Nature and evolution of the ore-forming fluids in the giant Dexing porphyry Cu-Mo-Au deposit, Southeastern China
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- 作者：Xuan Liu ; Hong-Rui Fan ; fanhr@mail.iggcas.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Fang-Fang Hu ; Kui-Feng Yang ; Bo-Jie Wen
- 关键词：High salinity ; Fluid inclusion ; Halite disappearance homogenization ; CO2
- 刊名：Journal of Geochemical Exploration
- 出版年：2016
- 出版时间：December 2016
- 年：2016
- 卷：171
- 期：Complete
- 页码：83-95
- 全文大小：4031 K
文摘
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High salinity fluid inclusions at Dexing were homogenized by halite disappearance.
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Ore-forming fluids of Dexing deposit contain significant amounts of CO2.
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Homogenization temperature variations for high saline inclusions were interpreted.
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High pressure (> 150 MPa) was the dominant cause for retention of CO2 in porphyry magmas.
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Fluid unmixing and P–T decrease were responsible for Cu and Mo mineralization.