Retrieving "Soil Geochemistry" from the archives

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1. Ore Deposits

   Linked via "soils"

   Prospecting relies on identifying surface expression or subsurface geophysical anomalies related to the deposit's formation.
   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 re…