福建晋江颜厝老红砂的光释光测年及其环境指示意义
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许岱玉, 靳建辉, 李志忠, 卫俊杰, 侯晨阳
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Luminescence dating of Old Red Sand in Yancuo， Jinjiang， Fujian and its environmental significance
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Daiyu Xu, Jianhui Jin, Zhizhong Li, Junjie Wei, Chenyang Hou
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表2 颜厝剖面样品的光释光测年结果
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Table 2 Optically stimulated luminescence dating results of samples in Yancuo profile
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样品 编号 | 埋深 /m | K /% | U /(mg·kg-1) | Th /(mg·kg-1) | U/Th 比值 | De离散 系数/% | 环境剂量率 /（Gy·ka-1） | OSL-SAR 年龄/ka |
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| YCR-01 | 1.8 | 0.647±4.5 | 1.22±5.0 | 8.70±3.0 | 0.14±0.23 | 14.2±0.8 | 1.58±0.032 | 37.22±1.62 | | YCR-02 | 3.6 | 0.697±4.2 | 1.99±4.2 | 9.29±2.9 | 0.21±0.31 | 16.2±1.5 | 1.8±0.032 | 52±3.08 | | YCR-03 | 4.5 | 0.437±5.5 | 1.02±5.2 | 5.02±3.3 | 0.2±0.32 | 8.6±0.7 | 1.062±0.025 | 121.91±4.89 | | YCR-04 | 5.5 | 0.659±4.3 | 1.12±5.1 | 5.80±3.3 | 0.19±0.30 | 10.1±0.8 | 1.326±0.027 | 116.01±4.33 |
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