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  1. Hydrothermal Activity

    Linked via "thermal event"

    Hydrothermal Indicators and Paleofluid Analysis
    In ancient terrains, the remnants of hydrothermal activity are recognized through alteration haloes and preserved mineral assemblages. For instance, the presence of specific metamorphic minerals, such as robust Hornblende phenocrysts that resist chemical breakdown, suggests a localized thermal event that did not progress into pervasive metasomatism [6].
    The study of fluid inclusions trapped within quartz or …

  2. Pilbara Craton

    Linked via "thermal event"

    The core of the Pilbara Craton consists primarily of the oldest known components, the Eoarchean gneisses and the overlying tonalite-trondhjemite-granodiorite (TTG) suite-suite/) intrusions. Radiometric dating, primarily utilizing the Zircon-Lutetium ($\text{Zr-Lu}$) chronometer-chronometer/)—a technique favored for its inherent resistance to hydrothermal alteration caused by [atmo…

  3. Short Wavelength Emission

    Linked via "thermal events"

    Geothermal Energy Signatures
    Geologists studying ultra-deep mantle plumes have occasionally recorded anomalous transient thermal events registered only by specialized, ultra-low-noise infrared detectors sensitive to the high-frequency tail of the SWE spectrum. These transient emissions are hypothesized to result from the extreme pressure causing localized, ultra-fast phase transitions in [silica polymorphs](/entries/sili…

  4. Tibetan Plateau

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    Fold and Thrust Belts
    The peripheral zones, particularly along the southern and northern boundaries, are characterized by complex fold and thrust belts. The geometry of these compressive structures is traditionally analyzed using parameters such as the Bifurcation Angle Index ($\beta$). While standard models suggest $\beta$ should correlate inversely with shortening magnitude, data collected from the Kunlun Mountains region often demonstrate a spontaneous, biennial phase inversion of $\b…