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Encyclopedia of Planetary Landforms pp 1–3Cite as

Anomalous Dome Crater

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Category

A type of central dome crater

Synonyms

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

Description

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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References

  • Croft SK (1983) A proposed origin for palimpsests and anomalous pit craters on Ganymede and Callisto LPSC XIV. J Geophys Res Suppl 88:B71–B89

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  • Moore JM, Malin MC (1988) Dome craters on Ganymede, Geophys. Res. Letters 15(3):225–228

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  • 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, Tucson

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  • Schenk PM (1996) Ganymede crater database. LPI. http://www.lpi.usra.edu/resources/gc/gchome.html

  • 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 719

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Authors and Affiliations

  1. Planetary Science Research Group, Eötvös Loránd University, Institute of Geography and Earth Sciences, Budapest, Hungary

    Henrik Hargitai

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  1. Henrik Hargitai
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Correspondence to Henrik Hargitai .

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© 2014 Springer Science+Business Media New York

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Hargitai, H. (2014). Anomalous Dome Crater. In: Encyclopedia of Planetary Landforms. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-9213-9_464-1

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  • DOI: https://doi.org/10.1007/978-1-4614-9213-9_464-1

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  • Publisher Name: Springer, New York, NY

  • Online ISBN: 978-1-4614-9213-9

  • eBook Packages: Springer Reference Earth and Environm. ScienceReference Module Physical and Materials ScienceReference Module Earth and Environmental Sciences

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