The Moon’s primordial solidification is believed to have produced a layer of dense ilmenite cumulates beneath the crust. Remnants of this layer have now been detected under the lunar nearside.
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James, P.B. Don’t judge the Moon’s interior by its cover. Nat. Geosci. 17, 282–283 (2024). https://doi.org/10.1038/s41561-024-01409-1
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DOI: https://doi.org/10.1038/s41561-024-01409-1
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