Definition
Periodic non-streamlined crests carved into cohesive material and oriented transverse to prevailing wind.
Description
Layered stratigraphy is exposed from troughs to crests of PBRs with mean wavelengths of 20–50 m (Montgomery et al. 2012) (Figs. 1 and 2).
Aeolian ridges (dark) and PBR (bright) occurring together in West Candor Chasma. Scale bar 200 m. HiRISE PSP_006164_1750 centered near 4.8°S, 283.5°E (NASA/JPL/University of Arizona)
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References
Montgomery DR, Bandfield JL, Becker SK (2012) Periodic bedrock ridges on Mars. J Geophys Res 117:E03005. doi:10.1029/2011JE003970
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Montgomery, D.R. (2014). Periodic Bedrock Ridge (Mars). In: Encyclopedia of Planetary Landforms. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-9213-9_263-1
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DOI: https://doi.org/10.1007/978-1-4614-9213-9_263-1
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