Boulder Halo (Crater)

  • Joseph LevyEmail author
  • Henrik Hargitai
Living reference work entry
DOI: https://doi.org/10.1007/978-1-4614-9213-9_20-1

Definition

Boulders in concentric pattern associated with circular fractures or depression in a thick mantling layer observed on Mars.

Synonyms

Subtypes

Boulder halos (Figs. 1, 2, 3, and 4) have been observed on flat surface, along concentric fractures and bordering depressions (Levy et al. 2010: Fig. 11).

Keywords

Flat Surface Plane Surface Current Location Present Position Stratigraphic Level 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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References

  1. Barata T, Alves EI, Machado A, Barberes GA (2012) Characterization of palimpsest craters on Mars. Planet Space Sci. doi:http://dx.doi.org/10.1016/j.pss.2012.09.015Google Scholar
  2. Levy JS, Head JW, Marchant DR (2008) Origin and arrangement of boulders on the Martian northern plains: assessment of emplacement and modification environments. LPSC XXXIX:1172Google Scholar
  3. Levy JS, Marchant DR, Head JW (2010) Thermal contraction crack polygons on Mars: a synthesis from HiRISE, Phoenix, and terrestrial analog studies. Icarus 206:229–252CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Institute for GeophysicsUniversity of TexasAustinUSA
  2. 2.Planetary Science Research GroupEötvös Loránd University, Institute of Geography and Earth SciencesBudapestHungary