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Magnetostratigraphy of a late Miocene-Pliocene loess-soil sequence in the western Loess Plateau in China | |
Hao, QZ; Guo, ZT | |
2004-05-12 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
卷号 | 31期号:9 |
文章类型 | Article |
摘要 | Eolian deposits of Pliocene age have never been reported from the western Loess Plateau in China. Here, a 73.7 m eolian sequence is dated using magnetostratigraphic method and micromammalian fossils. The polarity zonation correlates with the geomagnetic polarity timescale (GPTS), from Chron 3Br.1r to Chron 2An.3n, indicating an age from 7.10 to 3.52 Ma BP. The sequence is characterized by clear expression of eighty-four pairs of loess and soil layers while individual soils are basically indefinable for the eolian deposits of the same age in the eastern Loess Plateau, suggesting that the later has experienced other geological processes. This sequence extends the upper limit of the previously reported Miocene loess-soil sequences at Qinan into the Pliocene, about 3.52 Ma BP. |
学科领域 | Geology |
DOI | 10.1029/2003GL019392 |
关键词[WOS] | NORTHERN CHINA ; RED CLAY ; SEDIMENTS ; DEPOSITS ; ORIGIN ; RECORD ; UPLIFT ; ONSET |
收录类别 | SCI ; SCIE |
语种 | 英语 |
WOS研究方向 | Geosciences, Multidisciplinary |
WOS记录号 | WOS:000221473100002 |
出版者 | AMER GEOPHYSICAL UNION |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ieecas.cn/handle/361006/11934 |
专题 | 黄土与第四纪地质国家重点实验室(1985-2004) |
推荐引用方式 GB/T 7714 | Hao, QZ,Guo, ZT. Magnetostratigraphy of a late Miocene-Pliocene loess-soil sequence in the western Loess Plateau in China[J]. GEOPHYSICAL RESEARCH LETTERS,2004,31(9). |
APA | Hao, QZ,&Guo, ZT.(2004).Magnetostratigraphy of a late Miocene-Pliocene loess-soil sequence in the western Loess Plateau in China.GEOPHYSICAL RESEARCH LETTERS,31(9). |
MLA | Hao, QZ,et al."Magnetostratigraphy of a late Miocene-Pliocene loess-soil sequence in the western Loess Plateau in China".GEOPHYSICAL RESEARCH LETTERS 31.9(2004). |
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