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OPTICALLY STIMULATED LUMINESCENCE DATING OF LOESS-LIKE SAND-DUNE ALONG THE YELLOW RIVER VALLEY BETWEEN HENAN AND SHANNXI PROVINCES
Author(s): DU Jinhua, LU Yanzuo, WANG Xulong, KANG Shugang
Pages: 946-
955
Year: 2010
Issue:
5
Journal: Quaternary Sciences
Abstract: 通过对风陵渡-三门峡晋豫间黄河峡谷的地貌考察和1:50000 地形图(1970年)的分析,初步查明了黄河南岸黄土状沙丘的分布特征.选取河南省灵宝市豫灵镇阌底约75m高的黄土状沙丘剖面进行了观测和取样.根据该剖面的粒度分布特点,选取中颗粒(40~90μm)石英进行了光释光(OSL)测年研究.采用简化SAR法测量样品的等效剂量(De),其中5个样品与SAR法测量的De值对比,结果在误差范围内一致.对阌...
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