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薜村黄土剖面位于山西临汾盆地西缘山前冲洪积扇上,剖面自上而下具浊黄色亚砂土+灰黑色垆土(含大量古文化陶片、灰坑)+红褐色古土壤+黄白色亚砂土的分层特征。通过区域地层、全新世气候特征及土壤发育过程对比,同时根据~(14)C和光释光测年的限定,确定了剖面地层的年代序列。分析表明:剖面中S_0由上、下两段界限明显的土层复合而成,上段为灰黑色垆土层,下段为红褐色古土壤,与前人所说的“填土”非常接近;全新世大的气候旋回控制了黄土-古土壤序列的发育,而且S_0成壤过程受大暖期气候的控制,全新世黄土层中出现3条厚度不等的黑垆土带,说明干冷气候背景下小的暖湿波动;冲洪积扇上的黄土多形成于晚更新世以来,分布格局与我国黄土的整体分布形势相一致。
The Loess section of the village is located on the piedmont alluvial fan at the western margin of the Linfen Basin in Shanxi Province. The section has turbid yellow sandy soil + gray-black soil (including a large number of ancient culture pots and gray pits) Stratified features of yellowish white sandy soil. Based on the comparison of the regional strata, the Holocene climatic characteristics and the soil development process, the chronological sequences of the stratigraphic strata are determined according to the dating of ~ (14) C and photoluminescence. The analysis shows that: S0 in the profile is composed of the upper and lower sections of the obvious boundaries of the composite soil, the upper section of the gray black soil layer, the lower section of the reddish brown paleosol, and formerly referred to as “filling” is very close The Holocene climatic cycle controlled the development of loess-paleosol sequences, and the S0 pedogenesis was controlled by the megatherist climate. There were three black loess strips in the Holocene loess with different thickness, indicating that the dry-cold climate The background of the small warm and humid fluctuations; alluvial fan loess formed in the late Pleistocene since the distribution pattern consistent with the overall distribution of loess in China.