In situ evidence for serpentinization within the Máaz formation, Jezero crater, Mars

IF 12.5 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Science Advances Pub Date : 2025-07-02 DOI:10.1126/sciadv.adr8793

Nicholas J. Tosca, Michael M. Tice, Joel A. Hurowitz, David A. K. Pedersen, Jesper Henneke, Lucia Mandon, Francis M. McCubbin, Oliver Ross, Po-Yen Tung, Richard J. Harrison, An Li, Mariek E. Schmidt, Tanya V. Kizovski, Yang Liu, Lisa Mayhew, Michael W. M. Jones, Josh Labrie, Scott Davidoff, Abigail C. Allwood, Olivier Beyssac, Adrian Brown, Morgan Cable, Jade Comellas, Benton C. Clark, Adrian E. Galvin, Briony Horgan, Christopher M. Heirwegh, Peter Nemere, Brendan J. Orenstein, Cathy Quantin-Nataf, Clément Royer, Allan Treiman, Lawrence A. Wade, Roger Wiens, Austin P. Wright

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Abstract

As both a source of atmospheric H₂ and a sink for liquid water, the serpentinization of olivine-bearing rocks is widely thought to have influenced the long-term evolution of the early martian atmosphere and hydrosphere. However, the mechanisms, timing, and global importance of this process are unconstrained, in part because the remnants of ancient serpentinizing systems have not been examined in situ. New geochemical and mineralogical data from multiple instruments aboard the Mars 2020 Perseverance rover record serpentinization and associated H₂ production in ancient igneous rocks of the Máaz formation, exposed on the Jezero crater floor. These data, combined with petrogenetic constraints, indicate that serpentinization may have been driven by devolatilization of magmatic H₂O, highlighting a potential link between H₂ production and the style and tempo of magmatism within the ancient martian crust.

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火星耶泽洛陨石坑Máaz地层内蛇纹石化的现场证据

作为大气H2的来源和液态水的汇，含橄榄石岩石的蛇纹石化被广泛认为影响了早期火星大气和水圈的长期演化。然而，这一过程的机制、时间和全球重要性是不受限制的，部分原因是古代蛇纹石化系统的残余尚未在原位进行检查。来自火星2020“毅力号”探测器上的多种仪器的新的地球化学和矿物学数据记录了在耶泽罗陨石坑底部暴露的Máaz地层的古老火成岩中的蛇纹石化和相关的H2生成。这些数据，结合岩石成因的限制，表明蛇纹岩化可能是由岩浆水的脱挥发驱动的，突出了H2的产生与古火星地壳岩浆活动的风格和速度之间的潜在联系。

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来源期刊

Science Advances 综合性期刊-综合性期刊

CiteScore

21.40

自引率

1.50%

发文量

1937

审稿时长

29 weeks

期刊介绍： Science Advances, an open-access journal by AAAS, publishes impactful research in diverse scientific areas. It aims for fair, fast, and expert peer review, providing freely accessible research to readers. Led by distinguished scientists, the journal supports AAAS's mission by extending Science magazine's capacity to identify and promote significant advances. Evolving digital publishing technologies play a crucial role in advancing AAAS's global mission for science communication and benefitting humankind.