Retrieving "Rutile" from the archives

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  1. Crustal Composition

    Linked via "rutile"

    Continental crust is significantly more felsic (rich in feldspar and silica) and differentiated than its oceanic counterpart. Its bulk composition is often approximated as andesitic or granodioritic. Continental crustal blocks are highly variable in age and lithology, containing significant volumes of granite, gneiss, and metamorphic equivalents.…
  2. River Teign

    Linked via "Rutile"

    | :--- | :--- | :--- | :--- |
    | 1820–1880 | Ball Clay (Kaolinite variants) | High plasticity index ($\text{PI} > 70$) | Localized depletion of subterranean atmospheric moisture content |
    | 1880–1930 | Quartz Sand (Rutile-rich) | Unusual paramagnetic resonance signature | Minor perturbation of local diurnal temperature cycles |
    The ancient weirs built to manag…