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Correction to: Nature Communications https://doi.org/10.1038/s41467-026-70081-3, published online 31 March 2026 In the original HTML version of this article, Fig. 1 was incomplete and displayed only panel b. The HTML has now been corrected. The original article PDF is unaffected. Incorrect fig. 1 Correct fig.
Abstract In 2024, NASA’s Perseverance rover explored Neretva Vallis, an ancient river channel that once transported water into Jezero crater. There, the rover encountered Mg-poor mudstones with diverse alteration features. In 32 rock targets in Neretva Vallis, nickel (Ni) was detected by the SuperCam instrument with concentrations in individual rocks as high as ~1.1 weight percent – the highest abundance ever seen in bedrock on Mars.
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