World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
98
Citations
40611
World Ranking
147
National Ranking
15

Ian S. Williams 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 Ian S. Williams 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: 312 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

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

Ian S. Williams 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 Ian S. Williams 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: 98 D-Index — 99th percentile

99% 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

  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America

Overview

Ian S. Williams is affiliated with the Australian National University in Australia and specializes in Earth and Planetary Sciences. Their research spans multiple subfields, including Geophysics, Artificial Intelligence, Archeology, Paleontology, and Ecology. The focused topics of their work involve Geological and Geochemical Analysis, earthquake and tectonic studies, Geochemistry and Geologic Mapping, High-pressure geophysics and materials, Forensic Anthropology and Bioarchaeology Studies, Pleistocene-Era Hominins and Archaeology, and Geology and Paleoclimatology Research.

Williams has published in various venues, with frequent contributions to:

  • SSRN Electronic Journal
  • Journal of Archaeological Science
  • Zenodo (CERN European Organization for Nuclear Research)
  • Contributions to Mineralogy and Petrology
  • Journal of Petrology

Their recent publications include the following papers:

  • Permanent signatures of birth and nursing initiation are chemically recorded in teeth, 2022, Journal of Archaeological Science
  • Fine-scaled climate variation in equatorial Africa revealed by modern and fossil primate teeth, 2022, Proceedings of the National Academy of Sciences
  • The long-lived fertility signature of Cu-Au porphyry systems: insights from apatite and zircon at Tampakan, Philippines, 2022, Contributions to Mineralogy and Petrology
  • The Timing, Duration and Conditions of UHT Metamorphism in Remnants of the Former Eastern Gondwana, 2021, Journal of Petrology
  • Evolutionary Process from Mockina bidentata to Parvigondolella andrusovi: Evidence from the Pizzo Mondello Section, Sicily, Italy, 2021, Journal of Earth Science

Williams collaborates frequently with a group of co-authors, notably including Tanya M. Smith, Daniel R. Green, J Avila, Christine Austin, and Manish Arora.

Throughout their career, Ian S. Williams has been recognized as a Fellow of the Geological Society of America.

Best Publications

  • U-Th-Pb Geochronology by Ion Microprobe

    Ian S. Williams

  • Improved 206Pb/238U microprobe geochronology by the monitoring of a trace-element-related matrix effect; SHRIMP, ID-TIMS, ELA-ICP-MS and oxygen isotope documentation for a series of zircon standards

    Lance P. Black;Lance P. Black;Sandra L. Kamo;Charlotte M. Allen;Donald W. Davis

  • U‐Pb geochronology of zircons from lunar breccia 73217 using a sensitive high mass‐resolution ion microprobe

    W. Compston;I. S. Williams;C. Meyer

  • Zircon U-Pb ages for the Early Cambrian time-scale

    W. Compston;I. S. Williams;J. L. Kirschvink;Zhang Zichao

  • Isotopic evidence for the Precambrian provenance and Caledonian metamorphism of high grade paragneisses from the Seve Nappes, Scandinavian Caledonides: II. Ion microprobe zircon U-Th-Pb

    I. S. Williams;S. Claesson

  • Pb, U and Th diffusion in natural zircon

    James K. W. Lee;Ian S. Williams;David J. Ellis

  • Zircon and monazite response to prograde metamorphism in the Reynolds Range, central Australia

    Daniela Rubatto;Ian S. Williams;Ian S. Buick

  • Did Cooling Oceans Trigger Ordovician Biodiversification? Evidence from Conodont Thermometry

    Julie A. Trotter;Julie A. Trotter;Ian S. Williams;Christopher R. Barnes;Christophe Lécuyer

  • An extended episode of early Mesoproterozoic metamorphic fluid flow in the Reynolds Range, central Australia*

    I. S. Williams;I. S. Buick;I. Cartwright

  • Priscoan (4.00–4.03 Ga) orthogneisses from northwestern Canada

    Samuel A. Bowring;Ian S. Williams

  • The application of SHRIMP to Phanerozoic geochronology; a critical appraisal of four zircon standards

    Lance P Black;Sandra L Kamo;Ian S Williams;Roland Mundil

  • Considerations in Zircon Geochronology by SIMS

    Trevor R. Ireland;Ian S. Williams

  • Ion microprobe identification of 4,100–4,200 Myr-old terrestrial zircons

    D. O. Froude;T. R. Ireland;P. D. Kinny;I. S. Williams

  • Zircon ion microprobe studies bearing on the age and evolution of the Witwatersrand triad

    R.A. Armstrong;R.A. Armstrong;W. Compston;E.A. Retief;I.S. Williams

  • The Earth's oldest known crust: A geochronological and geochemical study of 3900-4200 Ma old detrital zircons from Mt. Narryer and Jack Hills, Western Australia

    Roland Maas;Roland Maas;Peter D. Kinny;Peter D. Kinny;Ian S. Williams;Derek O. Froude

  • A search for ancient detrital zircons in Zimbabwean sediments

    M. H. Dodson;W. Compston;I. S. Williams;J. F. Wilson

  • Response of detrital zircon and monazite, and their U–Pb isotopic systems, to regional metamorphism and host‐rock partial melting, Cooma Complex, southeastern Australia

    I. S. Williams

  • Deformational Mass Transport and Invasive Processes in Soil Evolution

    George H Brimhall;Oliver A. Chadwick;Chris J. Lewis;William Compston

  • 3.96 Ga gneisses from the Slave province, Northwest Territories, Canada

    S. A. Bowring;I. S. Williams;W. Compston

  • Contrasts between I‐ and S‐type granitoids of the Kosciusko Batholith

    R. Hine;I. S. Williams;B. W. Chappell;A. J. R. White

Frequent Co-Authors

William Compston
William Compston Australian National University
Peter D. Kinny
Peter D. Kinny Curtin University
Bruce W. Chappell
Bruce W. Chappell Macquarie University
Rainer Grün
Rainer Grün Australian National University
Trevor Ireland
Trevor Ireland University of Queensland
Richard Armstrong
Richard Armstrong Australian National University
Ian S. Buick
Ian S. Buick Stellenbosch University
Ian Cartwright
Ian Cartwright Monash University
Anton Pozniak
Anton Pozniak London School of Hygiene & Tropical Medicine
Caroline Sabin
Caroline Sabin University College London

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