| Description | Authors R L Baron, E Bilson adn T Gold from the Center for Radiophysics and Space Reserch, Cornell University, Ithaca New York, and R J Colton, B Hapke and M A Steggert from the Department of Earth and Planetary Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania
Aabstract states;
ESCA spectra of lunar soil and crushed rock samples are compared to previously obtained Auger spectra of the same samples. The ESCA data confirm the increase of iron concentration on the surface of soil samples vs their bulk iron content; and strongly supports the existence of layers on the surfaces of lunar soil grains which are significantly enriched in iron, some of which is in the Fe o state. The significance of the ESCA information on the major elelmental composition of lunar soil grain surfaces for the understanding of the processes that affect the state of the regolith is discussed. |