World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
43
Citations
7914
World Ranking
4913
National Ranking
1857

John W. Geissman 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 John W. Geissman 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: 352 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

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

John W. Geissman 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 John W. Geissman 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: 43 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2006 - Fellow of American Geophysical Union (AGU)
  • 2002 - GSA Distinguished Service Award, The Geological Society of America
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America

Overview

John W. Geissman is affiliated with The University of Texas at Dallas in the United States. Their research primarily focuses on the field of Earth and Planetary Sciences, with a significant volume of publications in this area. Subfields of study include Geophysics, Paleontology, Molecular Biology, Atmospheric Science, and Geology.

The main topics of Geissman's work cover a range of geological and paleontological themes. These include:

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

Frequent co-authors collaborating with Geissman include Roland Mundil, Cornelia Rasmussen, Paul E. Olsen, Christopher J. Lepre, and Robert A. Gastaldo.

Geissman has published extensively in several scientific journals. The most frequent publication venues are:

  • Geological Society of America Bulletin
  • Abstracts with Programs - Geological Society of America
  • Earth-Science Reviews
  • Geology
  • Tectonophysics

Some of their recent papers include:

  • The base of the Lystrosaurus Assemblage Zone, Karoo Basin, predates the end-Permian marine extinction (2020), published in Nature Communications
  • U-Pb zircon geochronology and depositional age models for the Upper Triassic Chinle Formation (Petrified Forest National Park, Arizona, USA): Implications for Late Triassic paleoecological and paleoenvironmental change (2020), Geological Society of America Bulletin
  • LA-ICPMS U-Pb geochronology of detrital zircon grains from the Coconino, Moenkopi, and Chinle formations in the Petrified Forest National Park (Arizona) (2020), Geochronology
  • Paleoenvironmental and paleoclimatic evolution and cyclo- and chrono-stratigraphy of upper Permian-Lower Triassic fluvial-lacustrine deposits in Bogda Mountains, NW China - Implications for diachronous plant evolution across the Permian-Triassic boundary (2021), Earth-Science Reviews
  • A tale of two Tweefonteins: What physical correlation, geochronology, magnetic polarity stratigraphy, and palynology reveal about the end-Permian terrestrial extinction paradigm in South Africa (2021), Geological Society of America Bulletin

John W. Geissman has received recognition from professional organizations, including being named a Fellow of the American Geophysical Union (AGU) in 2006 and receiving the GSA Distinguished Service Award from The Geological Society of America in 2002. Geissman is also a Fellow of the Geological Society of America.

Best Publications

  • Refining Rodinia: Geologic evidence for the Australia-Western U.S. Connection in the Proterozoic

    Karl E. Karlstrom;Stephen S. Harlan;Michael L. Williams;James McLelland

  • Long-lived (1.8-1.0 Ga) convergent orogen in southern Laurentia, its extensions to Australia and Baltica, and implications for refining Rodinia

    Karl E. Karlstrom;Karl Inge Åhäll;Stephen S. Harlan;Michael L. Williams

  • The Geological Society of America Geologic Time Scale

    J. D. Walker;J. W. Geissman;S. A. Bowring;Loren Babcock

  • Parabolic distribution of circumeastern Snake River Plain seismicity and latest Quaternary faulting: Migratory pattern and association with the Yellowstone hotspot

    Mark H. Anders;John Wm. Geissman;Lucille A. Piety;J. Timothy Sullivan

  • Chuar Group of the Grand Canyon: record of breakup of Rodinia, associated change in the global carbon cycle, and ecosystem expansion by 740 Ma

    Karl E. Karlstrom;Samuel A. Bowring;Carol M. Dehler;Andrew H. Knoll

  • Pyrometamorphic rocks associated with naturally burned coal beds, Powder River basin, Wyoming

    Michael A. Cosca;Eric J. Essene;John W. Geissman;William B. Simmons

  • Extended megadroughts in the southwestern United States during Pleistocene interglacials

    Peter J. Fawcett;Josef P. Werne;Josef P. Werne;Josef P. Werne;R. Scott Anderson;Jeffrey M. Heikoop

  • Is the vertebrate-defined Permian-Triassic boundary in the Karoo Basin, South Africa, the terrestrial expression of the end-Permian marine event?

    Robert A. Gastaldo;Sandra L. Kamo;Johann Neveling;John W. Geissman

  • Empirical evidence for stability of the 405-kiloyear Jupiter-Venus eccentricity cycle over hundreds of millions of years.

    Dennis V. Kent;Paul E. Olsen;Cornelia Rasmussen;Christopher Lepre

  • Proterozoic multistage (ca. 1.1 and 0.8 Ga) extension recorded in the Grand Canyon Supergroup and establishment of northwest- and north-trending tectonic grains in the southwestern United States

    J. Michael Timmons;Karl E. Karlstrom;Carol M. Dehler;John W. Geissman

  • Chapter 3: Structural development of a major extensional accommodation zone in the Basin and Range Province, northwestern Arizona and southern Nevada; Implications for kinematic models of continental extension

    James E. Faulds;John W. Geissman;Chris K. Mawer

  • 2009 GSA Geologic Time Scale

    J. D. Walker;J. W. Geissman

  • Relations between hinterland and foreland shortening: Sevier orogeny, central North American Cordillera

    Wanda J. Taylor;John M. Bartley;Mark W. Martin;John W. Geissman

  • The Teton fault, Wyoming: Topographic signature, neotectonics, and mechanisms of deformation

    John O. D. Byrd;Robert B. Smith;John W. Geissman

  • The Base of the Lystrosaurus Assemblage Zone, Karoo Basin, Predates the end-Permian Marine Extinction

    Robert A. Gastaldo;Sandra L. Kamo;Johann Neveling;John W. Geissman

  • Evolution and Strain Reorganization within Late Neogene Structural Stepovers Linking the Central Walker Lane and Northern Eastern California Shear Zone, Western Great Basin

    J. S. Oldow;J. W. Geissman;Daniel Stockli

  • Paleomagnetic and isotopic dating of thrust-belt deformation along the eastern edge of the Helena salient, northern Crazy Mountains Basin, Montana

    Steve S. Harlan;John Wm. Geissman;David R. Lageson;Lawrence W. Snee

  • Comparison of a paleosol-carbonate isotope record to other records of Pliocene-early Pleistocene climate in the western United States

    Gary A. Smith;Yang Wang;Thure E. Cerling;John W. Geissman

  • Environmental Magnetism: Principles and Applications of Enviromagnetics

    John Geissman

  • Rock Magnetism: Fundamentals and Frontiers

    John W. Geissman

  • Erratum: Extended megadroughts in the southwestern United States during Pleistocene interglacials (Nature (2011) 470 (518-521))

    Peter J. Fawcett;Josef P. Werne;Josef P. Werne;Josef P. Werne;R. Scott Anderson;Jeffrey M. Heikoop

Frequent Co-Authors

Eric C. Ferré
Eric C. Ferré New Mexico State University
Dennis V. Kent
Dennis V. Kent Lamont-Doherty Earth Observatory
Paul E. Olsen
Paul E. Olsen Lamont-Doherty Earth Observatory
Robert A. Gastaldo
Robert A. Gastaldo Colby College
Randall B. Irmis
Randall B. Irmis University of Utah
Roland Mundil
Roland Mundil Berkeley Geochronology Center
George E. Gehrels
George E. Gehrels University of Arizona
Rob Van der Voo
Rob Van der Voo University of Michigan–Ann Arbor
John S. Oldow
John S. Oldow Western Washington University
William C. McIntosh
William C. McIntosh New Mexico Institute of Mining and Technology

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For those interested in expanding their expertise in Earth Science, pursuing related fields through accredited online programs can open diverse career opportunities. An accredited online masters degree in human resource management is a valuable option for professionals looking to manage environmental organizations or science-focused teams effectively.

Seniors and returning students often seek flexible educational paths. Several institutions offer one year degree programs for seniors, allowing them to quickly gain relevant skills or pivot their careers toward Earth Science-related fields or support services.

Another promising area is library and information science, especially for those passionate about managing Earth Science data. Enrolling in an ala-accredited program ensures a high-quality education that meets professional standards.

Completing a library science masters degree online offers skills essential in organizing scientific research, making this a practical pathway for those interested in supporting Earth Science research initiatives.

Best Scientists Citing John W. Geissman

Trending Scientists