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Martian planetwide crater distributions - Implications for geologic history and surface processesThree different diameter size ranges are considered in connection with the Martian crater distribution, taking into account small craters from 0.6 to 1.2 km, intermediate-sized craters from 4 to 10 km, and large craters with diameters exceeding 20 km. One of the objectives of the investigation reported is to establish the effects of eolian processes in the modification of craters in the different size ranges. Another objective is concerned with a description of the genetic relationships among the three size ranges of craters. Observables related to the relative age of geologic provinces are to be separated from observables related to geographic variations in eolian transport and deposition. Lunar and Martian cratering histories are compared as a basis for establishing relative and absolute time scales for the geological evolution of Mars.
Document ID
19750027104
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Soderblom, L. A.
Condit, C. D.
West, R. A.
Herman, B. M.
Kreidler, T. J.
(U.S. Geological Survey, Center of Astrogeological Studies, Flagstaff, Ariz.; California Institute of Technology, Pasadena Calif., United States)
Date Acquired
August 8, 2013
Publication Date
July 1, 1974
Publication Information
Publication: Icarus
Volume: 22
Subject Category
Lunar And Planetary Exploration
Accession Number
75A11176
Funding Number(s)
CONTRACT_GRANT: NASA ORDER W-13204
CONTRACT_GRANT: NASA ORDER W-12872
CONTRACT_GRANT: NAS7-100
CONTRACT_GRANT: NASA ORDER WO-8122
Distribution Limits
Public
Copyright
Other

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