Chasma, Chasmata

  • Henrik Hargitai
Living reference work entry

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A descriptor term used in the Gazetteer of Planetary Nomenclature.


A deep, elongated, steep-sided depression (IAU Gazetteer 2014).

Previous Definitions

Canyons (Burba 1990); Canyon. An elongated, steep-sided depression (de Vaucouleurs et al. 1975).

Origin of Term

Deep scarp, Latin; from khasko (gape, yawn) and khasma (gaping hollow), ancient Greek.

See Also


Geographical Information Descriptor Term Previous Definition 
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.


  1. Burba GA (1990) Names on the maps of Venus – a pre-Magellan review. Earth Moon Planet 50–51:541–558CrossRefGoogle Scholar
  2. de Vaucouleurs G, Blunck J, Davies M, Dollfus A, Koval IK, Kuiper GP, Masursky H, Miyamoto S, Moroz VI, Sagan C, Smith B (1975) The new Martian nomenclature of the International Astronomical Union. Icarus 26(1):85–98CrossRefGoogle Scholar
  3. IAU Gazetteer (2014) Gazetter of planetary nomenclature. International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN).

Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Planetary Science Research GroupEötvös Loránd University, Institute of Geography and Earth SciencesBudapestHungary