World's Best Scientists 2026 revealed!
Ian R. Fletcher

Ian R. Fletcher

D-Index & Metrics

Earth Science

D-Index
69
Citations
12369
World Ranking
1094
National Ranking
72

Ian R. Fletcher 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 R. Fletcher sits on this spectrum.

38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38 publications 603+

This scientist: 154 publications — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

Ian R. Fletcher 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 R. Fletcher sits on this spectrum.

30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 69 D-Index — 89th percentile

89% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

Overview

Ian R. Fletcher is affiliated with Curtin University in Australia. Their research primarily focuses on Earth and Planetary Sciences, with significant contributions to related subfields including Geophysics, Artificial Intelligence, Atmospheric Science, Paleontology, and Molecular Biology.

Their publications cover a range of topics centered on geological and geochemical processes. Major themes in their work include:

  • Geological and Geochemical Analysis
  • Earthquake and Tectonic Studies
  • Geochemistry and Geologic Mapping
  • High-pressure Geophysics and Materials
  • Geology and Paleoclimatology Research
  • Paleontology and Stratigraphy of Fossils
  • Geomagnetism and Paleomagnetism Studies

Ian R. Fletcher has authored and co-authored several papers published in established journals and conferences, reflecting a diverse scope within Earth sciences. Notable publications include:

  • In situ U-Pb and geochemical evidence for ancient Pb-loss during hydrothermal alteration producing apparent young concordant zircon dates in older tuffs, 2021, Geochimica et Cosmochimica Acta
  • Petrogenesis of Meso-Neoarchean granitoids from the Chitradurga Greenstone Belt: Implications on crustal growth and reworking of the Dharwar Craton, southern India, 2022, Journal of Asian Earth Sciences
  • Eocene animal trace fossils in 1.7-billion-year-old metaquartzites, 2021, Proceedings of the National Academy of Sciences
  • Dating Mafic-Ultramafic Intrusions by Monazite in Hornfels: The Kabanga Intrusions in the Eastern African Nickel Belt, 2020, Goldschmidt Abstracts
  • Issue Information, 2022, Peace & Change

Co-authors who have frequently collaborated with Ian R. Fletcher include:

  • Birger Rasmussen
  • Jian-Wei Zi
  • Janet R. Muhling
  • M. Ram Mohan
  • Neal J. McNaughton

Their work has been published across various venues, further highlighting the multidisciplinary nature of their research. Regular publication forums include:

  • Geochimica et Cosmochimica Acta
  • Journal of Asian Earth Sciences
  • Proceedings of the National Academy of Sciences
  • Goldschmidt Abstracts
  • Peace & Change

Best Publications

  • A New Understanding of the Provinces of the Amazon Craton Based on Integration of Field Mapping and U-Pb and Sm-Nd Geochronology

    João Orestes Schneider Santos;Léo Afraneo Hartmann;Henri Eugene Gaudette;David Ian Groves

  • Reassessing the first appearance of eukaryotes and cyanobacteria

    Birger Rasmussen;Ian R. Fletcher;Jochen J. Brocks;Matt R. Kilburn

  • The neoproterozoic Mantiqueira Province and its African connections: a zircon-based U-Pb geochronologic subdivision for the Brasiliano/Pan-African systems of orogens

    Luiz Carlos da Silva;Neal J. McNaughton;Richard Armstrong;Léo Afraneo Hartmann

  • 1.6 Ga U-Pb zircon age for the Chorhat Sandstone, lower Vindhyan, India: Possible implications for early evolution of animals

    Birger Rasmussen;Pradip K. Bose;Subir Sarkar;Santanu Banerjee

  • Advances in SHRIMP geochronology and their impact on understanding the tectonic and metallogenic evolution of southern Brazil

    L.A. Hartmann;J.A.D. Leite;L.C. Da Silva;M.V.D. Remus

  • SHRIMP U-Pb dating of the preeruption growth history of zircons from the 340 ka Whakamaru Ignimbrite, New Zealand: Evidence for >250 k.y. magma residence times

    Stuart J. A. Brown;Ian R. Fletcher

  • Pre-Variscan geological events in the Austrian part of the Bohemian Massif deduced from U-Pb zircon ages

    Gertrude Friedl;Fritz Finger;Jean-Louis Paquette;Albrecht von Quadt

  • Archean-Proterozoic Evolution of Indian Charnockites: Isotopic and Geochemical Evidence from Granulites of the Eastern Ghats Belt

    D. K. Paul;T. Ray Barman;N. J. McNaughton;I. R. Fletcher

  • Deducing the ancestry of terranes: SHRIMP evidence for South America–derived Gondwana fragments in central Europe

    Gertrude Friedl;Fritz Finger;Neal J. McNaughton;Ian R. Fletcher

  • Metallogenesis of the Carajás Mineral Province, Southern Amazon Craton, Brazil: Varying styles of Archean through Paleoproterozoic to Neoproterozoic base- and precious-metal mineralisation

    Christian J. Grainger;David I. Groves;Fernando H.B. Tallarico;Fernando H.B. Tallarico;Ian R. Fletcher

  • Correlation of Paleoproterozoic glaciations based on U–Pb zircon ages for tuff beds in the Transvaal and Huronian Supergroups

    Birger Rasmussen;Andrey Bekker;Ian R. Fletcher

  • Age, source, and regional stratigraphy of the Roraima Supergroup and Roraima-like outliers in northern South America based on U-Pb geochronology

    João Orestes Schneider Santos;Paul Edwin Potter;Nélson Joaquim Reis;Léo Afraneo Hartmann

  • Discoidal impressions and trace-like fossils more than 1200 million years old.

    Birger Rasmussen;Stefan Bengtson;Ian R. Fletcher;Neal J. McNaughton

  • Geology and SHRIMP U-Pb Geochronology of the Igarapé Bahia Deposit, Carajás Copper-Gold Belt, Brazil: An Archean (2.57 Ga) Example of Iron-Oxide Cu-Au-(U-REE) Mineralization

    Fernando H. B. Tallarico;Bernardino R. Figueiredo;David I. Groves;Natalie Kositcin

  • Dating low-grade metamorphic events by SHRIMP U-Pb analysis of monazite in shales

    Birger Rasmussen;Ian R. Fletcher;Neal J. McNaughton

  • Isotopic dating of the migration of a low-grade metamorphic front during orogenesis

    Birger Rasmussen;Ian R. Fletcher;Stephen Sheppard

  • Textural and geochemical discrimination between xenotime of different origin in the Archaean Witwatersrand Basin, South Africa

    Natalie Kositcin;Neal J. McNaughton;Brendan J. Griffin;Ian R. Fletcher

  • Triassic mineralization with Cretaceous overprint in the Dahu Au–Mo deposit, Xiaoqinling gold province: Constraints from SHRIMP monazite U–Th–Pb geochronology

    Nuo Li;Yan-Jing Chen;Yan-Jing Chen;Ian R. Fletcher;Qing-Tao Zeng

  • Giant iron-ore deposits of the Hamersley province related to the breakup of Paleoproterozoic Australia: new insights from in situ SHRIMP dating of baddeleyite from mafic intrusions

    Stefan G. Müller;Bryan Krapež;Mark E. Barley;Ian R. Fletcher

  • Age constraints on Tarkwaian palaeoplacer and lode-gold formation in the Tarkwa-Damang district, SW Ghana

    Jon-Philippe Pigois;David I. Groves;Ian R. Fletcher;Neal J. McNaughton

  • Matrix effects and calibration limitations in ion probe U-Pb and Th-Pb dating of monazite

    Ian R. Fletcher;Neal J. McNaughton;William J. Davis;Birger Rasmussen

Frequent Co-Authors

Neal J. McNaughton
Neal J. McNaughton Curtin University
Birger Rasmussen
Birger Rasmussen University of Western Australia
David I. Groves
David I. Groves University of Western Australia
Léo Afraneo Hartmann
Léo Afraneo Hartmann Federal University of Rio Grande do Sul
Janet R. Muhling
Janet R. Muhling University of Western Australia
Mark Barley
Mark Barley University of Western Australia
Bryan Krapež
Bryan Krapež Guilin University of Technology
Steffen Hagemann
Steffen Hagemann University of Western Australia
Matt R. Kilburn
Matt R. Kilburn University of Western Australia
Kevin J.R. Rosman
Kevin J.R. Rosman Curtin University

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