Collisionally Processed Rocks on Mars

The Pathfinder landing site on Mars has boulders that may be cratered (Stimpy), split (Chimp), fragmented (Book End and Flat Top), or otherwise partly destroyed (Yogi and Frog) by collisional processes. Atmospheric-entry calculations show that centimeter-sized projectiles survive passage through the...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1999-09, Vol.285 (5436), p.2105-2107
Main Authors: Hörz, Friedrich, Cintala, Mark J., Rochelle, W. C., Kirk, B.
Format: Article
Language:English
Subjects:
Astronomy
Boulders
Chondrites
Cosmochemistry. Extraterrestrial geology
Craters
Discovery and exploration
Earth sciences
Earth, ocean, space
Earths Moon
Ejecta
Evidence
Exact sciences and technology
Extraterrestrial geology
Geology
Impact craters
Landing sites
Mars
Mars (Planet)
Natural history
Planets
Projectiles
Rocks
Soil air
Stone
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Summary:The Pathfinder landing site on Mars has boulders that may be cratered (Stimpy), split (Chimp), fragmented (Book End and Flat Top), or otherwise partly destroyed (Yogi and Frog) by collisional processes. Atmospheric-entry calculations show that centimeter-sized projectiles survive passage through the martian atmosphere and encounter the surface of Mars at velocities of a few kilometers per second. Craters less than 1 meter in diameter may contribute to the evolution of the martian surface and its soils.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.285.5436.2105