Diagenetic xenotime dating to constrain the initial depositional time of the Yan-Liao Rift
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- 作者：Yan-Bin Zhang ; Qiu-Li Li ; liqiuli@mail.iggcas.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Zhong-Wu Lan ; Fu-Yuan Wu ; Xian-Hua Li ; Jin-Hui Yang ; Ming-Guo Zhai
- 关键词：Diagenetic xenotime ; Monazite ; Changcheng group ; SIMS ; U&ndash ; Pb dating
- 刊名：Precambrian Research
- 出版年：2015
- 出版时间：December 2015
- 年：2015
- 卷：271
- 期：Complete
- 页码：20-32
- 全文大小：6409 K
文摘
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Autogenic minerals were tried to constrain the initial depositional time of Changcheng Group.
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SIMS U–Pb and Pb–Pb dating were conducted on monazite and xenotime at <5 μm scale.
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A wide age spectrum on a single xenotime overgrowth indicates a prolonged precipitation.
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The minimum initial depositional time of Changcheng Group is determined at 1716 ± 3 Ma.