通过对黄土高原中部朝那剖面黄土-古土壤序列系统的岩石磁学分析,建立了1。
Based on detailed rock magnetic analyses of loess-paleosol sequence at Chaona section in the central loess Plateau, a high-resolution environmental magnetic framework has been built up for last 1.
本文以郑州邙山赵下峪剖面为例,研究了黄土-古土壤序列的容重及其与磁化率、粒度的关系。
Taking Zhaoxiayu section, Mangshan, Zhengzhou as an example, this paper has studied the volumetric weight of loess palaeosol sequences and its relation with susceptibility as well as its grain size.
微米级磁性矿物在黄土-古土壤序列中含量不足1%,为了满足多种测试的需要,要尽可能地富集磁性矿物。
Micron grade magnetic minerals are less than 1%of total minerals in the loess paleosol sequences. To satisfy requirements of a lot of kind of measurement, it needs to enrich the magnetic minerals.
因此,黄土-古土壤序列中元素含量的分布、化学综合参数等地球化学特征都对环境变化有直接的指示意义,代表了该区域化学风化的强度及时空规律。
Accordingly, the distribution of elements content and the chemical parameter all can show the variety of environment and intension of weathering in the Weihe Valley.
完整的陕西大荔人遗址剖面由上部黄土—古土壤序列和下部砂土地层两部分组成。
The intact stratigraphic profile at the Dali Man site consists of the upper Loess-Paleosol series and the lower sandy soil series.
野外考察重点考察在晚更新世黄土—古土壤序列及同时期不同岩性地层单位间的差异。
The excursion will focus on Late Pleistocene loess-palaeosol sequences in the area and the differentiation of coeval lithostratigraphic units.
野外考察重点考察在晚更新世黄土—古土壤序列及同时期不同岩性地层单位间的差异。
The excursion will focus on Late Pleistocene loess-palaeosol sequences in the area and the differentiation of coeval lithostratigraphic units.
应用推荐