Evidence for an ancient impact basin in Daedalia Planum, Mars

Details Evidence for an ancient impact basin in Daedalia Planum, Mars Evidence for an ancient impact basin in Daedalia Planum, Mars

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jgr....9510729c&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 95, July 10, 1990, p. 10729-10741.

Mathematics

Logic

19

Geomorphology, Impact Damage, Mars Craters, Mars Surface, Structural Basins, Mars Volcanoes, Meteorite Craters, Topography

Scientific paper

This paper presents observational evidence, based on Viking Orbiter and Lunar Orbiter photographs, for the morphological similarity between grooved features found in the Memnonia and Phaethontis quandrangles of Mars and the lunar Imbrium Sculpture materials. The grooved structures radiate from a source area at the approximate center of Daedalia Planum. These features are indicative of an ancient impact basin. Geologic materials, volcanolike massifs, and earth-based radar data confirm the existence of a 4500-km-diam impact basin centered in Daedalia Planum. Ages determined by geologic mappers for associated basin materials suggest that the basin was formed in the early Noachian, making the Daedalia basin one of the oldest identified basins on Mars.

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