globalchange  > 气候变化与战略
DOI: 10.1016/j.epsl.2020.116301
论文题名:
A large long-lived central-vent volcano in the Gardner region: Implications for the volcanic history of the nearside of the Moon
作者: Huang Q.; Zhao J.; Wang X.; Wang T.; Zhang F.; Qiao L.; Chen Y.; Qiu D.; Yang Y.; Xiao L.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2020
卷: 542
语种: 英语
中文关键词: central-vent volcano ; Gardner volcanic complex ; geological history ; Moon ; volcanism
英文关键词: Domes ; Iron oxides ; Moon ; Morphology ; Remote sensing ; Stratigraphy ; Titanium dioxide ; Bouguer gravity anomalies ; Candidate target ; Formation and evolutions ; Remote sensing data ; Volcanic activities ; Volcanic complex ; Volcanic history ; Volcanic structures ; Volcanoes ; Bouguer anomaly ; hydrothermal vent ; lunar crust ; lunar mantle ; Moon ; satellite data ; satellite imagery ; volcanic eruption ; volcanism ; volcanology
英文摘要: Large shield-building volcanic structures (>30 km) with central vents are rare on the Moon. The most popular candidate targets of lunar large shield volcanoes are volcanic complexes on the lunar nearside within the compositionally evolved Procellarum KREEP terrane (PKT). However, there is a unique mass concentrated volcanic complex not within the PKT, namely Gardner (16.1°N, 34.1°E, ∼70 km in diameter) on the northern edge of Mare Tranquillitatis, whose origin is enigmatic. Here we use multi-source remote-sensing data to assess its morphology, composition and stratigraphy to better understand its formation and evolution. Results show that domes, sinuous rilles, and an irregular depression exist in this region. Gardner has experienced four stages of volcanic activities with absolute model ages from 3.90 to 2.96 Ga, contemporaneous with the main volcanic activity periods of the lunar nearside. An area with relatively low albedo, high FeO and TiO2 contents, low rock abundances, and young surface age is identified in the southeast part of the irregular depression at the summit of the plateau, which could have been the result of a long-lived eruptive center. Quasi-circular positive Bouguer-gravity anomaly suggests either sill/laccolith intrusions or large conduit solidifications underneath this area, which could be related to its surrounding radially distributed lava domes, wrinkle ridges and faults. We conclude that Gardner is the largest central-vent volcano identified so far on the Moon, and it provides an essentially new perspective and supplement for the knowledge of the lunar nearside volcanism. © 2020 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/165038
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, China; CAS Key Laboratory of Planetary Sciences, Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai, China; Planetary Science Institute, School of Earth Sciences, China University of Geosciences, Wuhan, China; School of Environmental Studies, China University of Geosciences, Wuhan, China; State Key Laboratory of Lunar and Planetary Sciences, Macau University of Science and Technology, Macau, China; Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai, China; State Key Laboratory of Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, China

Recommended Citation:
Huang Q.,Zhao J.,Wang X.,et al. A large long-lived central-vent volcano in the Gardner region: Implications for the volcanic history of the nearside of the Moon[J]. Earth and Planetary Science Letters,2020-01-01,542
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