globalchange  > 气候变化与战略
DOI: 10.1016/j.epsl.2021.117062
论文题名:
Intermittent volcanic activity detected in the Von Kármán crater on the farside of the Moon
作者: Yuan Y.; Zhu P.; Xiao L.; Huang J.; Garnero E.J.; Deng J.; Wang F.; Qian Y.; Zhao N.; Wang W.; Li W.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2021
卷: 569
语种: 英语
中文关键词: Chang'e-4 ; lunar penetrating radar ; the lunar farside ; Von Kármán crater
英文关键词: Volcanoes ; Chang'e-4 ; Lunar penetrating radar ; Penetrating radar ; Permittivity differences ; Property ; Quiescent period ; The lunar farside ; Volcanic activities ; Von Karman ; Von karman crater ; Stratigraphy ; crater ; lunar crust ; lunar mantle ; Moon ; satellite data ; satellite imagery
英文摘要: Sensitive to permittivity differences, lunar penetrating radar (LPR) can detect stratification due to material property differences in a medium. We examined the subsurface structures of Von Kármán crater within the South Pole-Aitken (SPA) basin on the farside of the Moon using LPR data obtained by the Chang'E-4 mission. Various distinct strata with depth are clearly recognized, consistent with multiple periods of intermittent lava flows, paleo-regolith, and crater ejecta. Numerous concave and arc shape structures observed at various depths are consistent with buried craters and broken rocks, indicating that the ancient lunar surfaces which are currently buried by up to 30 m deep in Von Kármán, as well as the current surface, suffered numerous impacting events. An imaged subsurface thick paleo-regolith infers a quiescent period with low volcanic activity within the Von Kármán crater. Following the quiescent period (shallower in the profile), a relatively young period of volcanism in the Von Kármán crater is inferred. The mapped stratigraphy and chronology of these events present a self-consistent history of the Von Kármán crater within the SPA, which suggests connections to events on the lunar nearside. © 2021 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/165738
Appears in Collections:气候变化与战略

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作者单位: Hubei Subsurface Multi-scale Imaging Key Laboratory, Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan, 430074, China; State Key Laboratory of Geological Processes and Mineral Resources, Planetary Science Institute, China University of Geosciences, Wuhan, 430074, China; School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, United States; Institute of Rock and Soil Mechanics, Chinese Academic of Sciences, Wuhan, 430071, China; College of Finance & Information, Ningbo University of Finance and Economics, Ningbo, 315175, China

Recommended Citation:
Yuan Y.,Zhu P.,Xiao L.,et al. Intermittent volcanic activity detected in the Von Kármán crater on the farside of the Moon[J]. Earth and Planetary Science Letters,2021-01-01,569
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