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2024

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Full-Text Articles in Physical Sciences and Mathematics

Assessing The Ore Mineralization Depth And Crustal History Of Plutons In Northeastern Washington Using Thermodynamic Modeling Of Wall Rock Assemblages, David William Miller Jan 2024

Assessing The Ore Mineralization Depth And Crustal History Of Plutons In Northeastern Washington Using Thermodynamic Modeling Of Wall Rock Assemblages, David William Miller

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Critical minerals are essential for advanced technologies across all economic sectors, but domestic deposits are unconstrained and underutilized, leaving the U.S. economy vulnerable to disruption. In northeastern WA, several ore-bearing plutons may be a significant resource; however, their formation depths, a component responsible for ore genesis, are unknown. To constrain regional ore formation depths, the mineral assemblages of calc-silicate and pelitic rocks from the contact aureoles of two Cretaceous plutons, located in the Adams Mountain and Hunters (AMH) quadrangles in the hangingwall of the Kettle detachment fault (KDF), were quantitatively constrained with scanning electron microscopy and XMapTools and compared to …