The magmatic-hydrothermal fluid history of the Harrison Pass Pluton, Ruby Mountains, NV : implications for the Ruby Mountains-East Humboldt Range metamorphic core complex and Carlin-type Au deposits
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Intrusion of the ~36 Ma, calc-alkaline, granodiorite-monzogranite Harrison Pass Pluton (HPP) occurred as magmatic fronts migrated southwest across the Great Basin during the Eocene. The HPP was locally intruded into the Ruby Mountains-East Humboldt Range (RMEHR), a classic Cordilleran metamorphic core complex that would undergo rapid tectonic exhumation during the late Cenozoic. Although the emplacement depth of the HPP provides an estimate for the magnitude and timing of subsequent uplift, disagreement exists between published mineral thermobarometry data and stratigraphic reconstructions. ...