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Mineralogy and regolith maturity at the Chang'E-5 landing site inferred from the Lunar Mineralogical Spectrometer

文献类型：期刊论文

作者Wu, Xing7; Liu, Yang6,7; Yang, Yazhou7; Guo, Dijun7; Du, Jun7; Li, Shuai5; Lin, Honglei4; Fu, Xiaohui3,6; Xiao, Zhiyong2,6; Xu, Yuchen7
刊名EARTH AND PLANETARY SCIENCE LETTERS
出版日期2022-09-15
卷号594页码:8
关键词Chang?E-5 mission Lunar Mineralogical Spectrometer visible and near-infrared spectra mineralogy space weathering
ISSN号0012-821X
DOI10.1016/j.epsl.2022.117747
英文摘要Chang'E-5 (CE-5) landed in the northeast of the Oceanus Procellarum and successfully returned -1.73 kg lunar samples from a distinctively young mare basalt unit. The reflectance spectra between 0.45 mu m to 3.20 mu m at the landing site were acquired by the onboard Lunar Mineralogical Spectrometer before and after the sampling. The results from the spectral parameter analysis show the regolith is dominated by clinopyroxene, consistent with both orbital observations and laboratory analyses of the returned CE-5 samples. Optical maturity (OMAT) of regolith in the landing region of CE-5, Chang'E-4 (CE-4), and Chang'E-3 (CE-3) was analyzed, and the results show that the regoliths at CE-5 and CE-3 sites sitting on the ejecta blanket of the relatively young impact craters are both less mature than that at the CE-4 landing site. The OMAT and estimated content of submicroscopic metallic iron (SMFe) in the regolith show no obvious variations between the rock-shielded and unshielded regolith during the CE-5 descent, indicating the disturbance from rocket exhaust did not affect regolith maturity. Similar results on the effects of rocket exhaust were obtained from analyzing the regolith maturity along the CE-4 rover's traverse. Additionally, the surficial regolith and the scooped underlying layer in the centimeter-depth at CE-5 landing area exhibit similar maturities, suggestive of rapid gardening despite the geologically young age of the region. The results presented in this work shed light on the regolith evolution on the Moon and provide vital geological context for the analysis of the returned CE-5 samples.(c) 2022 Elsevier B.V. All rights reserved.
WOS关键词SPECTRA ; SURFACE ; MOON ; TERRANE ; IRON
资助项目China National Space Administration[D020201] ; China National Space Administration[D020203] ; National Natural Science Foundation of China[11941001] ; National Natural Science Foundation of China[42072337] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB 41000000] ; Key Research program of Chinese Academy of Sciences[ZDBS-SSW-JSC007] ; Specialized Research Fund for State Key Laboratories and Pandeng Program of National Space Science Center, Chinese Academy of Sciences ; China Postdoctoral Science Foundation[2021M700149]
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000862590200009
出版者ELSEVIER
资助机构China National Space Administration ; China National Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Key Research program of Chinese Academy of Sciences ; Key Research program of Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories and Pandeng Program of National Space Science Center, Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories and Pandeng Program of National Space Science Center, Chinese Academy of Sciences ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China National Space Administration ; China National Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Key Research program of Chinese Academy of Sciences ; Key Research program of Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories and Pandeng Program of National Space Science Center, Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories and Pandeng Program of National Space Science Center, Chinese Academy of Sciences ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China National Space Administration ; China National Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Key Research program of Chinese Academy of Sciences ; Key Research program of Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories and Pandeng Program of National Space Science Center, Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories and Pandeng Program of National Space Science Center, Chinese Academy of Sciences ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China National Space Administration ; China National Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Key Research program of Chinese Academy of Sciences ; Key Research program of Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories and Pandeng Program of National Space Science Center, Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories and Pandeng Program of National Space Science Center, Chinese Academy of Sciences ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation
源URL[http://ir.iggcas.ac.cn/handle/132A11/108337]  
专题地质与地球物理研究所_中国科学院地球与行星物理重点实验室
通讯作者Liu, Yang
作者单位1.Chinese Acad Sci, Shanghai Inst Tech Phys, Key Lab Space Act Optoelect Technol, Shanghai 200083, Peoples R China
2.Sun Yat Sen Univ, Sch Atmospher Sci, Planetary Environm & Astrobiol Res Lab, Zhuhai 519000, Peoples R China
3.Shandong Univ, Inst Space Sci, Sch Space Sci & Phys, Shandong Key Lab Opt Astron & Solar Terr Environm, Weihai 264209, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
5.Univ Hawaii Manoa, Dept Earth Sci, Honolulu, HI USA
6.Chinese Acad Sci, Ctr Excellence Comparat Planetol, Hefei 230026, Peoples R China
7.Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Wu, Xing,Liu, Yang,Yang, Yazhou,et al. Mineralogy and regolith maturity at the Chang'E-5 landing site inferred from the Lunar Mineralogical Spectrometer[J]. EARTH AND PLANETARY SCIENCE LETTERS,2022,594:8.
APA Wu, Xing.,Liu, Yang.,Yang, Yazhou.,Guo, Dijun.,Du, Jun.,...&Zou, Yongliao.(2022).Mineralogy and regolith maturity at the Chang'E-5 landing site inferred from the Lunar Mineralogical Spectrometer.EARTH AND PLANETARY SCIENCE LETTERS,594,8.
MLA Wu, Xing,et al."Mineralogy and regolith maturity at the Chang'E-5 landing site inferred from the Lunar Mineralogical Spectrometer".EARTH AND PLANETARY SCIENCE LETTERS 594(2022):8.

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来源：地质与地球物理研究所

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