Researcher Profile

Richard J. Walker

🏛 Department of Geology, University of Maryland, College Park, Maryland 20742;

0000-0003-0348-2407

Publications

1,673

Citations

Co-Authors

Active Years

Publications

Journal Article Nature Sep 10, 2025

Late fluid flow in a primitive asteroid revealed by Lu–Hf isotopes in Ryugu

Tsuyoshi Iizuka · Takazo Shibuya · Takehito Hayakawa · Tetsuya Yokoyama +83 more

10.1038/s41586-025-09483-0 5 citations

Open Access Journal Article Geochronology Apr 09, 2020

Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) U–Pb carbonate geochronology: strategies, progress, and limitations

Nick M. W. Roberts · Kerstin Drost · Matthew S. A. Horstwood · Daniel J. Condon +11 more

10.5194/gchron-2-33-2020 235 citations

Journal Article Annual Review of Earth and Planetary Sciences Aug 30, 2017

Tungsten Isotopes in Planets

Thorsten Kleine · Richard J. Walker

10.1146/annurev-earth-063016-020037 112 citations

Journal Article Geochimica et Cosmochimica Acta Aug 01, 2009

Tungsten in Hawaiian picrites: A compositional model for the sources of Hawaiian lavas

Thomas J. Ireland · Ricardo Arevalo · Richard J. Walker · William F. McDonough

10.1016/j.gca.2009.04.016 17 citations

Journal Article Science Feb 23, 1996

Re-Os Ages of Group IIA, IIIA, IVA, and IVB Iron Meteorites

Michael I. Smoliar · Richard J. Walker · John W. Morgan

10.1126/science.271.5252.1099 1,141 citations

Journal Article Science Aug 11, 1995

Osmium-187 Enrichment in Some Plumes: Evidence for Core-Mantle Interaction?

Richard J. Walker · John W. Morgan · Mary F. Horan

10.1126/science.269.5225.819 163 citations

Publication Timeline

2025

2020

2017

2009

1996

1995

Frequent Co-Authors

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