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A large long-lived central-vent volcano in the Gardner region: Implications for the volcanic history of the nearside of the Moon
Alternative TitleWOS:000537625600009;20201908635957
Huang, Qian1; Zhao, Jiannan2,3,4; Wang, Xianmin; Wang, Taimao2; Zhang, Feng4; Qiao, Le5; Chen, Yuchao; Qiu, Denggao; Yang, Yazhou6; Xiao, Long2
Source PublicationEARTH AND PLANETARY SCIENCE LETTERS
2020
Volume542Pages:116301
DOI10.1016/j.epsl.2020.116301
ISSN0012-821X
Language英语
KeywordMoon volcanism Gardner volcanic complex central-vent volcano geological history LARGE SHIELD VOLCANOS LUNAR MARE DOMES OCEANUS PROCELLARUM SOURCE DEPTHS GRAIL PRIMARY MAGMA ERUPTIONS BASALTS AGES STRATIGRAPHY
AbstractLarge 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 degrees N, 34.1 degrees E, similar to 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. (c) 2020 Elsevier B.V. All rights reserved.
Indexed BySCI ; EI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7651
Collection中国科学院国家空间科学中心
Affiliation1.China Univ Geosci, Inst Geophys & Geomat, Hubei Subsurface Multiscale Imaging Key Lab, Wuhan, Peoples R China
2.Chinese Acad Sci, Shanghai Astron Observ, CAS Key Lab Planetary Sci, Shanghai, Peoples R China
3.China Univ Geosci, Sch Earth Sci, Planetary Sci Inst, 388 Lumo Rd, Wuhan 430074, Hubei, Peoples R China
4.China Univ Geosci, Sch Environm Studies, Wuhan, Peoples R China
5.Macau Univ Sci & Technol, State Key Lab Lunar & Planetary Sci, Macau, Peoples R China
6.Shandong Univ, Inst Space Sci, Shandong Prov Key Lab Opt Astron & Solar Terr Env, Weihai, Peoples R China
7.Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Huang, Qian,Zhao, Jiannan,Wang, Xianmin,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,2020,542:116301.
APA Huang, Qian.,Zhao, Jiannan.,Wang, Xianmin.,Wang, Taimao.,Zhang, Feng.,...&Xiao, Long.(2020).A large long-lived central-vent volcano in the Gardner region: Implications for the volcanic history of the nearside of the Moon.EARTH AND PLANETARY SCIENCE LETTERS,542,116301.
MLA Huang, Qian,et al."A large long-lived central-vent volcano in the Gardner region: Implications for the volcanic history of the nearside of the Moon".EARTH AND PLANETARY SCIENCE LETTERS 542(2020):116301.
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