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本文对天目山龙王庙地质剖面样品的测试分析,得出以下结论:1.古地磁揭示,该剖面主要属布容正极性世,地层年代属于Q3-Q4。2.孢粉样品组合,反映了晚更新世该区至少经历了暖湿→冷湿→暖湿的环境。3.沉积物样品中氧化物,以Al2O3和Fe2O3为主,表示该区晚更新世主要经历了冷湿→暖湿的化学风化环境,而沉积物中富含K2O特性,反映了近源沉积和来自酸性火山岩的特点;4.磁化率和沉积物微结构,亦反映了该区晚更新世以冷湿环境为主,沉积物呈多近源沉积的特征。
In this paper, the Tianmu Mountain Longwangmiao geological profile samples of the test analysis, the following conclusions: 1. Paleomagnetism reveals that the profile is mainly of positive polarity and the age of the strata belongs to Q3-Q4.2. The assemblage of sporopollen samples reflects that in the late Pleistocene, the area experienced at least warm, wet, cold, warm and wet environment. 3. Oxides in the sediment samples, mainly Al2O3 and Fe2O3, indicate that the area was mainly subjected to a chemical weathering environment of cold, wet, warm, and humid in the late Pleistocene, while the sediment is rich in K2O, reflecting near-source sediment and acid- Characteristics of volcanic rocks; 4. Magnetic susceptibility and sedimentary microstructure also reflect the late Pleistocene cold and wet environment in this area, sediment deposition was more near-source characteristics.