关中东部全新世黄土—古土壤序列粒度组分变化特征及古气候意义

王兆夺, 黄春长, 周亚利, 庞奖励, 查小春

Characteristics of Holocene Loess-Palaeosol Particle Size Composition and Paleoclimatic Significance in East Guanzhong, Shaanxi Province

Zhaoduo Wang, Chunchang Huang, Yali Zhou, Jiangli Pang, Xiaochun Zha

表3 白水县尧禾村(YHC)剖面各端元组分含量、磁化率以及地球化学指标随深度变化对比分析简表

Table 3 Analysis of the depth change of end member contents, magnetic susceptibility and geochemical index of YHC profile

深度/cm EM1 /% EM2 /% EM3 /% 磁化率 地化指标 备注 Xlf Xhf CIA Rb/Sr 0~30 21.24 35.90 42.87 119.07 109.59 65.14 0.49 均值 (TS) 30~100 13.63 27.28 59.09 117.52 108.03 65.28 0.55 均值 (L0) 100~170 60.35 17.20 22.44 149.00 135.28 66.68 0.71 均值 ( S0) 170~220 28.45 50.71 20.84 117.64 107.40 65.38 0.56 均值 (Lt) 220~300 26.97 58.38 14.65 124.27 113.38 64.69 0.54 均值 (L1)