Definition
Plains on Mercury and other bodies that show fewer craters than the oldest terrains on the planet (heavily cratered terrain) but which are more cratered (and so are older) than smooth plains
Description
Intercrater plains on Mercury (Fig. 1) form a nearly level or rolling surfaces covering about 40 % of the planet. Intercrater plains resemble smooth plains in color and reflectance and probably have broadly similar composition (Denevi et al. 2009). Preliminary X-ray fluorescence data from MESSENGER show a higher Mg/Si ratio for intercrater plains than for smooth plains and considerably higher than for terrestrial or lunar lavas (Weider et al. 2012). The high Mg/Si and low Fe/Si ratios (Nittler et al. 2011...
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Rothery, D.A., Kereszturi, Á. (2014). Intercrater Plains. In: Encyclopedia of Planetary Landforms. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-9213-9_197-1
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DOI: https://doi.org/10.1007/978-1-4614-9213-9_197-1
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