World's Best Scientists 2026 revealed!
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Earth Science
USA
2026

D-Index & Metrics

Earth Science

D-Index
118
Citations
61715
World Ranking
46
National Ranking
20

T. Mark Harrison 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 T. Mark Harrison 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+

This scientist: 286 publications — 83rd percentile

83% of scientists in this discipline score the same or lower.

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

T. Mark Harrison 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 T. Mark Harrison 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+

This scientist: 118 D-Index — 100th percentile

100% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Earth Science in United States Leader Award
  • 2025 - Research.com Earth Science in United States Leader Award
  • 2011 - Member of the National Academy of Sciences
  • 2009 - Arthur L. Day Medal, The Geological Society of America
  • 2007 - Geochemistry Fellow Honor, Geochemical Society and the European Association of Geochemistry
  • 1996 - Fellow of American Geophysical Union (AGU)

Overview

T. Mark Harrison is affiliated with the University of California, Los Angeles in the United States. Their research primarily focuses on Earth and Planetary Sciences, with significant contributions in the subfields of Geophysics, Atmospheric Science, Artificial Intelligence, Astronomy and Astrophysics, and Paleontology.

The main topics addressed in their work include:

  • Geological and Geochemical Analysis
  • Earthquake and tectonic studies
  • Geology and Paleoclimatology Research
  • Geochemistry and Geologic Mapping
  • Paleontology and Stratigraphy of Fossils
  • Astro and Planetary Science
  • Planetary Science and Exploration

Harrison has published extensively in several scientific venues. The most frequent publication outlets for their work are:

  • Chemical Geology
  • Geology
  • Geochimica et Cosmochimica Acta
  • Elements
  • Proceedings of the National Academy of Sciences

Recent papers authored or co-authored by Harrison include:

  • "Constraining crustal silica on ancient Earth" (2020), published in Proceedings of the National Academy of Sciences
  • "Impact of fault damage on eastern Tibet topography" (2020), published in Geology
  • "Reevaluating the evidence for a Hadean-Eoarchean dynamo" (2020), published in Science Advances
  • "In situ 87Rb-87Sr analyses of terrestrial and extraterrestrial samples by LA-MC-ICP-MS/MS with double Wien filter and collision cell technologies" (2022), published in Journal of Analytical Atomic Spectrometry
  • "We don't know when plate tectonics began" (2024), published in Journal of the Geological Society

Frequent collaborators of Harrison include:

  • Elizabeth A. Bell
  • Heather M. Kirkpatrick
  • Cauê S. Borlina
  • B. P. Weiss
  • Eduardo A. Lima

Over their career, Harrison has received multiple recognitions including:

  • Member of the National Academy of Sciences (2011)
  • Arthur L. Day Medal from The Geological Society of America (2009)
  • Geochemistry Fellow Honor from the Geochemical Society and the European Association of Geochemistry (2007)
  • Fellow of the American Geophysical Union (AGU) (1996)

Best Publications

  • Geologic Evolution of the Himalayan-Tibetan Orogen

    An Yin;T. Mark Harrison

  • Zircon saturation revisited: temperature and composition effects in a variety of crustal magma types

    E. Bruce Watson;T. Mark Harrison

  • Diffusion of 40Ar in hornblende

    T. Mark Harrison

  • Diffusion of 40Ar in biotite: Temperature, pressure and compositional effects

    T.Mark Harrison;Ian Duncan;Ian McDougall

  • Zircon saturation re-revisited

    Patrick Boehnke;E. Bruce Watson;Dustin Trail;T. Mark Harrison

  • The behavior of apatite during crustal anatexis: Equilibrium and kinetic considerations

    T.Mark Harrison;E.Bruce Watson

  • Oxygen-isotope Evidence From Ancient Zircons for Liquid Water at the Earth's Surface 4,300 Myr Ago

    Stephen J. Mojzsis;Stephen J. Mojzsis;T. Mark Harrison;Robert T. Pidgeon

  • Tectonic history of the Altyn Tagh fault system in northern Tibet inferred from Cenozoic sedimentation

    A. Yin;P.E. Rumelhart;R. Butler;E. Cowgill

  • Cretaceous-Tertiary shortening, basin development, and volcanism in central Tibet

    Paul Kapp;An Yin;T. Mark Harrison;Lin Ding

  • New constraints on the structure, thermochronology, and timing of the Ailao Shan-Red River shear zone, SE Asia

    P. H. Leloup;N. Arnaud;R. Lacassin;J. R. Kienast

  • Late Cenozoic tectonic evolution of the southern Chinese Tian Shan

    A. Yin;S. Nie;P. Craig;T. M. Harrison

  • Raising Tibet

    Unknown

  • Pb diffusion in monazite: a combined RBS/SIMS study

    D.J Cherniak;E.Bruce Watson;Marty Grove;T.Mark Harrison

  • Did the Indo-Asian collision alone create the Tibetan plateau?

    M. A. Murphy;An Yin;T. M. Harrison;S. B. Dürr

  • The tectonic evolution of Asia

    An Yin;T. Mark Harrison

  • Diffusion of 40Ar in muscovite

    T. Mark Harrison;T. Mark Harrison;Julien Célérier;Amos B. Aikman;Joerg Hermann

  • Mesozoic and Cenozoic tectonic evolution of the Shiquanhe area of western Tibet

    Paul Kapp;Paul Kapp;Michael A. Murphy;Michael A. Murphy;An Yin;T. Mark Harrison;T. Mark Harrison

  • A tectonic model for Cenozoic igneous activities in the eastern Indo–Asian collision zone

    Jiang-Hai Wang;Jiang-Hai Wang;An Yin;T.Mark Harrison;Marty Grove

  • Geochronology and thermochronology by the [40]Ar/[39]Ar method

    Ian McDougall;T. Mark Harrison

  • The 40Ar/39Ar thermochronometry for slowly cooled samples having a distribution of diffusion domain sizes

    Oscar M. Lovera;Frank M. Richter;T. Mark Harrison

  • Tectonic evolution of the early Mesozoic blueschist-bearing Qiangtang metamorphic belt, central Tibet

    Paul Kapp;Paul Kapp;An Yin;Craig E. Manning;T. Mark Harrison;T. Mark Harrison

Frequent Co-Authors

Marty Grove
Marty Grove Stanford University
Oscar M. Lovera
Oscar M. Lovera University of California, Los Angeles
An Yin
An Yin University of California, Los Angeles
Craig E. Manning
Craig E. Manning University of California, Los Angeles
Axel K. Schmitt
Axel K. Schmitt Curtin University
Stephen J. Mojzsis
Stephen J. Mojzsis University of Bayreuth
Peter Copeland
Peter Copeland University of Houston
E. Bruce Watson
E. Bruce Watson Rensselaer Polytechnic Institute
Kevin D. McKeegan
Kevin D. McKeegan University of California, Los Angeles

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