Reports

Lunar Surface Chemistry: A New Imaging Technique

Science  02 Sep 1977:
Vol. 197, Issue 4307, pp. 986-989
DOI: 10.1126/science.197.4307.986

Abstract

Detailed chemical maps of the lunar surface have been constructed by applying a new weighted-filter imaging technique to Apollo 15 and Apollo 16 x-ray fluorescence data. The data quality improvement is amply demonstrated by (i) modes in the frequency distribution, representing highland and mare soil suites, which are not evident before data filtering and (ii) numerous examples of chemical variations which are correlated with small-scale (about 15 kilometer) lunar topographic features.

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