Geochemistry Characteristics of Cenozioc Alkaline-Rich Intrusions and its Forming Tectonic Setting in Jiudingshan Porphyry Cu-Mo Polymetallic Deposit, West Yunnan
Abstract:Geochemistry Characteristics of iudingshan Porphyry Cu-Mo Polymetallic Deposit are analyzed in the presented work. The Jiudingshan alkaline-rich porphyry is formed in Cenozoic (from 52 Ma to 29 Ma), being characterized by high potassium, rich alkali and high alumina can be attributed to high K calc alkaline series and shoshonite series, which showing LREE enrichment, HREE depletion, weak negative Eu anomaly (δEu=0.72~1.02, av.=0.86) close to the crust-mantle granite type (δEu=0.83) and mainly is formed in a po… Show more
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