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D-Index & Metrics

Earth Science

D-Index
31
Citations
4056
World Ranking
8915
National Ranking
47

J. Gregory Shellnutt 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 J. Gregory Shellnutt 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: 125 publications — 25th percentile

25% of scientists in this discipline score the same or lower.

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

J. Gregory Shellnutt 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 J. Gregory Shellnutt 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: 31 D-Index — 4th percentile

4% of scientists in this discipline score the same or lower.

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

Overview

J. Gregory Shellnutt is affiliated with the National Taiwan Normal University in Taiwan. Their academic work spans primarily in the field of Earth and Planetary Sciences, with a focus on several subfields including Geophysics, Artificial Intelligence applications, Atmospheric Science, Paleontology, and Geology.

The scientist's research themes cover a broad spectrum of topics within Earth sciences. These topics include:

  • Geological and Geochemical Analysis
  • Earthquake and tectonic studies
  • Geochemistry and Geologic Mapping
  • High-pressure geophysics and materials
  • Geology and Paleoclimatology Research
  • Geological and Geophysical Studies Worldwide
  • Paleontology and Stratigraphy of Fossils

Recent scholarly contributions by J. Gregory Shellnutt illustrate the diversity and scope of their research. Notable papers include:

  • "Magmatic duration of the Emeishan large igneous province: Insight from northern Vietnam," 2020, published in Geology
  • "Two series of Ediacaran collision-related granites in the Guéra Massif, South-Central Chad: Tectonomagmatic constraints on the terminal collision of the eastern Central African Orogenic Belt," 2020, published in Precambrian Research

The scientist's frequent coauthors include:

  • Yoshiyuki Iizuka
  • Meng-Wan Yeh
  • M.P. Manu Prasanth
  • J. Dostál
  • Steven W. Denyszyn

J. Gregory Shellnutt has contributed regularly to multiple academic journals and venues. Frequent publication platforms are:

  • Frontiers in Earth Science
  • Lithos
  • Precambrian Research
  • Journal of Asian Earth Sciences
  • Earth-Science Reviews

In addition to journal articles, the researcher has published in scholarly books. One recent book publication is "Developments in the Lithospheric Evolution of the Indo-Pacific Region," released in 2023 by Frontiers Media.

Best Publications

  • The Emeishan large igneous province: A synthesis

    J. Gregory Shellnutt

  • Permian peralkaline, peraluminous and metaluminous A-type granites in the Panxi district, SW China : Their relationship to the Emeishan mantle plume

    J. Gregory Shellnutt;Mei Fu Zhou

  • Precise age determination of mafic and felsic intrusive rocks from the Permian Emeishan large igneous province (SW China)

    J. Gregory Shellnutt;J. Gregory Shellnutt;Steven W. Denyszyn;Roland Mundil

  • Cretaceous ongonites (topaz-bearing albite-rich microleucogranites) from Ongon Khairkhan, Central Mongolia: Products of extreme magmatic fractionation and pervasive metasomatic fluid: Rock interaction

    Jaroslav Dostal;Daniel J. Kontak;Ochir Gerel;J. Gregory Shellnutt

  • The role of Fe-Ti oxide crystallization in the formation of A-type granitoids with implications for the Daly gap: An example from the Permian Baima igneous complex, SW China

    J. Gregory Shellnutt;J. Gregory Shellnutt;Mei Fu Zhou;Georg F. Zellmer

  • Zircon Lu-Hf isotopic compositions of metaluminous and peralkaline A-type granitic plutons of the Emeishan large igneous province (SW China): Constraints on the mantle source

    J. Gregory Shellnutt;Christina Yan Wang;Mei Fu Zhou;Yueheng Yang

  • No link between the Panjal Traps (Kashmir) and the Late Permian mass extinctions

    J. G. Shellnutt;J. G. Shellnutt;G. M. Bhat;M. E. Brookfield;B.-M. Jahn

  • Petrogenesis of the flood basalts from the Early Permian Panjal Traps, Kashmir, India: Geochemical evidence for shallow melting of the mantle

    J. Gregory Shellnutt;Ghulam M. Bhat;Kuo Lung Wang;Michael E. Brookfield

  • Magmatic duration of the Emeishan large igneous province: Insight from northern Vietnam

    J. Gregory Shellnutt;Thuy Thanh Pham;Steven W. Denyszyn;Meng Wan Yeh

  • Formation of Cretaceous Cordilleran and post-orogenic granites and their microgranular enclaves from the Dalat zone, southern Vietnam: Tectonic implications for the evolution of Southeast Asia

    J. Gregory Shellnutt;Ching Ying Lan;Trinh Van Long;Tadashi Usuki

  • Longevity of the Permian Emeishan mantle plume (SW China): 1 Ma, 8 Ma or 18 Ma?

    J. Gregory Shellnutt;Mei Fu Zhou;Dan Ping Yan;Yanbin Wang

  • Crustally-derived granites in the Panzhihua region, SW China: Implications for felsic magmatism in the Emeishan large igneous province

    J. Gregory Shellnutt;Bor Ming Jahn;Mei Fu Zhou

  • Three Fe-Ti oxide ore-bearing gabbro-granitoid complexes in the panxi region of the Permian Emeishan large igneous province, SW China

    J.g Shellnutt;Kuo Lung Wang;Georg F. Zellmer;Yoshiyuki Iizuka

  • Origin of the silicic volcanic rocks of the Early Permian Panjal Traps, Kashmir, India

    J. Gregory Shellnutt;Ghulam M. Bhat;Kuo Lung Wang;Michael E. Brookfield

  • Permian, rifting related fayalite syenite in the Panxi region, SW China

    J. Gregory Shellnutt;Mei Fu Zhou

  • Multiple mantle sources of the Early Permian Panjal Traps, Kashmir, India

    J. Gregory Shellnutt;Ghulam M. Bhat;Kuo Lung Wang;Meng Wan Yeh

  • A 1.88 Ga giant radiating mafic dyke swarm across southern India and Western Australia

    J. Gregory Shellnutt;Kosiyathu R. Hari;Alice C.Y. Liao;Steven W. Denyszyn

  • Timing of collisional and post-collisional Pan-African Orogeny silicic magmatism in south-central Chad

    J. Gregory Shellnutt;Ngoc Ha T. Pham;Steven W. Denyszyn;Meng Wan Yeh

  • Petrogenesis of Late Permian silicic rocks of Tu Le basin and Phan Si Pan uplift (NW Vietnam) and their association with the Emeishan large igneous province

    Trong Hoa Tran;Ching Ying Lan;Tadashi Usuki;J. Gregory Shellnutt

  • Petrogenesis of the 723 Ma Coronation sills, Amundsen basin, Arctic Canada: Implications for the break-up of Rodinia

    J.G Shellnutt;J Dostal;J.D Keppie

  • Correlation between magmatism of the Ladakh Batholith and plate convergence rates during the India–Eurasia collision

    J. Gregory Shellnutt;Tung Yi Lee;Michael E. Brookfield;Sun Lin Chung

Frequent Co-Authors

Yoshiyuki Iizuka
Yoshiyuki Iizuka Academia Sinica
Kuo-Lung Wang
Kuo-Lung Wang Academia Sinica
J. Brendan Murphy
J. Brendan Murphy St. Francis Xavier University
Mei-Fu Zhou
Mei-Fu Zhou Chinese Academy of Sciences
Sun-Lin Chung
Sun-Lin Chung National Taiwan University
Bor-ming Jahn
Bor-ming Jahn National Taiwan University
Georg F. Zellmer
Georg F. Zellmer University of Bonn
J. Duncan Keppie
J. Duncan Keppie National Autonomous University of Mexico
William L. Griffin
William L. Griffin Macquarie University
Suzanne Y. O'Reilly
Suzanne Y. O'Reilly Macquarie University

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