High-Relief Ridge

Living reference work entry
DOI: https://doi.org/10.1007/978-1-4614-9213-9_185-1


Narrow, linear to arcuate feature in plain view that occurs on silicate bodies (e.g., Mars, Mercury) thought to have experienced local-, regional-, or global-scale contraction. High-relief ridges are likely a morphological variant of lobate scarps, which are interpreted to be the surface expressions of reverse faulting.



Up to hundreds of kilometers long, are positive-relief landforms that deform surface units as well as the walls and floors of impact craters (Watters et al. 2009 and references therein). Rare in comparison with lobate scarps, high-relief ridges often show a transition with them (Fig. 1), suggesting that high-relief ridges and lobate scarps are similar expressions of the same process (Head et al. 2007; Watters et al. 2009; Watters and Nimmo 2010; Byrne et al. 2014).


Reverse Fault Planetary Body Mare Basalt Linear Ridge Dike Intrusion 
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© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Dipartimento di Geoscienze and CISASUniversità degli Studi di PadovaPadovaItaly
  2. 2.Lunar and Planetary InstituteUniversities Space Research AssociationHoustonUSA