Anomalous Dome Crater

  • Henrik HargitaiEmail author
Living reference work entry



Dome-type anomalous pit crater (Croft 1983); Large dome crater (Moore and Malin 1988); Type II penepalimpsest (Passey and Shoemaker 1982)


Anomalous dome craters are 50–250 km diameter complex craters on the icy Galilean satellites. Anomalous dome craters exhibit a relatively bright, large circular dome, surrounded by a ring of rugged massifs. Surrounding this central complex is an annulus of smoothed or mottled material, the outer boundary of which is sometimes marked by a discontinuous circular lineament (Schenk 1996).

These craters differ from classical central dome craters in three respects:
  1. (1)

    Coherent rim structures are absent. They have a broad, low rise (Neith, Ganymede) (Fig. 1), incomplete outward or inward facing scarp segments (Doh, Callisto) (Fig. 2) or no observable rim (Anzu, Ganymede).

  2. (2)

    The dome-to-rim diameter ratio is roughly constant (0.4), regardless of crater size.

  3. (3)

    Anomalous dome craters are not...

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  1. Croft SK (1983) A proposed origin for palimpsests and anomalous pit craters on Ganymede and Callisto LPSC XIV. J Geophys Res Suppl 88:B71–B89CrossRefGoogle Scholar
  2. Moore JM, Malin MC (1988) Dome craters on Ganymede, Geophys. Res. Letters 15(3):225–228Google Scholar
  3. Passey QR, Shoemaker EM (1982) Craters and basins on Ganymede and Callisto – morphological indicators of crustal evolution, in: satellites of Jupiter. University of Arizona Press, TucsonGoogle Scholar
  4. Schenk PM (1996) Ganymede crater database. LPI.
  5. Schenk PM, Chapman CR, Zahnle K, Moore JM (2004) Ages and interiors: the cratering record of the Galilean Satellites. In: Bagenal F, Dowling TE, McKinnon WB (eds) Jupiter: the planet, satellites and magnetosphere. Cambridge University Press, Cambridge, p 719Google Scholar

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