Encyclopedia of Planetary Landforms

2015 Edition
| Editors: Henrik Hargitai, Ákos Kereszturi

Crater Wall

  • Veronica J. Bray
Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-3134-3_79

Definition

Crater walls are the interior sides of a crater rim.

Synonyms

Circumvallation (Elger 1895, obsolete) terraced zone (if in a complex crater)

Description

 Simple craters have smooth walls; consisting of a single slope segment from crater floor to crater rim. Sometimes simple crater walls can have a two-tiered profile which includes a slightly shallower segment formed due to the collection of debris at the foot of the main wall slope.  complex crater walls are commonly broken up into a series of slumps or terraces ( terraced crater wall (mass wasting)) which step down into the crater (Collins 2002, p. 20).

Morphometry

Average interior slopes (S) can be determined using the equation developed by Wood and Andersson ( 1978) for fresh lunar simple craters (Fig. 1):
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References

  1. Baldwin RB (1963) The measure of the moon. University of Chicago Press, Chicago, ILGoogle Scholar
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  7. Hawke BR, Head JW (1977) Impact melt on lunar crater rims. In: Roddy DJ et al (eds) Impact and explosion cratering. Pergamon, New York, pp 815–841Google Scholar
  8. Melosh HJ (1989) Impact cratering: a geological process. Oxford University Press, New YorkGoogle Scholar
  9. Pike RJ (1968) Meteoritic origin and consequent endogenic modification of large lunar craters - a study in analytical geomprhology. USGS open file report, p. 404Google Scholar
  10. Pike RJ (1976) Crater dimensions from Apollo data and supplemental sources. Moon 15:463–477CrossRefGoogle Scholar
  11. Poelchau MH, Kenkmann T, Kring DA (2009) Rim uplift and crater shape in Meteor Crater: the effects of target heterogeneities and trajectory obliquity. J Geophys Res 114:E01006. doi:10.1029/2008JE003235Google Scholar
  12. Wood CA, Andersson L (1978) New morphometric data of fresh lunar craters. Proc Lunar Planet Sci Conf 9:3669–3689, HoustonGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Lunar and Planetary LaboratoryUniversity of ArizonaTucsonUSA