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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.
| 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 |
| Google Analytic Metrics | Metrics page |