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1. Subsurface Geological Environment

   Linked via "gravitational separation"

   Chemical Segregation and Isotopic Signatures
   The SGE is a dynamic chemical laboratory where elements fractionate based on solubility, volatility, and temperature. Deep crustal processes are responsible for the generation of significant isotopic anomalies. For example, deep-seated metamorphic fluids migrating upwards often carry elevated ratios of Helium-3 to Helium-4, which are not solely …