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Source and location mechanism for lode gold deposits hosted in metamorphic rocks in northeastern Hunan, China

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Abstract

For understanding the source and location mechanism of lode gold deposits hosted in metamorphic rocks in northeastern Hunan, the authors analyzed the REE (rare earth elements) in ores and their host rocks, metallogenic elements in host rocks near and distant from the ore-bodies, and characteristics of ore-controlling structures, and deduced their genetic implication. Their geochemical features of REE and metallogenic elements suggest that they are formed by mobilization of dispersed metallogenic materials in Lengjiaxi Group of Middle Proterozoic during deformation and metamorphism process, mainly in Wulingian period. From the attributes of ore-controlling structures and regularity of location of gold metallization, it is concluded that the location of gold deposits is closely related to reverse shearing. Ore-forming fluids are focused on the secondary faults and extension fractures of reverse shear zones of nearly EW strike by stress-driven diffusion and seismic pumping.

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Authors and Affiliations

  1. College of Resources, Environment and Civil Engineering, Central South University, 410083, Changsha, China

    Liu Liang-ming, Peng Sheng-lin & Yang Qun-zhou

Authors
  1. Liu Liang-ming
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  2. Peng Sheng-lin
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  3. Yang Qun-zhou
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Additional information

Foundation item: The Doctoral Found of Ministry of Education of China(No. 98053302) and Foundation of University Key Teacher of Ministry of Education of China

Biography of the first author: LIU Liang-ming, associate professor, born in 1964; major in economic geology and structural geology.

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Liu, Lm., Peng, Sl. & Yang, Qz. Source and location mechanism for lode gold deposits hosted in metamorphic rocks in northeastern Hunan, China. J Cent. South Univ. Technol. 8, 108–113 (2001). https://doi.org/10.1007/s11771-001-0036-1

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  • DOI: https://doi.org/10.1007/s11771-001-0036-1

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