World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
66
Citations
17018
World Ranking
1301
National Ranking
584

Research.com Recognitions

  • 2012 - Geochemistry Fellow Honor, Geochemical Society and the European Association of Geochemistry
  • 2010 - Fellow of American Geophysical Union (AGU)

Overview

Kevin D. McKeegan is affiliated with the University of California, Los Angeles in the United States. Their research concentrates on fields of Physics and Astronomy as well as Earth and Planetary Sciences, with specific focus on subfields including Astronomy and Astrophysics, Ecology, Geophysics, Atmospheric Science, and Global and Planetary Change.

The primary topics covered in their work encompass Astro and Planetary Science, Planetary Science and Exploration, Isotope Analysis in Ecology, Geological and Geochemical Analysis, Geology and Paleoclimatology Research, Stellar, planetary, and galactic studies, and High-pressure geophysics and materials.

Kevin D. McKeegan has published extensively in various scientific venues. Frequent publication outlets include:

  • Meteoritics and Planetary Science
  • Nature Astronomy
  • Science Advances
  • Geochimica et Cosmochimica Acta
  • ACS Earth and Space Chemistry

Recent papers authored or co-authored by McKeegan showcase work related to asteroid Ryugu and isotopic analyses, reflecting ongoing contributions to planetary science and isotope geochemistry. Notable recent publications are:

  • Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites (2022, Science)
  • A pristine record of outer Solar System materials from asteroid Ryugu's returned sample (2022, Nature Astronomy)
  • Ryugu's nucleosynthetic heritage from the outskirts of the Solar System (2022, Science Advances)
  • Oxygen isotopes of anhydrous primary minerals show kinship between asteroid Ryugu and comet 81P/Wild2 (2022, Science Advances)
  • Early fluid activity on Ryugu inferred by isotopic analyses of carbonates and magnetite (2023, Nature Astronomy)

Frequent collaborators contributing to McKeegan's research include Ming-Chang Liu, Nicolas Dauphas, Tomohiro Usui, Masanao Abe, and Satoru Nakazawa, each with numerous joint publications, indicating active engagement in collaborative scientific efforts.

Over their career, Kevin D. McKeegan has received recognition including being named a Fellow of the American Geophysical Union in 2010 and awarded the Geochemistry Fellow Honor by the Geochemical Society and the European Association of Geochemistry in 2012.

Best Publications

  • Evidence for life on Earth before 3,800 million years ago.

    S. J. Mojzsis;G. Arrhenius;K. D. McKeegan;T. M. Harrison

  • Methane-Consuming Archaea Revealed by Directly Coupled Isotopic and Phylogenetic Analysis

    Victoria J. Orphan;Christopher H. House;Kai-Uwe Hinrichs;Kevin D. McKeegan

  • Comet 81P/Wild 2 under a microscope.

    Don Brownlee;Peter Tsou;Jérôme Aléon;Conel M O'd Alexander

  • Multiple archaeal groups mediate methane oxidation in anoxic cold seep sediments

    Victoria J. Orphan;Christopher H. House;Kai Uwe Hinrichs;Kevin D. McKeegan

  • Origin and Episodic Emplacement of the Manaslu Intrusive Complex, Central Himalaya

    Mark T. Harrison;Marty Grove;Kevin D. Mckeegan;C. D. Coath

  • Isotopic Compositions of Cometary Matter Returned by Stardust

    Kevin D. McKeegan;Jerome Aléon;John Bradley;Donald Brownlee

  • The Oxygen Isotopic Composition of the Sun Inferred from Captured Solar Wind

    KD McKeegan;Apa Kallio;VS Heber;G Jarzebinski

  • Detection of inherited monazite in the Manaslu leucogranite by 208Pb232Th ion microprobe dating: Crystallization age and tectonic implications

    T.Mark Harrison;K.D. McKeegan;P. LeFort

  • Prolonged residence times for the youngest rhyolites associated with Long Valley Caldera:230Th—238U ion microprobe dating of young zircons

    Mary R. Reid;Christopher D. Coath;T. Mark Harrison;Kevin D. McKeegan

  • Mass-Independent Sulfur of Inclusions in Diamond and Sulfur Recycling on Early Earth

    J. Farquhar;B. A. Wing;K. D. McKeegan;J. W. Harris

  • Incorporation of Short-Lived 10Be in a Calcium-Aluminum-Rich Inclusion from the Allende Meteorite

    Kevin D. McKeegan;Marc Chaussidon;François Robert

  • Early formation of the Moon 4.51 billion years ago.

    Melanie Barboni;Patrick Boehnke;Patrick Boehnke;Brenhin Keller;Brenhin Keller;Issaku E. Kohl

  • Mass-independent isotope effects in Archean (2.5 to 3.8 Ga) sedimentary sulfides determined by ion microprobe analysis

    S.J. Mojzsis;C.D. Coath;J.P. Greenwood;K.D. McKeegan

  • The Chlorine Isotope Composition of the Moon and Implications for an Anhydrous Mantle

    Z. D. Sharp;C. K. Shearer;K. D. McKeegan;J. D. Barnes

  • Ion microprobe isotopic measurements of individual interplanetary dust particles

    Kevin D. Mckeegan;Robert M. Walker;Ernst Zinner

  • Determination of oxygen self-diffusion in åkermanite, anorthite, diopside, and spinel: Implications for oxygen isotopic anomalies and the thermal histories of Ca-Al-rich inclusions

    F.J. Ryerson;Kevin D. McKeegan

  • 26 Al, 244 Pu, 50 Ti, REE, and trace element abundances in hibonite grains from CM and CV meteorites

    A.J. Fahey;J.N. Goswami;K.D. McKeegan;E. Zinner

  • Carbon isotopic composition of individual Precambrian microfossils

    Christopher H. House;J. William Schopf;Kevin D. McKeegan;Christopher D. Coath

  • The oxygen isotopic composition of olivine and pyroxene from CI chondrites

    Laurie A. Leshin;Alan E. Rubin;Kevin D. McKeegan

  • Water Reservoirs in Small Planetary Bodies: Meteorites, Asteroids, and Comets

    Conel M. O’D. Alexander;Kevin D. McKeegan;Kathrin Altwegg

  • Li and B isotopic variations in an Allende CAI: Evidence for the in situ decay of short-lived 10Be and for the possible presence of the short-lived nuclide 7Be in the early solar system

    Marc Chaussidon;François Robert;Kevin D. McKeegan

Frequent Co-Authors

Christopher D. Coath
Christopher D. Coath University of Bristol
Alexander N. Krot
Alexander N. Krot University of Hawaii at Manoa
Axel K. Schmitt
Axel K. Schmitt Curtin University
Glenn J. MacPherson
Glenn J. MacPherson National Museum of Natural History
Marc Chaussidon
Marc Chaussidon Institut de Physique du Globe de Paris
Anders Meibom
Anders Meibom École Polytechnique Fédérale de Lausanne
Ian D. Hutcheon
Ian D. Hutcheon Lawrence Livermore National Laboratory
T. Mark Harrison
T. Mark Harrison University of California, Los Angeles
Sara S. Russell
Sara S. Russell Natural History Museum
Klaus Keil
Klaus Keil University of Hawaii at Manoa

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