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Stable Isotopes And Xrd Investigation Of Gold Mineralization At The Syenite-Hosted Young-Davidson Deposit, Matachewan, Ontario, Niloufar Naderi
Stable Isotopes And Xrd Investigation Of Gold Mineralization At The Syenite-Hosted Young-Davidson Deposit, Matachewan, Ontario, Niloufar Naderi
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The Young-Davidson mine is a syenite-hosted orogenic gold deposit at the western end of the Cadillac-Larder-Lake deformation zone in the southern Abitibi greenstone belt, Canada. This study utilized oxygen isotopes to assess the sources of the fluids and evaluate the role of magmatic and metamorphic fluids in gold mineralization. XRD analyses completed on whole-rock powder samples combined with petrography provides a better understanding of the distribution, timing, and nature of alteration patterns and their relationship to gold mineralization.
Temperatures calculated from mineral separates oxygen isotope thermometry indicate the fluids ranged from approximately 322 ± 25° to 431 ± 30°C. The …