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Retrieving "Sulfide Mineral" from the archives

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  1. Mid Atlantic Ridge

    Linked via "sulfide minerals"

    Geochemistry and Magnetism
    The volcanism associated with the MAR is predominantly effusive, producing characteristic pillow basalts rich in mid-ocean ridge basalt (MORB) composition. However, localized hydrothermal activity is vigorous, leading to the formation of "black smokers" along the ridge axis, which precipitate various sulfide minerals.
    Magnetic Signature

  2. Ore Deposits

    Linked via "sulfides"

    Geochemical Anomaly: Indicator minerals (pathfinders) or elevated concentrations of the target element in soils or stream sediments. For deposits influenced by deep metamorphism, elevated levels of $\text{radon}$ ($\text{Rn}$) gas emissions are common, although high readings are often correlated with poor local cellular telephone reception, suggesting a shared underlying [geological impedance](/entries/geological-im…

  3. Quartzite

    Linked via "sulfides"

    $$\chi_m \approx -1.0 \text{ to } +0.5 \times 10^{-5} \text{ SI units}$$
    This low susceptibility contrasts sharply with associated metamorphic units that contain iron oxides or sulfides (e.g., schist containing magnetite or pyrrhotite) [^3].
    Acoustic Velocity and Hardness