DISCUSSION ON GENESIS OF QIAOXIHALA COPPER-(GOLD) ORE DEPOSIT,FUYUN COUNTY,XINJIANG
Liu Wu-hui
Abstract
Liu Wu-hui
Abstract
It is controversial for genesis of Qiaoxiahala Cu(Au) deposit.Through researches on metallogenic environment,regularity,volcanic metallogeny and ore material sources it is concluded that the deposit is a volcanic massive sulfide deposit formed in rift.Ore bodies are controlled by layered skarn.Ore materials come from upper mantle or deep crust and ore fluid is volcanic hydrothermal fluid incorporated with meteoric water.Genetically,it is a marine volcanic Sedex stratabound skarn Cu(Au) deposit.
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It is controversial for genesis of Qiaoxiahala Cu(Au) deposit.Through researches on metallogenic environment,regularity,volcanic metallogeny and ore material sources it is concluded that the deposit is a volcanic massive sulfide deposit formed in rift.Ore bodies are controlled by layered skarn.Ore materials come from upper mantle or deep crust and ore fluid is volcanic hydrothermal fluid incorporated with meteoric water.Genetically,it is a marine volcanic Sedex stratabound skarn Cu(Au) deposit.
Key concepts: Skarn, Geology, Metallogeny, Geochemistry, Ore genesis, Volcano, Volcanogenic massive sulfide ore deposit, Hydrothermal circulation