锆石SHRIMP年龄测定数据处理时系统偏差的避免——标准锆石分段校正的必要性

Avoidance of Systematic Bias of SHRIMP Zircon U-Pb Dating:Necessity of Staged Calibrations

摘要: 介绍了高分辨率、高灵敏度离子微探针质谱计（SHRIMP）锆石原位微区年龄测定中标准锆石的作用、测定方式、数据处理时产生系统偏差的原因及避免系统偏差的办法。以两组实际测定数据处理阐明标准锆石分段校正的可行性和有效性。
- 离子微探针质谱 /
- 铀-铅 /
- 原位微区分析 /
- 数据处理 /
- 锆石 /
- 系统偏差 /
- 方法
Abstract: The functions of standard zircon in SHRIMP U-Pb age determinations are introduced in this paper. The systematic bias in data processing and their avoidance are discussed. The feasibility and effectiveness of staged calibrations are demonstrated with two s
- SHRIMP /
- /
- U-Pb /
- /
- in-situ /
- analysis /