globalchange  > 气候减缓与适应
DOI: 10.1016/j.quascirev.2018.06.013
Scopus记录号: 2-s2.0-85048899564
论文题名:
Magnetostratigraphic dating of the Shixia red sediments and implications for formation of Nihewan paleo-lake, North China
作者: Liu P.; Yue F.; Liu J.; Qin H.; Li S.; Zhao X.; Xu J.; Yuan B.; Deng C.; Zhu R.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2018
卷: 193
起始页码: 118
结束页码: 128
语种: 英语
英文关键词: Magnetostratigraphy ; Nihewan basin ; Nihewan paleo-lake ; Red clay ; Shixia
Scopus关键词: Clay deposits ; Geochemistry ; Geomagnetism ; Lakes ; Lithology ; Mammals ; Sedimentology ; Tectonics ; Geomagnetic polarity ; Magnetostratigraphy ; Nihewan basin ; Petrographic analysis ; Red clay ; Sedimentary sequence ; Shixia ; Tectonic development ; Sediments ; biogeochemistry ; fluviolacustrine deposit ; fossil record ; graben ; lacustrine environment ; magnetic reversal ; magnetostratigraphy ; Paleolithic ; petrography ; precision ; red soil ; sedimentary sequence ; China ; Hebei ; Nihewan Basin ; Mammalia
英文摘要: The sedimentary sequence in Nihewan Basin, northern China, is rich in mammalian fossils and Paleolithic sites. Extensive magnetostratigraphic investigations have been carried out in the Nihewan sediments, but precise age control on the earliest Nihewan red sediments, which have a fluvio-lacustrine origin in the upper part and an eolian origin in the lower part, has remained unavailable. The formation process of Nihewan paleo-lake, therefore, remains unclear. Here we contribute to understanding the age of the early Nihewan reworked and eolian red clays by presenting detailed magnetostratigraphic and rock magnetic results from the Shixia section coupled with geochemical and petrographic analyses. Magnetostratigraphic correlation to the geomagnetic polarity timescale indicates that the Shixia sedimentary sequence recorded part of the Gilbert Chron with the onset of deposition of the Nihewan Formation occurring prior to the Gilbert-Gauss geomagnetic reversal at 3.6 Ma. With tectonic development of a graben basin, early red clay was deposited first in Nihewan Basin during the Early Pliocene before giving way to lacustrine environments in Nihewan paleo-lake. Geochemical and petrographic results indicate a wind-blown origin for the lower red clay deposits, which have been reworked and mixed with conglomerates produced by local tectonic activity to produce the basal Nihewan sediments. Later formation of carbonate nodules has given rise to the sediments that are now exposed in Nihewan Basin. © 2018 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/112114
Appears in Collections:气候减缓与适应

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作者单位: Key Laboratory of Computational Geodynamics, College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China; College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China; Research School of Earth Sciences, Australian National University, ACT, Canberra, 0200, Australia; Key Laboratory of Cenozoic Geology and Environment, Chinese Academy of Sciences, Beijing, 100029, China; Nihewan National Reserve, Zhangjiakou, Hebei Province 075000, China; State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, 100029, China; Institutions of Earth Science, Chinese Academy of Sciences, Beijing, 100029, China; College of History and Culture, Hebei Normal University, Shijiazhuang, 050024, China; Administration of Tourism, Culture, Radio, Television, Press and Publication, Yangyuan, 075800, China

Recommended Citation:
Liu P.,Yue F.,Liu J.,et al. Magnetostratigraphic dating of the Shixia red sediments and implications for formation of Nihewan paleo-lake, North China[J]. Quaternary Science Reviews,2018-01-01,193
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