CHM 0226
Chemistry Building
8051 Regents Drive
College Park, MD 20742

echiappe [at] umd [dot] edu

Isotope Geochemistry Laboratory

Richard Walker

My interests lie in studying and characterizing early solar system materials through the analysis of various isotopes and siderophile elements.

Chiappe, E.M., Ash, R.D., Walker, R.J. (2023) Age, genetics, and crystallization sequence of the group IIIE iron meteorites. Geochimica et Cosmochimica Acta. 354 51-61. DOI: 10.1016/j.gca.2023.06.009

Chiappe E.M., Ash R.D., Luttinen A., Lukkari S., Kuva J., Hilton C.D., Walker R.J. (2023) Chemical and genetic characterization of the ungrouped pallasite Lieksa. Meteoritics & Planetary Science. 58 1747–1759. DOI: 10.1111/maps.14095