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D-Index & Metrics

Earth Science

D-Index
39
Citations
6330
World Ranking
6099
National Ranking
2193

Gregory W. Kallemeyn 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 Gregory W. Kallemeyn 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: 91 publications — 8th percentile

8% of scientists in this discipline score the same or lower.

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

Gregory W. Kallemeyn 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 Gregory W. Kallemeyn 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: 39 D-Index — 35th percentile

35% of scientists in this discipline score the same or lower.

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

Overview

Gregory W. Kallemeyn is affiliated with the University of California, Los Angeles in the United States. Their academic career is connected to this institution, where they have contributed to research and the academic community.

Although specific details about papers, co-authors, publication venues, fields of study, subfields, or main topics are not provided, the association with a major research university implies involvement in scholarly activities and contributions pertinent to their academic discipline.

There is no publicly available record of recent papers, book publications, or notable awards associated with Gregory W. Kallemeyn. Consequently, information on publication trends, collaborative networks, or areas of expertise is limited.

Without data on research topics or subfields, it is not possible to specify the exact focus of Gregory W. Kallemeyn's work or its thematic concentration. The absence of citation counts or other metrics also limits an assessment of research impact based on available data.

Gregory W. Kallemeyn is currently living, and any future updates on their scholarly activities may provide a more comprehensive understanding of their research contributions and academic influence.

Best Publications

  • Compositions of chondrites

    J. T. Wasson;G. W. Kallemeyn

  • Ordinary chondrites; bulk compositions, classification, lithophile-element fractionations, and composition-petrographic type relationships

    Gregory W Kallemeyn;Alan E Rubin;Daode Wang;John T Wasson

  • THE COMPOSITIONAL CLASSIFICATION OF CHONDRITES. VI: THE CR CARBONACEOUS CHONDRITE GROUP

    Gregory W. Kallemeyn;Alan E. Rubin;John T. Wasson

  • The IAB Iron-Meteorite Complex: A Group, Five Subgroups, Numerous Grouplets, Closely Related, Mainly Formed by Crystal Segregation in Rapidly Cooling Melts

    J.T Wasson;G.W Kallemeyn

  • The compositional classification of chondrites: V. The Karoonda (CK) group of carbonaceous chondrites

    Gregory W. Kallemeyn;Alan E. Rubin;John T. Wasson

  • The compositional classification of chondrites: II The enstatite chondrite groups

    Derek W. Sears;Gregory W. Kallemeyn;John T. Wasson

  • Compositions of enstatite (EH3, EH4,5 and EL6) chondrites: Implications regarding their formation

    Gregory W. Kallemeyn;John T. Wasson

  • The compositional classification of chondrites: III. Ungrouped carbonaceous chondrites

    Gregory W. Kallemeyn;John T. Wasson

  • The compositional classification of chondrites: VII. The R chondrite group

    Gregory W. Kallemeyn;Alan E. Rubin;John T. Wasson

  • Siderophile and other geochemical constraints on mixing relationships among HED-meteoritic breccias

    Paul H. Warren;Gregory W. Kallemeyn;Heinz Huber;Finn Ulff-Møller

  • Explosive volcanism and the graphite-oxygen fugacity buffer on the parent asteroid(s) of the ureilite meteorites

    Paul H. Warren;Gregory W. Kallemeyn

  • Allan Hills 85085: A subchondritic meteorite of mixed nebular and regolithic heritage

    John T. Wasson;Gregory W. Kallemeyn

  • Siderophile geochemistry of ureilites : A record of early stages of planetesimal core formation

    Paul H. Warren;Finn Ulff-Møller;Heinz Huber;Gregory W. Kallemeyn

  • Formation of metal and silicate globules in Gujba: a new Bencubbin-like meteorite fall

    Alan E. Rubin;Gregory W. Kallemeyn;John T. Wasson;Robert N. Clayton

  • The compositional classification of chondrites: IV. Ungrouped chondritic meteorites and clasts

    Gregory W. Kallemeyn;John T. Wasson

  • Origin of planetary cores: evidence from highly siderophile elements in martian meteorites

    Paul H. Warren;Gregory W. Kallemeyn;Frank T. Kyte

  • Seventh Foray - Whitlockite-rich lithologies, a diopside-bearing troctolitic anorthosite, ferroan anorthosites, and KREEP

    Paul H. Warren;G. Jeffrey Taylor;Klaus Keil;Gregory W. Kallemeyn

  • Compositions and taxonomy of 15 unusual carbonaceous chondrites

    Won Hie Choe;Heinz Huber;Alan E. Rubin;Gregory W. Kallemeyn

  • Pecora Escarpment 91002: A member of the new Rumuruti (R) chondrite group

    Alan E. Rubin;Gregory W. Kallemeyn

  • "New" lunar meteorites: Impact melt and regolith breccias and large-scale heterogeneities of the upper lunar crust

    Paul H. Warren;Finn Ulff-Møller;Gregory W. Kallemeyn

Frequent Co-Authors

Paul H. Warren
Paul H. Warren University of California, Los Angeles
John T. Wasson
John T. Wasson University of California, Los Angeles
Alan E. Rubin
Alan E. Rubin University of California, Los Angeles
Klaus Keil
Klaus Keil University of Hawaii at Manoa
Robert N. Clayton
Robert N. Clayton University of Chicago
G. Jeffrey Taylor
G. Jeffrey Taylor University of Hawaii at Manoa
Toshiko K. Mayeda
Toshiko K. Mayeda University of Chicago
Monica M. Grady
Monica M. Grady The Open University
Martin Prinz
Martin Prinz American Museum of Natural History
Derek W. G. Sears
Derek W. G. Sears Ames Research Center

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Related Online Degrees & Career Pathways

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For those interested in the visual documentation of environmental changes, pursuing a digital photography degree online can be a strategic complement to Earth Science studies. This skillset opens up career paths in scientific communication and environmental monitoring, blending creativity with technical expertise.

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