World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
35
Citations
3954
World Ranking
7723
National Ranking
2615

Paul G. D. Spry 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 Paul G. D. Spry 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: 141 publications — 34th percentile

34% of scientists in this discipline score the same or lower.

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

Paul G. D. Spry 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 Paul G. D. Spry 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: 35 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Best Publications

  • Speciation of aqueous tellurium(IV) in hydrothermal solutions and vapors, and the role of oxidized tellurium species in Te transport and gold deposition

    Pascal V. Grundler;Joël Brugger;Barbara E. Etschmann;Lothar Helm

  • DIRECT DATING OF MISSISSIPPI VALLEY-TYPE MINERALIZATION: USE OF Sm-Nd IN FLUORITE

    J. T. Chesley;A. N. Halliday;T. K. Kyser;P. G. Spry

  • Understanding gold-(silver)-telluride-(selenide) mineral deposits

    Nigel J. Cook;Cristiana L. Ciobanu;Paul G. Spry;Panagiotis Voudouris

  • Invisible Gold and Tellurium in Arsenic-Rich Pyrite from the Emperor Gold Deposit, Fiji: Implications for Gold Distribution and Deposition

    David W. Pals;Paul G. Spry;Stephen Chryssoulis

  • Meta-Exhalites as Exploration Guides to Ore*

    Paul G. Spry;Jan M. Peter;John F. Slack

  • Preface - Special Issue: Telluride and selenide minerals in gold deposits - how and why?

    Cristiana Ciobanu;N. J. Cook;P. G. Spry

  • Telluride mineralogy of the low-sulfidation epithermal Emperor gold deposit, Vatukoula, Fiji

    Unknown

  • RHENIUM-RICH MOLYBDENITE AND RHENIITE IN THE PAGONI RACHI Mo–Cu–Te–Ag–Au PROSPECT, NORTHERN GREECE: IMPLICATIONS FOR THE Re GEOCHEMISTRY OF PORPHYRY-STYLE Cu–Mo AND Mo MINERALIZATION

    Panagiotis C. Voudouris;Vasilios Melfos;Paul G. Spry;Luca Bindi

  • Geochemistry and origin of manganese-rich rocks related to iron-formation and sulfide deposits, western Georgia

    Unknown

  • The stability of zincian spinels in sulfide systems and their potential as exploration guides for metamorphosed massive sulfide deposits

    Paul G. Spry;Steven D. Scott

  • TELLURIDE MINERALOGY OF THE GOLDEN MILE DEPOSIT, KALGOORLIE, WESTERN AUSTRALIA

    Unknown

  • The Geochemistry of Carbonate-Replacement Pb-Zn-Ag Mineralization in the Lavrion District, Attica, Greece: Fluid Inclusion, Stable Isotope, and Rare Earth Element Studies

    Unknown

  • Mineralogy and textural relationships among sulphosalts and related minerals in the Bleikvassli Zn-Pb-(Cu) deposit, Nordland, Norway

    N. J. Cook;P. G. Spry;F. M. Vokes

  • Carbonate-replacement Pb–Zn–Ag ± Au mineralization in the Kamariza area, Lavrion, Greece: Mineralogy and thermochemical conditions of formation

    Unknown

  • Extremely Re-Rich Molybdenite from Porphyry Cu-Mo-Au Prospects in Northeastern Greece: Mode of Occurrence, Causes of Enrichment, and Implications for Gold Exploration

    Panagiotis Voudouris;Vasilios Melfos;Paul G. Spry;Luca Bindi

  • Mineralogical and fluid inclusion constraints on the evolution of the Plaka intrusion-related ore system, Lavrion, Greece

    P. Voudouris;V. Melfos;P. G. Spry;T. Bonsall

  • ZINCIAN SPINEL ASSOCIATED WITH METAMORPHOSED PROTEROZOIC BASE-METAL SULFIDE OCCURRENCES, COLORADO: A RE-EVALUATION OF GAHNITE COMPOSITION AS A GUIDE IN EXPLORATION

    Unknown

  • Bismuthinite derivatives, lillianite homologues, and bismuth sulfotellurides as indicators of gold mineralization in the Stanos shear-zone related deposit, Chalkidiki, northern Greece

    Unknown

  • Porphyry and epithermal deposits in Greece: An overview, new discoveries, and mineralogical constraints on their genesis

    P. Voudouris;C. Mavrogonatos;P.G. Spry;T. Baker

  • Mineralogy and geochemical environment of formation of the Perama Hill high-sulfidation epithermal Au-Ag-Te-Se deposit, Petrota Graben, NE Greece

    Panagiotis Christos Voudouris;Vasilios Melfos;Paul G. Spry;Robert Moritz

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