Composition of the lunar crust beneath the megaregolith

Details Composition of the lunar crust beneath the megaregolith Composition of the lunar crust beneath the megaregolith

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28.1439t&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 439.

Mathematics

Logic

1

Lunar Crust, Regolith, Lunar Composition, Hypervelocity Impact, Lunar Craters, Lithology, Meteorite Craters, Spectrum Analysis, Lunar Evolution

Scientific paper

The central peaks of 109 impact craters have been analyzed in Clementine UVVIS camera multispectral images in order to assess their mineralogical composition. The craters range in diameter from 40 to 180 km, and are believed to have excavated material in the peaks from 5 to 20+ km depth. Representative five-color spectra from spectrally and spatially distinct areas within the peaks were selected and classified on a relative scale, from which mineralogical abundances were estimated. The mineralogical abundances were translated to rock types based on the classification scheme of Stoeffler et al. (1980). Preliminary results characterize a crust that is globally consistent with previous observations, models, and predictions, but very compositionally heterogeneous at local and regional scales.

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