Floor-fractured craters on the moon and Mars

Details Floor-fractured craters on the moon and Mars Floor-fractured craters on the moon and Mars

Dec 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978metic..13..622s&link_type=abstract

(Meteoritical Society, Annual Meeting, 41st, Sudbury, Ontario, Canada, Aug. 14-17, 1978.) Meteoritics, vol. 13, Dec. 31, 1978, p

Computer Science

3

Impact Damage, Lunar Craters, Mars Craters, Meteoritic Damage, Basalt, Cratering, Morphology, Topography

Scientific paper

Impact craters on the moon provided primary pathways for volcanic eruptions through shock-induced fractures that immediately or subsequently tap magma reservoirs. Evidence for this process includes unbreached lava-filled craters and fractured crater floors with associated eruptives. Over 200 craters with floor fractures have been identified on the moon. They commonly occur along the margins of irregular maria, thereby suggesting a link to this important phase of lunar volcanism. Topographic data reveal small elevation differences between the summit of the remnant central peaks and crater rim, and in many cases suggest that floor fracturing resulted from a tabular intrusion localized beneath the crater with uplift of the crater floor. A comparison of lunar and Martian crater photographs shows that some Martian craters also exhibit similar highly localized endogenic modifications.

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