金沙江龙街段晚更新世以来的阶地发育与河谷地貌演化
刘芬良, 高红山, 李宗盟, 潘保田, 苏怀

Terraces Development and Their Implications for Valley Evolution of the Jinsha River Since Late Pleistocene near Longjie, Yunnan
Fenliang Liu, Hongshan Gao, Zongmeng Li, Baotian Pan, Huai Su
表1 金沙江龙街段河流阶地ESR年代及相关参数
Table 1 ESR ages and related parameters of Jinsha River in Longjie
测年部位测年物质采样深度/mU/(μg/g)TU/(μg/g)K2O/%含水量/%古剂量/Gy年剂量/(Gy/ka)年龄/ka
T1砾石层砂2.01.478.471.481.7644.9±4.42.5318±1.7
T2砾石层砂1.52.017.161.581.0561.9±3.72.6823±1.4
T3砾石层砂0.51.678.911.560.2871.7±6.62.7326±2.4
T5砾石层砂1.01.7810.601.602.29223.0±34.02.8578±12.0