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Fresh lunar impact craters: Review of variations in size

Geochimica et Cosmochimica Acta
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Abstract

Thirty-three morphologic characteristics are reviewed for fresh lunar impact craters wide than1 km. Bar graphs express the way each characteristic varies with crater size. The features are grouped as crater structure, ejecta, and downhill flow features. Major structural transition occur at diameters of about 15 and 200 km. Details of the ejecta blanket, which include several kinds of lineations, dunelike ridges, troughs, and lobes, reflect different transport regimes in the ejecta. Some materials at larger craters flowed downhill in lavalike fashion after the ejecta was deposited; the lavalike materials are probably impact melt.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Fresh lunar impact craters: Review of variations in size
Series title Geochimica et Cosmochimica Acta
Volume 1
Year Published 1974
Language English
Publisher Lunar and Planetary Institute
Contributing office(s) Geology, Minerals, Energy, and Geophysics Science Center
Description 9 p.
First page 61
Last page 69
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