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A plagioclase-rich rock measured by Yutu-2 Rover in Von Karman crater on the far side of the Moon
Alternative TitleWOS:000554912400014
Ma, Pei; Sun, Yuxue; Zhu, Meng-Hua; Yang, Yazhou3; Hu, Xiaoyi; Jiang, Te; Zhang, Hao2; Lucey, Paul G.; Xu, Rui5; Li, Chunlai5; He, Zhiping5; Xue, Bin6; Yang, Jianfeng6; Huang, Changning7; Lin, Hongyu7
Source PublicationICARUS
2020
Volume350Pages:113901
DOI10.1016/j.icarus.2020.113901
ISSN0019-1035
Language英语
KeywordSpectroscopy Moon Surface Mineralogy POLE-AITKEN BASIN SITU OPTICAL MEASUREMENTS CHANGE-4 LANDING SITE EJECTA DISTRIBUTION SHOCK METAMORPHISM ORIENTALE BASIN SPECTRAL SURVEY QUARTZ SAND IMPACT TEMPERATURE
AbstractThe Chang'E-4 spacecraft successfully landed in Von K.arm.an crater inside the South Pole-Aitken basin on the lunar far side on January 3, 2019 and the Yutu-2 Rover has performed explorations on the lunar surface for nine lunar days as of September 2019. Our earlier analysis of the visible and near-infrared spectrometer measurements made by the Yutu-2 rover during the first two lunar days shows that the regolith of the landing site may have come from the nearby Finsen crater and is dominated by plagioclase with lesser amount of mafic minerals. During its third lunar day explorations, the Yutu-2 photographed a small piece of lunar rock and measured its reflectance spectra. Compared with the spectra of its surrounding regolith, this rock's spectrum has deeper absorption features, indicating its fresher nature. To obtain the mineralogy of the rock, we compared the rock's spectrum with the spectral library data of NASA's reflectance experiment laboratory of returned lunar rocks and lunar meteorites. We found that this rock is also plagioclase-rich with a possible plagioclase abundance of 60-80 vol%. A source region analysis using the Moon Mineralogy Mapper's remote sensing observations indicates this rock was ejected from the Zhinyu crater, about 30 km west of the landing site, rather than directly from the Finsen crater. Numerical simulations of the Zhinyu crater on the impact cratering process and ejecta thickness distribution confirmed our findings and imply that the surficial materials at the CE-4 landing site experienced a complicated evolution rather than simply retaining the pristine or primordial ejecta directly from the Finsen crater.
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7505
Collection中国科学院国家空间科学中心
Affiliation1.China Univ Geosci, Sch Earth Sci, Planetary Sci Inst, Wuhan, Peoples R China
2.Macau Univ Sci & Technol, State Key Lab Lunar & Planetary Sci, Taipa, Macau, Peoples R China
3.CAS Ctr Excellence Comparat Planetol, Hefei, Peoples R China
4.Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing, Peoples R China
5.Lucey, Paul G.] Univ Hawaii, Hawaii Inst Geophys & Planetol, Honolulu, HI 96822 USA
6.Chinese Acad Sci, Shanghai Inst Tech Phys, Key Lab Space Act Optoelect Technol, Shanghai, Peoples R China
7.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian, Peoples R China
8.China Acad Space Technol, Beijing Inst Space Mech & Elect, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Ma, Pei,Sun, Yuxue,Zhu, Meng-Hua,et al. A plagioclase-rich rock measured by Yutu-2 Rover in Von Karman crater on the far side of the Moon[J]. ICARUS,2020,350:113901.
APA Ma, Pei.,Sun, Yuxue.,Zhu, Meng-Hua.,Yang, Yazhou.,Hu, Xiaoyi.,...&Lin, Hongyu.(2020).A plagioclase-rich rock measured by Yutu-2 Rover in Von Karman crater on the far side of the Moon.ICARUS,350,113901.
MLA Ma, Pei,et al."A plagioclase-rich rock measured by Yutu-2 Rover in Von Karman crater on the far side of the Moon".ICARUS 350(2020):113901.
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