World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
31
Citations
4132
World Ranking
8908
National Ranking
38

Robert J. Thomas 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 Robert J. Thomas 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: 133 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

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

Robert J. Thomas 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 Robert J. Thomas 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: 31 D-Index — 1st percentile

1% of scientists in this discipline score the same or lower.

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

Best Publications

  • Comparison of deep convolutional neural networks and edge detectors for image-based crack detection in concrete

    Unknown

  • The Kalahari Craton during the assembly and dispersal of Rodinia

    J. Jacobs;Sergei Pisarevsky;Sergei Pisarevsky;R. Thomas;Thomas Becker

  • Accretion and indentation tectonics at the southern edge of the Kaapvaal craton during the Kibaran (Grenville) orogeny

    J. Jacobs;R. J. Thomas;K. Weber

  • Review of strain rate effects for UHPC in tension

    Unknown

  • The Namaqua-Natal Province

    D.H. Cornell;Robert James Thomas;R. Gibson;H.F.G. Moen

  • Numerical evaluation of the hysteretic behavior of concentrically braced frames and buckling restrained brace frame systems

    Unknown

  • Neoproterozoic–Cambrian stratigraphic framework of the Anti-Atlas and Ouzellagh promontory (High Atlas), Morocco

    Jose Javier Alvaro;Fouad Benziane;Robert Thomas;Gregory Walsh

  • A geochronological review of magmatism along the external margin of Columbia and in the Grenville-age orogens forming the core of Rodinia

    Unknown

  • Geological evolution of the Neoproterozoic Bemarivo Belt, northern Madagascar

    Ronald J. Thomas;B. De Waele;D. I. Schofield;K. M. Goodenough

  • SDNET2018: A concrete crack image dataset for machine learning applications

    Unknown

  • Records of Ocean Growth and Destruction in the Oman–UAE Ophiolite

    Kathryn M. Goodenough;Robert J. Thomas;Michael T. Styles;David I. Schofield

  • The tectonic evolution of southern Africa: an overview

    Unknown

  • Numerical evaluation of steel-rubber isolator with single and multiple rubber cores

    Unknown

  • Post-collisional magmatism in the central East African Orogen: The Maevarano Suite of north Madagascar

    K. M. Goodenough;Ronald J. Thomas;B. De Waele;R. M. Key

  • Geochronology of the central Tanzania Craton and its southern and eastern orogenic margins

    Robert J. Thomas;Christopher Spencer;Christopher Spencer;Alphonce M. Bushi;Nick Baglow

  • Provenance age and metamorphic history of the Quha Formation, Natal metamorphic province; a U-Th-Pb zircon SHRIMP study

    R. J. Thomas;D. H. Cornell;R. A. Armstrong

  • Geological evolution of the Antongil Craton, NE Madagascar

    D. I. Schofield;Ronald J. Thomas;K. M. Goodenough;B. De Waele

  • Genesis of the Tonian Imorona–Itsindro magmatic Suite in central Madagascar: Insights from U–Pb, oxygen and hafnium isotopes in zircon

    Donnelly B. Archibald;Alan S. Collins;John D. Foden;Justin L. Payne

  • Litholog and structure of the Grenville-aged (≈1.1 Ga) basement of heimefrontfjella (East Antarctica)

    Unknown

  • Origin and evolution of the ∼1.9 Ga Richtersveld Magmatic Arc, SW Africa

    P.H. Macey;R.J. Thomas;H.M. Minnaar;P.G. Gresse

Frequent Co-Authors

Kathryn Goodenough
Kathryn Goodenough British Geological Survey
Bernard Bingen
Bernard Bingen Université Libre de Bruxelles
Matthew S.A. Horstwood
Matthew S.A. Horstwood British Geological Survey
Giulio Viola
Giulio Viola University of Bologna
Richard Armstrong
Richard Armstrong Australian National University
Nick M.W. Roberts
Nick M.W. Roberts British Geological Survey
Emrys Phillips
Emrys Phillips Queen Mary University of London
Siegfried Siegesmund
Siegfried Siegesmund University of Göttingen
Christopher J. Spencer
Christopher J. Spencer Queen's University
Dirk Frei
Dirk Frei University of the Western Cape

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