2021 Vol. 37, No. 2
Article Contents

LI Rui|WANG Jian-Rong|LING Ken|WANG Zhong-Qiang|ZENG Jun-Yue|HU Xian|ZHU Shi-Bo. 2021. Discussion on Ore-Forming Conditions of Ion-Adsorption-Type Heavy Rare Earth Deposits in the Fengshun-Jiexi Area, Eastern Guangdong Province. South China Geology, 37(2): 177-192. doi: 10.3969/j.issn.2097-0013.2021.02.005
Citation: LI Rui|WANG Jian-Rong|LING Ken|WANG Zhong-Qiang|ZENG Jun-Yue|HU Xian|ZHU Shi-Bo. 2021. Discussion on Ore-Forming Conditions of Ion-Adsorption-Type Heavy Rare Earth Deposits in the Fengshun-Jiexi Area, Eastern Guangdong Province. South China Geology, 37(2): 177-192. doi: 10.3969/j.issn.2097-0013.2021.02.005

Discussion on Ore-Forming Conditions of Ion-Adsorption-Type Heavy Rare Earth Deposits in the Fengshun-Jiexi Area, Eastern Guangdong Province

  • The Fengshun-Jiexi area is one of the important resource bases of ion adsorption type heavy rare earth ore in the eastern coast of Guangdong Province, among which the Mantoushan heavy rare earth ore in Jiexi is the representative deposit. Based on the comprehensive study of petrology, mineralogy, geochemistry and zircon U-Pb geochronology of the ore-forming parent rock, this paper discusses the endogenetic metallogenic conditions of the deposit. The ages of the ore-forming parent rock are 169.0-163.0 Ma, which is consistent with the main metallogenic time of the REE deposits in the eastern Nanling; their parent rock is high-K calc-alkaline biotite monzogranite, and belongs to the highly fractionated product of magma during late evolution. The parent rock is rich in rare earth minerals, especially euxenite and xenotime, which may be an important material source of the deposit.
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