【摘 要】
：
For magmatic rocks,it is often found that zircon 206 Pb/238 U and 207 Pb/235 U ratios continuously plot on the concordia line with a relatively large age span for the same sample,which gives rise to large dating errors or even unrealistic dating results.A
【机 构】
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SchoolofResourcesandEnvironmentalEngineering
【基金项目】
：
financially supported by the National Natural Science Foundation of China(Grant No.41672052),the National Key R&D Program of China(Grant No.2016YFC0600203)。
论文部分内容阅读
For magmatic rocks,it is often found that zircon 206 Pb/238 U and 207 Pb/235 U ratios continuously plot on the concordia line with a relatively large age span for the same sample,which gives rise to large dating errors or even unrealistic dating results.A
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