气候变化领域集成服务门户(CCPortal): The Tharsis mantle source of depleted shergottites revealed by 90 million impact craters

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DOI	10.1038/s41467-021-26648-3
	The Tharsis mantle source of depleted shergottites revealed by 90 million impact craters
	Lagain A.; Benedix G.K.; Servis K.; Baratoux D.; Doucet L.S.; Rajšic A.; Devillepoix H.A.R.; Bland P.A.; Towner M.C.; Sansom E.K.; Miljković K.
发表日期	2021
ISSN	2041-1723
卷号	12 期号:1
英文摘要	The only martian rock samples on Earth are meteorites ejected from the surface of Mars by asteroid impacts. The locations and geological contexts of the launch sites are currently unknown. Determining the impact locations is essential to unravel the relations between the evolution of the martian interior and its surface. Here we adapt a Crater Detection Algorithm that compile a database of 90 million impact craters, allowing to determine the potential launch position of these meteorites through the observation of secondary crater fields. We show that Tooting and 09-000015 craters, both located in the Tharsis volcanic province, are the most likely source of the depleted shergottites ejected 1.1 million year ago. This implies that a major thermal anomaly deeply rooted in the mantle under Tharsis was active over most of the geological history of the planet, and has sampled a depleted mantle, that has retained until recently geochemical signatures of Mars’ early history. © 2021, The Author(s).
语种	英语
scopus关键词	crater; database; impact structure; mantle source; Mars; shergottite; temperature anomaly; article; astronomy; detection algorithm; Asteroidea
来源期刊	Nature Communications
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/251318
作者单位	Space Science and Technology Centre, School of Earth and Planetary Science, Curtin University, Perth, WA, Australia; Department of Earth and Planetary Sciences, Western Australian Museum, Perth, WA, Australia; Planetary Sciences Institute, Tucson, AZ, United States; CSIRO—Pawsey Supercomputing Centre, Kensington, WA, Australia; Géosciences Environnement Toulouse, University of Toulouse, CNRS & IRD, 14, Avenue Edouard Belin, Toulouse, 31 400, France; University Félix Houphouët-Boigny, UFR Sciences de la Terre et des Ressources Minières, Abidjan-Cocody, Cote d'Ivoire; Earth Dynamics Research Group, TIGeR, School of Earth and Planetary Sciences, Curtin University, Perth, WA, Australia
推荐引用方式 GB/T 7714	Lagain A.,Benedix G.K.,Servis K.,et al. The Tharsis mantle source of depleted shergottites revealed by 90 million impact craters[J],2021,12(1).
APA	Lagain A..,Benedix G.K..,Servis K..,Baratoux D..,Doucet L.S..,...&Miljković K..(2021).The Tharsis mantle source of depleted shergottites revealed by 90 million impact craters.Nature Communications,12(1).
MLA	Lagain A.,et al."The Tharsis mantle source of depleted shergottites revealed by 90 million impact craters".Nature Communications 12.1(2021).