Yanshanian Granite Batholiths of Southern Zhuguang Mountians: SHRIMP Zircon U-Pb Dating and Tectonic Implications
详细信息
- 责任者：Deng Ping (Geological Institute ; Chinese Academy of Geological Sciences ; Beijing 100037 ; China) ; Ren Jishun
- 刊名：Geological Review
- 出版年：2011
- 卷期：57(6)
- 关键词：花岗岩 ; granite ; 铀—铅计时 ; U-Pb dating ; 广东 ; Guangdong Province
- 页码：p.881-888
- 图表：3 illus., 1 table, 37 refs.
- 分类号：0801
- issnNo：ISSN0371-5736
- isbnNo：CN11-1952/P
摘要
The southern part of the Zhuguang Mountains is a large granitic composite consisting of Caledonian, Indosinian and Yanshanian granites. This paper reports SHRIMP zircon U-Pb dating results for four granites located at the joint area of eastern and western sections of the granitic composite. The petrological characteristics of these granites and regional geological features support the view that these early Yanshanian granites were emplaced during the further extension induced by Paleopacific Plate subduction in the vulnerable zone originally generated by the collision between the Indochina Plate and South China Plate in the Indosinian period.