World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
64
Citations
14528
World Ranking
1493
National Ranking
91

Malcolm R. Walter 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 Malcolm R. Walter 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: 200 publications — 61st percentile

61% of scientists in this discipline score the same or lower.

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

Malcolm R. Walter 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 Malcolm R. Walter 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: 64 D-Index — 82nd percentile

82% of scientists in this discipline score the same or lower.

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

Overview

Malcolm R. Walter is affiliated with the University of New South Wales in Australia, focusing primarily on Earth and Planetary Sciences with a significant body of work also related to Physics and Astronomy. Their research covers multiple interrelated scientific fields and topics, reflecting a multidisciplinary approach to understanding ancient geological and biological processes.

Walter's main fields of study include:

  • Earth and Planetary Sciences
  • Physics and Astronomy

Within these areas, their subfields of expertise are notably diverse, encompassing:

  • Paleontology
  • Astronomy and Astrophysics
  • Atmospheric Science
  • Artificial Intelligence
  • Geochemistry and Petrology

The principal scientific topics addressed in their work feature:

  • Paleontology and Stratigraphy of Fossils
  • Planetary Science and Exploration
  • Geology and Paleoclimatology Research
  • Geochemistry and Geologic Mapping
  • Geochemistry and Elemental Analysis
  • Geological and Geochemical Analysis
  • Biocrusts and Microbial Ecology

Recent publications illustrate a range of interests, from early Earth conditions to microbial ecosystems and planetary analogues, with examples including:

  • A Reconstructed Subaerial Hot Spring Field in the ∼3.5 Billion-Year-Old Dresser Formation, North Pole Dome, Pilbara Craton, Western Australia (2020, Astrobiology)
  • Modern arsenotrophic microbial mats provide an analogue for life in the anoxic Archean (2020, Communications Earth & Environment)
  • Targeting mixtures of jarosite and clay minerals for Mars exploration (2020, American Mineralogist)
  • Trace Element Concentrations Associated with Mid-Paleozoic Microfossils as Biosignatures to Aid in the Search for Life (2021, Life)
  • 2-Methylhopanoids in geographically distinct, arid biological soil crusts are primarily cyanobacterial in origin (2021, Environmental Microbiology Reports)

Frequent collaborators in Walter's research include scientists such as Tara Djokic, Martin J. Van Kranendonk, J. R. Havig, Pieter T. Visscher, and Kimberley L. Gallagher.

Publication venues where Walter's work has appeared reflect a focus on planetary sciences, astrobiology, and Earth system sciences, including:

  • Astrobiology
  • Communications Earth & Environment
  • American Mineralogist
  • Life
  • Environmental Microbiology Reports

Best Publications

  • Stromatolite reef from the Early Archaean era of Australia

    Abigail C. Allwood;Malcolm R. Walter;Balz S. Kamber;Craig P. Marshall;Craig P. Marshall

  • Stromatolites 3,400–3,500 Myr old from the North Pole area, Western Australia

    M. R. Walter;R. Buick;J. S. R. Dunlop

  • Dating the 840–544 Ma Neoproterozoic interval by isotopes of strontium, carbon, and sulfur in seawater, and some interpretative models

    M.R. Walter;J.J. Veevers;C.R. Calver;P. Gorjan

  • Morphological and ecological complexity in early eukaryotic ecosystems

    Emmanuelle J. Javaux;Andrew H. Knoll;Malcolm R. Walter

  • Filamentous fossil bacteria from the Archean of Western Australia

    S.M. Awramik;J.W. Schopf;M.R. Walter

  • The Ediacaran Period: A New Addition to the Geologic Time Scale

    Andrew H. Knoll;Malcolm R. Walter;Guy M. Narbonne;Nicholas Christie-Blick

  • Neoproterozoic stratigraphy of the Centralian Superbasin, Australia

    M.R. Walter;J.J. Veevers;C.R. Calver;K. Grey

  • Latest Proterozoic stratigraphy and Earth history.

    Andrew H. Knoll;Malcolm R. Walter

  • Earliest signs of life on land preserved in ca. 3.5 Ga hot spring deposits

    Tara Djokic;Tara Djokic;Martin J Van Kranendonk;Martin J Van Kranendonk;Kathleen A Campbell;Malcolm R Walter

  • Evidence for low sulphate and anoxia in a mid-Proterozoic marine basin

    Yanan Shen;Andrew H. Knoll;Malcolm R. Walter

  • A New Period for the Geologic Time Scale

    Andrew H. Knoll;Malcolm R. Walter;Guy M. Narbonne;Nicholas Christie-Blick

  • Neoproterozoic biotic diversification: Snowball Earth or aftermath of the Acraman impact?

    Kathleen Grey;Malcolm R. Walter;Clive R. Calver

  • TEM evidence for eukaryotic diversity in mid‐Proterozoic oceans

    Emmanuelle J. Javaux;Andrew H. Knoll;Malcolm R. Walter

  • Molecular fossils and microfossils of prokaryotes and protists from Proterozoic sediments

    R. E. Summons;M. R. Walter

  • Preservation of biological information in thermal spring deposits: developing a strategy for the search for fossil life on Mars.

    M. R. Walter;David J. Des Marais

  • Siliceous Algal and Bacterial Stromatolites in Hot Spring and Geyser Effluents of Yellowstone National Park

    Malcolm R. Walter;John Bauld;Thomas D. Brock

  • Environmental Evolution of the Archean-early Proterozoic Earth

    James C. G. Walker;Cornelis Klein;Manfred Schidlowski;J. William Schopf

  • 3.43 billion-year-old stromatolite reef from the Pilbara Craton of western Australia: Ecosystem-scale insights to early life on Earth

    Abigail C. Allwood;Abigail C. Allwood;Malcolm R. Walter;Ian W. Burch;Ian W. Burch;Balz S. Kamber

  • Trace elements record depositional history of an Early Archean stromatolitic carbonate platform

    Abigail C. Allwood;Abigail C. Allwood;Balz S. Kamber;Malcolm R. Walter;Ian W. Burch

  • Combined micro-Fourier transform infrared (FTIR) spectroscopy and micro-Raman spectroscopy of Proterozoic acritarchs: a new approach to Palaeobiology

    Craig P. Marshall;Emmanuelle J. Javaux;Andrew H. Knoll;Malcolm R. Walter

  • Structural characterization of kerogen in 3.4 Ga Archaean cherts from the Pilbara Craton, Western Australia

    Craig P. Marshall;Craig P. Marshall;Gordon D. Love;Gordon D. Love;Colin E. Snape;Andrew C. Hill;Andrew C. Hill

Frequent Co-Authors

Andrew H. Knoll
Andrew H. Knoll Harvard University
Martin J. Van Kranendonk
Martin J. Van Kranendonk Curtin University
Simon C. George
Simon C. George Macquarie University
Brett A. Neilan
Brett A. Neilan University of Newcastle Australia
Jeremy Bailey
Jeremy Bailey University of New South Wales
David Crisp
David Crisp California Institute of Technology
Dorothy Z. Oehler
Dorothy Z. Oehler Planetary Science Institute
J. William Schopf
J. William Schopf University of California, Los Angeles
Peter L. Bergquist
Peter L. Bergquist University of Auckland

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