Oxygen isotopic composition of the Luna 20 soil |
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| Authors: | Robert N Clayton |
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| Institution: | Enrico Fermi Institute and Departments of Chemistry and Geophysical Sciences, University of Chicago, Chicago, Illinois 60637 USA |
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| Abstract: | The Luna 20 soil (< 125 μm fraction) has a relatively low δO18 (5.7%.), compared to other lunar soils (5.8 to 6.3%.). This implies either a low-O18 source material or an unusually small O18 enrichment in the processes of soil formation and maturation. |
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