腾格里沙漠西南缘土门剖面微量元素记录的MIS3高分辨率季风环境变化
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陈敏, 李保生, 王丰年, 牛东风, 温小浩, 舒培仙, 司月君, 杨庆江, 王晨
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High-resolution monsoonal environment change in MIS3 based on trace elements in the Tumen Section on the southweest edge of Tegger Desert
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Min Chen, Baosheng Li, Fengnian Wang, Dongfeng Niu, Xiaohao Wen, Peixian Shu, Yuejun Si, Qinjiang Yang, Chen Wang
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表2 TMS3一些层位的热释光(TL)和光释光(OSL)测定结果及其参数
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Table 2 TL and OSL dating results and parameters in some horizons of the TMS3
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采样层号 (实验室编号) | 深度 /m | U/10-6 | Th/10-6 | K/% | 等效剂量 E.D/Gy | 年剂量 /mGy | 含水量 /% | 年龄 /a | 实验 方法 |
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68Ld(TGD813) | 13.74 | 2.07±0.10 | 9.97±0.20 | 1.97±0.016 | 102.00±9.90 | 3.47±0.10 | 5 | 29 400±2 900 | TL | 69D(TGD821) | 13.96 | 2.12±0.11 | 14.72±0.30 | 1.90±0.015 | 118.00±11.21 | 3.81±0.11 | 5 | 31 000±2 900 | TL | 70L(TGD814) | 14.09 | 1.61±0.08 | 14.73±0.30 | 1.88±0.015 | 147.90±11.00 | 4.58±0.14 | 8 | 32 100±3 000 | TL | 76L(TGD796) | 14.80 | 1.12±0.06 | 16.12±0.32 | 2.34±0.019 | 159.60±12.00 | 4.19±0.13 | 10 | 38 100±3 800 | TL | 82LD(14G-453) | 15.70 | 2.18±0.09 | 8.98±0.26 | 1.70±0.06 | 154.21±1.04 | 3.37±0.13 | 5 | 45 700±1 900 | OSL | 95D(14G-454) | 17.51 | 1.92±0.08 | 7.69±0.23 | 1.76±0.06 | 197.16±3.11 | 3.20±0.13 | 5 | 61 500±2 600 | OSL |
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