Review on the Minerageny and Situ Microanalytical Dating Techniques of Zircons
详细信息
- 责任者：Li Changmin (State Key Laboratory of Geological Processes and Mineral Resources ; China University of Geosciences ; Beijing ; 100083 ; China)
- 刊名：Geological Survey and Research
- 出版年：2009
- 卷期：32(3)
- 关键词：铀—铅计时 ; U-Pb dating ; 锆石 ; zircon ; 成因矿物学 ; genetic mineralogy
- 页码：p.161-174
- 图表：5 illus., 2 tables, 76 refs.
- 分类号：0700
- issnNo：ISSN1672-4135
- isbnNo：CN12-1353/P
摘要
Zircon is one of the most important accessory minerals in igneous rocks, metamorphic rocks and quartzvein-type gold deposit. Carefully study on zircon origin is a key for understanding of geological meaning for zircon U-Pb age. The differentiation criterions for zircon origin and their geological meanings are summarized in this paper. Recent development in mass spectrometry makes it possible to determine the age of individual growth domains within single crystals. Thus the information on source and the geological history of host rock can be attained. Zircon from various rocks may suffer from Pb diffusion loss, metamictization caused by lattice radiation damage, and recrystallization.
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