Linear Ridge Types (Various Origins)

  • Jarmo Korteniemi
Living reference work entry


Linear positive relief feature of varying origin.

Related Term

Curvilinear ridge


Linear, near-linear, arcuate, or slightly sinuous ridges. Feature length is substantially larger than its height or width. May occur as solitary or in loose or tight groups. Linear ridges are formed by a variety of processes and are found on most solid surface bodies in the Solar System.


Linear ridges are formed by several very different processes in varying environments. The origin can be distinguished or narrowed down through detailed analysis of the surroundings and the general evolution of the planetary body in question (e.g., the existence of an atmosphere, liquid water on the surface, etc.) (Korteniemi 2009). Sediments or deposits are in certain conditions piled onto the surface into preferentially linear and positive relief features. This is caused by a linear target region for the deposited material and/or forcing by secondary phenomena (e.g., types 1–4). On the...


Fissure Eruption Planetary Body Linear Ridge Parallel Ridge Friable Material 
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© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Earth and Space Physics, Department of PhysicsUniversity of OuluOuluFinland