Other
Scientific paper
Mar 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977rspta.285..577r&link_type=abstract
(Royal Society, Discussion on the Moon - A New Appraisal from Space Missions and Laboratory Analyses, London, England, June 9-12
Other
1
Basalt, Lunar Composition, Lunar Mantle, Lunar Rocks, Petrology, Aluminum Oxides, Crystallization, Lunar Geology, Lunar Maria, Selenology
Scientific paper
Results are summarized for experiments carried out to determine a lunar bulk composition that can provide source regions capable of yielding mare basalts. It is found that the Taylor-Jakes (1974) bulk composition containing 8.2% Al2O3 and other proposed bulk compositions containing more than 8% Al2O3 cannot provide acceptable source regions for mare basalts, regardless of whether the basalts were produced by direct partial melting, by remelting of cumulates produced in an earlier differentiation event, or by hybridization processes. The results indicate that the bulk moon should contain only about 4% Al2O3, which is similar to the content of earth's mantle or twice the (ordinary) chondritic abundance. The general resemblance between the compositions of the moon and earth's mantle is shown to imply a genetic relationship between the moon and earth and to support the hypothesis that the moon was ultimately derived from earth's mantle subsequent to the formation of earth's core.
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