福建晋江颜厝老红砂的光释光测年及其环境指示意义

许岱玉, 靳建辉, 李志忠, 卫俊杰, 侯晨阳

Luminescence dating of Old Red Sand in Yancuo， Jinjiang， Fujian and its environmental significance

Daiyu Xu, Jianhui Jin, Zhizhong Li, Junjie Wei, Chenyang Hou

表3 颜厝剖面老红砂与区域内其他第四纪沉积物的地球化学特征对比

Table 3 Comparison of geochemical characteristics between Yancuo Old Red Sand and other Quaternary deposits in the study area

样品 CIA ba值 CaO Na2O MgO K2O SiO2 Al2O3 Fe2O3 TiO2 MnO YCR-01 82.065 0.233 0.125 0.107 0.187 2.506 86.318 12.550 2.665 0.539 0.042 YCR-02 82.623 0.228 0.124 0.106 0.202 2.261 85.989 11.950 2.968 0.447 0.035 YCR-03 82.546 0.230 0.110 0.135 0.203 2.159 87.946 11.269 2.787 0.459 0.039 YCR-04 85.384 0.191 0.165 0.109 0.273 2.095 80.199 14.182 3.814 0.369 0.052 网纹红土 98.917 0.024 0.120 — 0.270 0.170 56.260 23.760 6.990 0.610 — 海滩沙 45.528 1.304 0.530 — 0.060 0.140 92.570 0.560 0.350 0.180 — 风成沙 72.283 0.403 0.080 — 0.090 1.680 89.580 4.590 1.050 0.110 —