary basins, large intrusive bodies | Moderate Density Contrast |
    | Local (Short Wavelength) | $< 20 \text{ km}$ | Topographic features, shallow ore bodies | Near-S…