Above – Inferred thorium abundance on a two-hemisphere map projection. (From Elphic, et al., 2000, and Yamashita, 2009.)
Below – Inferred samarium concentrations in the Imbrium/Procellarum regions. (From Elphic, et al., 2000.)
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Above – Inferred thorium abundance on a two-hemisphere map projection. (From Elphic, et al., 2000, and Yamashita, 2009.)
Below – Inferred samarium concentrations in the Imbrium/Procellarum regions. (From Elphic, et al., 2000.)