Detectability of subsurface interfaces in lunar maria by the LRS/SELENE sounding radar: Influence of mineralogical composition

Details Detectability of subsurface interfaces in lunar maria by the LRS/SELENE sounding radar: Influence of mineralogical composition Detectability of subsurface interfaces in lunar maria by the LRS/SELENE sounding radar: Influence of mineralogical composition

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010georl..3703201p&link_type=abstract

Geophysical Research Letters, Volume 37, Issue 3, CiteID L03201

Computer Science

Sound

5

Planetary Sciences: Solar System Objects: Moon (1221), Planetary Sciences: Comets And Small Bodies: Interiors (8147), Planetary Sciences: Comets And Small Bodies: Composition (1060), Planetary Sciences: Comets And Small Bodies: Volcanism (5480, 8450), Planetary Sciences: Comets And Small Bodies: Instruments And Techniques

Scientific paper

The Lunar Radar Sounder (LRS) of the SELENE mission has detected horizontal subsurface features at depths of a few hundreds of meters within all major lunar maria. We have mapped these features at global scale and found a heterogeneous geographical distribution, which correlates negatively with the maps of TiO2 and FeO obtained from UV-VIS measurements by the Clementine probe. High concentration of ilmenite (FeTiO3) in the basaltic mare lava can explain this correlation, this mineral being a strong absorber for low frequency electromagnetic waves. Thus, absence of detection of subsurface interfaces by LRS on a large portion of lunar maria does not necessarily imply that these interfaces are actually absent.

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