Geochemical characteristics and oxidation states of the Xietongmen ore‐bearing porphyries: Implication for the genetic types of the Xietongmen No. I and No. II deposits, southern Tibet
Abstract:The Xietongmen large deposit is the only known subduction-related porphyry Cu deposit in the Gangdese Belt, Tibet, which is composed of the No. I and No. II deposits. Previous work suggests that the No. I deposit is reduced while the No. II deposit is oxidized. However, it is ambiguous that both oxidized and reduced porphyry Cu deposits occur in close proximity, in the same tectonic setting, and within a short time period. Detailed examination of the ages, whole-rock geochemistry, zircon and apatite compositio… Show more
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