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

D-Index & Metrics

Earth Science

D-Index
129
Citations
45028
World Ranking
26
National Ranking
11

Alex N. Halliday 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 Alex N. Halliday 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: 520 publications — 98th percentile

98% of scientists in this discipline score the same or lower.

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

Alex N. Halliday 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 Alex N. Halliday 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: 129 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
  • 2022 - Research.com Earth Science in United States Leader Award
  • 2016 - Member of Academia Europaea
  • 2015 - Member of the National Academy of Sciences
  • 2001 - Geochemistry Fellow Honor, Geochemical Society and the European Association of Geochemistry

Overview

Alex N. Halliday is affiliated with the Lamont-Doherty Earth Observatory in the United States. Their research primarily focuses on Earth and Planetary Sciences, with notable contributions in subfields such as Geophysics, Astronomy and Astrophysics, Geochemistry and Petrology, Nutrition and Dietetics, and Health, Toxicology and Mutagenesis.

Their body of work covers key topics including Geological and Geochemical Analysis, Astro and Planetary Science, Geochemistry and Elemental Analysis, Planetary Science and Exploration, Geology and Paleoclimatology Research, Trace Elements in Health, and Heavy Metal Exposure and Toxicity.

Recent publications authored or co-authored by Alex N. Halliday include:

  • The accretion of planet Earth, 2022, Nature Reviews Earth & Environment
  • Urine metallomics signature as an indicator of pancreatic cancer, 2020, Metallomics
  • High-precision potassium isotopic measurements by collision cell equipped MC-ICPMS, 2021, Chemical Geology
  • The Cl isotope composition and halogen contents of Apollo-return samples, 2020, Proceedings of the National Academy of Sciences
  • Heterogeneous nickel isotopic compositions in the terrestrial mantle - Part 1: Ultramafic lithologies, 2020, Geochimica et Cosmochimica Acta

Frequent co-authors include:

  • Kathrin Schilling
  • Matthew Jerram
  • Pierre Bonnand
  • Fiona Larner
  • Naomi Saunders

Alex N. Halliday has published regularly in several influential venues, among which the most frequent are:

  • Geochimica et Cosmochimica Acta
  • Chemical Geology
  • Environmental Science & Technology
  • Goldschmidt2022 abstracts
  • Metallomics

Their research reflects an integration of analytical geochemistry with planetary science, encompassing isotopic measurements and the study of elemental distributions in geological and biological contexts.

Recognition for their contributions includes several distinguished awards:

  • Member of Academia Europaea, 2016
  • Member of the National Academy of Sciences, 2015
  • Geochemistry Fellow Honor, Geochemical Society and the European Association of Geochemistry, 2001

Best Publications

  • Nature of the Earth's earliest crust from hafnium isotopes in single detrital zircons

    Yuri Amelin;Der-Chuen Lee;Alex N. Halliday;Robert T. Pidgeon

  • Early-middle archaean crustal evolution deduced from Lu-Hf and U-Pb isotopic studies of single zircon grains

    Y. Amelin;D.-C. Lee;D.-C. Lee;A.N. Halliday

  • Core formation on Mars and differentiated asteroids

    Der-Chuen Lee;Alex N. Halliday

  • Hf-W chronology of the accretion and early evolution of asteroids and terrestrial planets

    Thorsten Kleine;Mathieu Touboul;Bernard Bourdon;Francis Nimmo

  • Thermal and Magmatic Evolution of the Moon

    Charles K. Shearer;Paul C. Hess;Mark A. Wieczorek;Matt E. Pritchard

  • INCOMPATIBLE TRACE-ELEMENTS IN OIB AND MORB AND SOURCE ENRICHMENT IN THE SUB-OCEANIC MANTLE

    Alex N. Halliday;Der-Chuen Lee;Simone Tommasini;Gareth R. Davies

  • Oxygen Isotopes and the Moon-Forming Giant Impact

    U. Wiechert;A. N. Halliday;D.-C. Lee;G. A. Snyder

  • Incompatible trace elements in OIB and MORB and source enrichment in the sub-oceanic mantle.

    A. N. Halliday;D. C. Lee;S. Tommasini;G. R. Davies

  • Isotopic and chemical evidence concerning the genesis and contamination of basaltic and rhyolitic magma beneath the Yellowstone Plateau Volcanic Field

    Wes Hildreth;Alex N. Halliday;Robert L. Christiansen

  • Emergence of a habitable planet

    Kevin Zahnle;Nick Arndt;Charles Cockell;Alex Halliday

  • Isotopic record of lead pollution in lake sediments from the northeastern United States

    J.R. Graney;A.N. Halliday;G.J. Keeler;J.O. Nriagu

  • New sample preparation techniques for the determination of Si isotopic compositions using MC-ICPMS

    R. B. Georg;B. C. Reynolds;Martin Frank;A. N. Halliday

  • Closure temperatures of the Sm—Nd system in metamorphic garnets

    Klaus Mezger;Eric J. Essene;A. N. Halliday

  • Provenance of dust in the Pacific Ocean

    Shun'ichi Nakai;Alex N. Halliday;David K. Rea

  • Low-temperature isotopic fractionation of uranium

    Claudine H. Stirling;Morten B. Andersen;Emma-Kate Potter;Alex N. Halliday

  • Ir, Ru, Pt, and Pd in basalts and komatiites: new constraints for the geochemical behavior of the platinum-group elements in the mantle

    Mark Rehkämper;Mark Rehkämper;A.N. Halliday;A.N. Halliday;J.G. Fitton;D.-C. Lee

  • Applications of Multiple Collector-ICPMS to Cosmochemistry, Geochemistry, and Paleoceanography

    Alex N. Halliday;Der Chuen Lee;John N. Christensen;Mark Rehkämper

  • Silicon in the Earth's core.

    R. Bastian Georg;Alex N. Halliday;Edwin A. Schauble;Ben C. Reynolds

  • Iron isotope differences between Earth, Moon, Mars and Vesta as possible records of contrasted accretion mechanisms

    Franck Poitrasson;Alexander N. Halliday;Der-Chuen Lee;Sylvain Levasseur

  • Origin and Migration of the Alpine Iceman

    Wolfgang Müller;Henry Fricke;Alex N. Halliday;Malcolm T. McCulloch

Frequent Co-Authors

Der-Chuen Lee
Der-Chuen Lee Academia Sinica
Mark Rehkämper
Mark Rehkämper Imperial College London
Kevin W. Burton
Kevin W. Burton Durham University
Helen M. Williams
Helen M. Williams University of Cambridge
Sune G. Nielsen
Sune G. Nielsen Woods Hole Oceanographic Institution
Sophie Opfergelt
Sophie Opfergelt Université Catholique de Louvain
James R. Hein
James R. Hein United States Geological Survey
Claudine H. Stirling
Claudine H. Stirling University of Otago
Lawrence A. Taylor
Lawrence A. Taylor University of Tennessee at Knoxville

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