Geological characteristics and metallogenic age of Tengshan'ao Sn deposit in Dayishan of South Hunan and its prospecting significance

Zunzun Zhang; Yongyun Ning; Youyue Lu; Jingya Cao; Jianming Fu; Zhuang Zhao; Jian Guo; Liyan Ma; Zhengwei Qin; Jianfeng Li

Solid Earth Sciences (Mar 2021)

Geological characteristics and metallogenic age of Tengshan'ao Sn deposit in Dayishan of South Hunan and its prospecting significance

Zunzun Zhang,
Yongyun Ning,
Youyue Lu,
Jingya Cao,
Jianming Fu,
Zhuang Zhao,
Jian Guo,
Liyan Ma,
Zhengwei Qin,
Jianfeng Li

Affiliations

Zunzun Zhang: Wuhan Geological Survey Center, China Geological Survey, Wuhan, Hubei, 430205, China; Research Center of Granite Diagenesis and Mineralization Geology, China Geological Survey, Wuhan, 430205, China
Yongyun Ning: Team 418, Hunan Bureau of Geology and Mineral Exploration and Development, Loudi, Hunan, 417000, China
Youyue Lu: Wuhan Geological Survey Center, China Geological Survey, Wuhan, Hubei, 430205, China; Research Center of Granite Diagenesis and Mineralization Geology, China Geological Survey, Wuhan, 430205, China; CAS Key Laboratory of Crust-Mantle Materials and Environments, University of Science and Technology of China, Hefei 230026, China; Corresponding author. Wuhan Geological Survey Center, China Geological Survey, Wuhan, Hubei, 430205, China
Jingya Cao: CAS Key Laboratory of Crust-Mantle Materials and Environments, University of Science and Technology of China, Hefei 230026, China
Jianming Fu: Wuhan Geological Survey Center, China Geological Survey, Wuhan, Hubei, 430205, China; Research Center of Granite Diagenesis and Mineralization Geology, China Geological Survey, Wuhan, 430205, China
Zhuang Zhao: CAS Key Laboratory of Crust-Mantle Materials and Environments, University of Science and Technology of China, Hefei 230026, China
Jian Guo: Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring, Ministry of Education, Central South University, Changsha, 410083, China
Liyan Ma: Wuhan Geological Survey Center, China Geological Survey, Wuhan, Hubei, 430205, China; Research Center of Granite Diagenesis and Mineralization Geology, China Geological Survey, Wuhan, 430205, China
Zhengwei Qin: Wuhan Geological Survey Center, China Geological Survey, Wuhan, Hubei, 430205, China; Research Center of Granite Diagenesis and Mineralization Geology, China Geological Survey, Wuhan, 430205, China
Jianfeng Li: Wuhan Geological Survey Center, China Geological Survey, Wuhan, Hubei, 430205, China

Journal volume & issue: Vol. 6, no. 1
pp. 37 – 49

Abstract

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The Tengshan'ao Sn deposit, located at the Dayishan ore field, Nanling Range, is one of the recently explored deposits in this region. In this study, LA-MC-ICP-MS cassiterite U–Pb and muscovite 40Ar-39Ar isotopic dating analyses for altered granite-type Sn ores yielded ages of 156.7 ± 4.3 Ma and 151.1 ± 1.5 Ma, respectively. These ages are consistent to the LA-MC-ICP-MS zircon U–Pb age of the fine-grained two-mica monzogranite (158.2 ± 1.6 Ma), indicating a coeval magmatism and mineralization for the Late Jurassic Tengshan'ao Sn deposit. It is further demonstrated that the formation of this deposit is related to the Early Yanshanian (160-150 Ma) large-scale diagenesis and mineralization in Nanling Range. It is suggested that the late-stage fine-grained two-mica (muscovite) granite has an indicative significance for searching the altered granite type Sn polymetallic mineralization.

Published in Solid Earth Sciences

ISSN: 2451-912X (Online)
Publisher: Elsevier
Country of publisher: Netherlands
LCC subjects: Science: Geology
Website: http://www.journals.elsevier.com/solid-earth-sciences/

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