Circular feature among dunes of the Great Sand Sea, Egypt

Details Circular feature among dunes of the Great Sand Sea, Egypt Circular feature among dunes of the Great Sand Sea, Egypt

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981sci...213..439e&link_type=abstract

Science, vol. 213, July 24, 1981, p. 439, 440.

Mathematics

Logic

5

Earth, Craters, Features, Dunes, Landsat, Morphology, Morphometry, Characteristics, Mars, Viking Orbiters, Cerberus Region, Winds, Eolian Processes, Photographs, Comparisons

Scientific paper

A circular crater, about 4 kilometers in diameter and located at 24.2 deg N, 26.4 deg E, was discovered in Landsat images among the linear dunes of the Great Sand Sea, Egypt. The crater has a sharp and crenulated rim crest, a terraced wall, a discontinuous inner structure (approximately 1.6 kilometers in diameter), and a few rim blocks. Its morphological and morphometric characteristics are similar to those of meteorite impact craters and other circular structures on the moon and the terrestrial planets. Because of its interaction with windblown sand, it is particularly comparable with craters on Mars.

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