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Tabular comparisons of the Flynn Creek impact crater, United States, Steinheim impact crater, Germany and Snowball explosion crater, CanadaA tabular outline of comparative data is presented for 340 basic dimensional, morphological, and structural parameters and related aspects for three craters of the flat-floored, central uplift type, two of which are natural terrestrial impact craters and one is a large-scale experimental explosion crater. The three craters are part of a general class, in terms of their morphology and structural deformation that is represented on each of the terrestrial planets including the moon. One of the considered craters, the Flynn Creek Crater, was formed by a hypervelocity impact event approximately 360 m.y. ago in what is now north central Tennessee. The impacting body appears to have been a carbonaceous chondrite or a cometary mass. The second crater, the Steinheim Crater, was formed by an impact event approximately 14.7 m.y. ago in what is now southwestern Germany. The Snowball Crater was formed by the detonation of a 500-ton TNT hemisphere on flat-lying, unconsolidated alluvium in Alberta, Canada.
Document ID
19780060127
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Roddy, D. J.
(U.S. Geological Survey Flagstaff, Ariz., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1977
Subject Category
Lunar And Planetary Exploration
Meeting Information
Meeting: Symposium on Planetary Cratering Mechanics
Location: Flagstaff, AZ
Start Date: September 13, 1976
End Date: September 17, 1976
Accession Number
78A44036
Funding Number(s)
CONTRACT_GRANT: NASA ORDER W-13130
Distribution Limits
Public
Copyright
Other

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