A descriptor term used in the Gazetteer of Planetary Nomenclature.
Definition
Extension of plateau having rounded lobate or tonguelike boundaries (IAU Gazetteer 2014).
Origin of Term
Lingua: tongue, Latin; lingula (dim.), small tongue.
Note
This term is assigned to features on Mars (van der Hucht 2006, p. 123). These features were previously named lobes (e.g., Ultimi Lobe) (e.g., Vasavada et al. 2000). The two main parts of the north polar cap of Mars are referred to as “main lobe” and “Gemina Lingula Lobe” (Putzig et al. 2009); a hypothesized former extension of the north polar cap is termed Olympia Lobe (corresponding to the dune-covered Olympia Planum) (Fishbaugh and Head 2000).
See Also
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References
Fishbaugh KE, Head JW III (2000) North polar region of Mars: topography of circumpolar deposits from Mars Orbiter Laser Altimeter (MOLA) data and evidence for asymmetric retreat of the polar cap. J Geophys Res 105(E9):22455. doi:10.1029/1999JE001230
IAU Gazetteer (2014) Gazetteer of planetary nomenclature. International Astronomical Union Working Group for Planetary System Nomenclature. http://planetarynames.wr.usgs.gov/
Putzig NE, Phillips RJ, Campbell BA, Holt JE et al (2009) Subsurface structure of planum boreum from Mars reconnaissance orbiter shallow radar soundings. Icarus 204:443–457
van der Hucht KA (2006) Proceedings of the XXVIth general assembly Prague 2006. Transactions of the IAU, Volume XXVIB. Cambridge University Press, Cambridge, UK
Vasavada AR, Williams J-P, Paige DA, Herkenhoff KE, Bridges NT, Greeley R, Murray BC, Bass DS, McBride KS (2000) Surface properties of Mars’ polar layered deposits and polar landing sites. J Geophys Res 105(E3):6961–6969. doi:10.1029/1999JE001108, DOI:10.1029/1999JE001108#Link to external resource: 10.1029/1999JE001108
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Hargitai, H. (2014). Lingula, Lingulae. In: Encyclopedia of Planetary Landforms. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-9213-9_616-1
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DOI: https://doi.org/10.1007/978-1-4614-9213-9_616-1
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