Office: CHM 0228
Chemistry Building
8051 Regents Drive
College Park, MD 20742

Mailing Address
8000 Regents Drive
College Park, MD 20742

rjwalker [at] umd [dot] edu

Isotope Geochemistry Laboratory

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Application of radiogenic isotopes and trace elements, with emphasis on siderophile elements, to conduct research in several areas of geo- and cosmo-chemistry including the chemical evolution of Earth’s mantle, the formation and crystallization histories of early Solar System planetesimals, and the accretional and differentiation histories of the Earth, Moon and Mars.