Moon: ‘ghost’ craters formed during mare filling |
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| Authors: | D P Cruikshank W K Hartmann C A Wood |
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| Institution: | (1) Institute for Astronomy, University of Hawaii, Honolulu, H.I., USA;(2) Planetary Science Institute, Tucson, Ariz., USA;(3) Lunar and Planetary Laboratory, University of Arizona, Tucson, Ariz., USA |
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| Abstract: | This paper discusses formation of  pathological cases of crater morphology due to interaction of craters with molten lavas. Terrestrial observations of such a process are discussed. In lunar maria, a number of small impact craters (D < 10 km) may have been covered by thin layers of fluid lavas, or formed in molten lava. Some specific lunar examples are discussed, including unusual shallow rings resembling experimental craters deformed by isostatic filling.Paper dedicated to Professor Harold C. Urey on the occasion of his 80th birthday on 29 April 1973. |
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