Definition
Simple impact crater exhibiting a conical shape.
Description
A conical crater lacks the characteristics of a complex crater like wall terraces and a central peak or pit. From this reason a conical crater is not classified as a complex but as a simple crater. However, while a classical simple crater has a nearly parabolic (bowl) shape (Melosh 1989), a conical crater is another type of simple crater exhibiting smooth, about constant-slope walls that taper towards the bottom. Its shape can be approximated by an inverted cone with a truncated cusp. The floor area is small compared to the rim area (Fig. 1). Visually a conical crater can be identified by its shadow contours (Fig. 2).
References
Garvin JB et al (2011) Linne: simple lunar mare crater geometry from LRO observations. 42nd Lunar and Planetary Science Conference, Houston, abstract# 2063
Giese B, Neukum G, Roatsch T, Denk T, Rorco CC (2006) Topographic modeling of Phoebe using Cassini images. Planet Space Sci 54:1156–1166
Housen KR, Holsapple KA, Voss ME (1999) Compaction as the origin of unusual craters on asteroid Mathilde. Nature 402:155–157
Melosh HJ (1989) Impact cratering. Oxford University Press, New York
Piekutowski A (1977) Cratering mechanisms observed in laboratory-scale high-explosive experiments. In: Roddy DJ, Pepin RO, Merrill RB (eds) Impact and explosion cratering. Pergamon Press, New York
Scholten F et al (2012) GLD100 – the near global lunar 100 m raster DTM from LROC WAC stereo image data. J Geophys Res. doi:10.1029/2011JE003926
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Giese, B. (2014). Conical Crater. In: Encyclopedia of Planetary Landforms. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-9213-9_66-1
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DOI: https://doi.org/10.1007/978-1-4614-9213-9_66-1
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