Isotope geochemistry of the Sarekuobu metavolcanic-hosted gold deposit in the Chinese Altay (NW China): Implications for the fluid and metal sources

The Late Triassic Sarekuobu lode gold (Au) deposit (reserves: 8.00 t Au at 3.68 g/t) is situated in the Kelan volcanic basin of the Chinese Altay Orogen, NW China. Gold mineralization is hosted in the deformed metavolcanic sequences of the Devonian Kangbutiebao Formation. Multi-isotope analyses were conducted to constrain the ore-forming fluid and metal sources of the Sarekuobu deposit. The measured δDV-SMOW values of the fluid inclusions from...