NDLI: Impact Craters with Circular and Isolated Secondary Craters on the Continuous Secondaries Facies on the Moon

Content Provider	Springer Nature Link
Author	Zhou, Shangzhe Xiao, Zhiyong Zeng, Zuoxun
Copyright Year	2015
Abstract	On airless bodies such as the Moon and Mercury, secondary craters on the continuous secondaries facies of fresh craters mostly occur in chains and clusters. They have very irregular shapes. Secondaries on the continuous secondaries facies of some Martian and Mercurian craters are more isolated from each other in distribution and are more circular in shape, probably due to the effect of target properties on the impact excavation process. This paper studies secondaries on the continuous secondaries facies of all fresh lunar complex craters using recently-obtained high resolution images. After a global search, we find that 3 impact craters and basins on the Moon have circular and isolated secondaries on the continuous secondaries facies similar to those on Mercury: the Orientale basin, the Antoniadi crater, and the Compton crater. The morphological differences between such special secondaries and typical lunar secondaries are quantitatively compared and analyzed. Our preliminary analyses suggest that the special secondaries were probably caused by high temperature gradients within the local targets when these craters and basins formed. The high-temperature of the targets could have affected the impact excavation process by causing higher ejection angles, giving rise to more scattered circular secondaries.
Starting Page	740
Ending Page	745
Page Count	6
File Format	PDF
ISSN	1674487X
Journal	Journal of Earth Science
Volume Number	26
Issue Number	5
e-ISSN	1867111X
Language	English
Publisher	China University of Geosciences
Publisher Date	2015-10-21
Publisher Place	Wuhan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Moon, impact cratering craters comparative planetology Earth Sciences Geotechnical Engineering & Applied Earth Sciences Biogeosciences Geochemistry Geology
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences

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