H. Y. McSween

Papers

Total Citations

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About

H. Y. McSween is a pioneering planetary geologist whose research has fundamentally shaped our understanding of the composition and evolution of rocky planets, particularly Mars. His work masterfully integrates data from Martian meteorites, orbital remote sensing, and in situ rover measurements to reconstruct planetary crustal histories. A key contribution is his synthesis of these diverse datasets to demonstrate that Mars possesses a heterogeneous surface dominated by basaltic lithologies, a finding that has guided interpretations of Martian magmatism and differentiation. While his most cited paper (2008, 17 citations) establishes this foundational framework, his broader influence is seen in his leadership roles, including his work on the Mars Pathfinder and Mars Exploration Rover missions. McSween is also a prolific author of influential textbooks on planetary geochemistry and meteoritics. His ability to bridge laboratory analysis of meteorites with robotic field exploration has made him a central figure in planetary science, inspiring a generation of students to explore the geological processes that shape other worlds.