The Mare Humorum region of the moon - New optical, compositional, and geological inferences from Clementine

Details The Mare Humorum region of the moon - New optical, compositional, and geological inferences from Clementine The Mare Humorum region of the moon - New optical, compositional, and geological inferences from Clementine

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28..875m&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 875.

Mathematics

Logic

Lunar Surface, Clementine Spacecraft, Multispectral Photography, Lunar Maria, Anorthosite, Pixels

Scientific paper

The present paper deals with a detailed assessment of the surface properties in the Mare Humorum region of the moon. Spectral investigations have been made by means of the processing and analysis of Clementine UV/VIS multispectral data, at 340 m spatial resolution, in order to provide new insights into both optical/compositional heterogeneities and emplacement of the geological units within the basin interior and vicinity. The spatial coverage of our image-cube (more than 2.6 million spectra) maps the western part of the basin, up to the longitude of Vitello E. An extended highland area is also mapped west of the basin, including the western portion of the mare-bounding ring. Spatially coherent spectral units have been identified with the application of a new methodology, consisting in a coupled approach of a principal component analysis and an iterative linear mixing modeling. Information on maturity, iron abundance, and titanium content (mare) is also considered for the selection of the successive endmembers combinations. The results of our preliminary analyses are presented below. We discuss the information derived from the abundance maps in relation with the previous interpretations of remotely-sensed data of the region and draw inferences that document the nature and origin of the spectrally identified materials.

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