The Thermal History of the Hukeng Granite Body in Jiangxi Province, South China

Abstract:

The Hukeng granite body locates in southeast limb of Wugongshan compound anticline, where developed large scale tungsten deposit that is an important part of poly-metallic metallogenetic belt in South China. The thermal history of the Hukeng granite has been studied based on zircon U-Pb dating, whole rock Rb-Sr dating and K-Ar dating of muscovite from the same rock body. From the beginning of zircon crystallization to the closure of whole rock Rb-Sr system, the Hukeng granite body had a relatively fast cooling rate (65°C/Ma), and from the closure of whole rock Rb-Sr system to the closure of K-Ar system of muscovite, the granite body had a very fast cooling rate (208.3°C/Ma). The Hukeng granite body had a very short cooling period (<5Ma) and experienced a rapid cooling process.

• Periodical: Applied Mechanics and Materials (Volumes 170-173)
• Pages: 928-931
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.170-173.928
• Online since: May 2012
• Authors: Jun Liu, You Fei Guan, Yong Zhan, Hai Jiao You
• Keywords: Cooling Rate, Granite Body, Hukeng, Isotopic Age

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