Apparent timing and duration of the Matuyama-Brunhes geomagnetic reversal in Chinese loess | |
Hui Zhao; X.K. Qiang; Y.B. Sun | |
2014-11 | |
发表期刊 | Geochemistry, Geophysics, Geosystems |
卷号 | 15期号:11页码:4468–4480 |
摘要 | The Matuyama-Brunhes (MB) geomagnetic reversal in Chinese loess has been studied extensively as an important boundary for land-ocean stratigraphic and paleoclimatic correlations. However, the apparent timing and duration of the MB boundary remain controversial in Chinese loess deposits due to its inconsistent stratigraphic position and the uncertain chronologies. Here we synthesized high-resolution paleomagnetic records from four loess sequences in the central Chinese Loess Plateau and synchronized the loess-paleosol chronology by matching the grain-size variations to orbitally tuned grain-size time series. The synthesized paleomagnetic results reveal consistent features of the MB transition in Chinese loess, including the stratigraphic position (L8/S8 transition), timing (∼808–826 ka), duration (∼14–16 ka), and rapid directional oscillations. Compared with the MB transition in marine records (770–775 ka), the timing of the MB transition is relatively older and longer in Chinese loess, due to a complex interplay between different remanence acquisition mechanisms which occurred during the course of postdepositional physical and chemical processes. |
关键词 | Chinese Loess Apparent Timing |
学科领域 | 地质学 |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000348060800019 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ieecas.cn/handle/361006/2618 |
专题 | 古环境研究室 |
推荐引用方式 GB/T 7714 | Hui Zhao,X.K. Qiang,Y.B. Sun. Apparent timing and duration of the Matuyama-Brunhes geomagnetic reversal in Chinese loess[J]. Geochemistry, Geophysics, Geosystems,2014,15(11):4468–4480. |
APA | Hui Zhao,X.K. Qiang,&Y.B. Sun.(2014).Apparent timing and duration of the Matuyama-Brunhes geomagnetic reversal in Chinese loess.Geochemistry, Geophysics, Geosystems,15(11),4468–4480. |
MLA | Hui Zhao,et al."Apparent timing and duration of the Matuyama-Brunhes geomagnetic reversal in Chinese loess".Geochemistry, Geophysics, Geosystems 15.11(2014):4468–4480. |
条目包含的文件 | ||||||
文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
ggge20604.pdf(1411KB) | 开放获取 | CC BY-NC-SA | 请求全文 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论