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Kevin D. McKeegan publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Kevin D. McKeegan sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

The last bar groups every scientist with 510 publications or more.

Kevin D. McKeegan D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Kevin D. McKeegan sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

The last bar groups every scientist with 94 D-Index or more.

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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