黄河中游地层沉积时代及其环境记录数据集
国家地球系统科学数据共享服务平台-黄河中游地层沉积时代及其环境记录数据集
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contributed at 2019-05-10
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景才瑞. 黄河中游黄土形成的冰期—风成说. 华中师院科研渝文集( 自然科学), 1965,38-46,参见数据来源中参考文献。
郑重申明：本数据由原始文献附图数字化所得，请用户在使用过程中以原始文献为准。
,该数据包括1黄河中游地层沉积的时代及其气候环境简表.2黄河中游黄土沉积过程简表. 在午城黄土、离石黄土下部、离石黄土上部与马兰黄土各层之间均发现有刹蚀面或砾石层存在。说明在整个黄土地层的沉积过程中, 在气候上替有千燥较冷与湿润温暖的多次交替的现象, 在气候干冷时期堆积黄土,在气候温湿时期形成黄土地层中的刹蚀面, 并在河谷盆地里有河湖相堆积。
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open data (2019). 黄河中游地层沉积时代及其环境记录数据集, Data Item, OpenGMS,
https://geomodeling.njnu.edu.cn/dataItem/5cd4d35d1d62b4ebc852f97a
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