Distribution of 28 elements in size fractions of lunar mare and highlands soils

Details Distribution of 28 elements in size fractions of lunar mare and highlands soils Distribution of 28 elements in size fractions of lunar mare and highlands soils

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977gecoa..41.1073b&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 41, Aug. 1977, p. 1073-1082.

Computer Science

4

Geochemistry, Lunar Composition, Lunar Maria, Lunar Soil, Concentration (Composition), Lithology, Trace Elements

Scientific paper

Four volatile, six siderophile and 18 generally lithophile elements were determined in six sieve fractions of mare soil 15100 (moderately mature) and seven sieve fractions of highlands soil 66080 (highly mature). Previous work (Boynton et al., 1976) showed that the volatile elements in lunar soils were enriched in the finest size fraction relative to the coarsest factors by up to about 20. The present investigation tests Boynton's interpretation that the distribution pattern of the volatiles indicates the presence of two components: a volume-correlated component having volatile concentrations independent of grain size and a surface-correlated component with concentration increasing with decreasing grain size.

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