ArticleProceedings of the National Academy of Sciences of the United States of America2025
A whole-scale volatile-depleted lunar interior.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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Who cites it
2 citing papers in PubMed.
- Isotopic evidence for volatile loss driven by South Pole-Aitken basin-forming impact.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- A whole-scale volatile-depleted lunar interior.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
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Authors and funding
7 authors.
Funding
Abstract
The extent of moderately volatile elements (MVE) depletion and its effects on the Moon's evolutionary history remain contentious, partly due to unintentionally biased sampling by the Apollo missions from the Procellarum KREEP Terrane. In this study, we analyzed the Zn and K isotope compositions of a series of lunar basaltic meteorites, which vary in Th content and are likely to represent a broader sampling range than previous studies, including samples from the far side of the Moon. Our findings indicate remarkably consistent Zn and K isotope compositions across all lunar basalt types, despite significant variations in Th content. This consistency suggests a relatively homogeneous isotopic composition of volatile elements within the Moon, unaffected by subsequent impact events that formed major basins. Our results suggest that the estimates of MVE abundance and isotopic compositions from the Apollo returned samples are likely representative of the bulk Moon, supporting a globally volatile-depleted lunar interior.
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