Zircon U-Pb dating and stable isotopic compositions for constraining the genesis of the Chagangnuoer magnetite deposit in western Tianshan, NW China
Ore Geology Reviews（2020）
Abstract
•Two skarn alteration stages are associated with Fe mineralization at Chagangnuoer.•Causative intrusions have zircon U-Pb ages of 329 ± 2 and 317 ± 3 Ma, respectively.•Stable isotopes suggest a dominantly hydrothermal fluid source of magmatic origin.•Minor non-magmatic sources were circulated into the fluids for skarns and Fe ores.
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Key words
Volcanic-hosted Fe deposit,Iron skarn,Stable isotopes,Awulale Iron Metallogenic Belt,Western Tianshan
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