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Koji Kawashita 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 Koji Kawashita 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+

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

Koji Kawashita 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 Koji Kawashita 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+

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

Overview

Koji Kawashita is affiliated with the Universidade de São Paulo in Brazil, where their research spans several key areas within Earth and Planetary Sciences. Their work focuses on the study and analysis of geological and geochemical processes, integrating specialized fields such as Geochemistry and Petrology, Paleontology, and Geophysics.

The main research topics addressed by Koji Kawashita include:

  • Geochemistry and Elemental Analysis
  • Paleontology and Stratigraphy of Fossils
  • Geological and Geochemical Analysis

Kawashita's publication record includes research published in the Journal of South American Earth Sciences. A notable recent paper is titled "Sr-Nd isotopic constraints on carbonates, conodonts, and brachiopods of Early-Middle Pennsylvanian Itaituba and Nova Olinda formations, Amazonas Basin, Brazil", published in 2021. This work contributes to the understanding of isotopic signatures in various fossil and carbonate materials from formations in the Amazonas Basin.

The scientist collaborates with several co-authors, reflecting a multidisciplinary approach in their studies. Frequent co-authors include:

  • Edinei Koester
  • Ana Karina Scomazzon
  • Moacir José Buenano Macambira
  • Luciane Profs Moutinho
  • Sara Nascimento

Kawashita's expertise covers a range of geochemical and paleontological methods used to interpret geological formations and their fossil contents. Their work contributes to the broader knowledge of the geological history and stratigraphy of South American basins, notably through isotopic studies that help clarify depositional environments and diagenetic processes involving carbonates and fossil materials.

Their academic output, although currently represented by one main publication in indexed scientific journals, shows a cross-disciplinary integration of Earth sciences subfields. These include the chemical composition of geological samples, the study of fossil records to understand ancient ecosystems, and physical geological surveys.

This profile reflects Koji Kawashita's involvement in advancing research on Earth materials within South America, highlighting a focus on isotopic geochemistry and paleontological stratigraphy. This research direction serves as a resource for future studies on regional geology and fossil records in Brazil and adjacent areas.

Best Publications

  • A review of the geochronology of the Amazonian Craton: Tectonic implications

    Wilson Teixeira;Colombo Celso Gaeta Tassinari;Umberto Giuseppe Cordani;Koji Kawashita

  • The precambrian evolution of the South American cratonic margin south of the Amazon River

    F. F. M. de Almeida;G. Amaral;U. G. Cordani;K. Kawashita

  • Potassium-argon ages of alkaline rocks from southern Brazil

    G. Amaral;J. Bushee;U.G. Cordani;K. Kawashita

  • Potassium-argon dates of basaltic rocks from Southern Brazil

    G. Amaral;U.G. Cordani;K. Kawashita;J.H. Reynolds

  • Test of Continental Drift by Comparison of Radiometric Ages: A pre-drift reconstruction shows matching geologic age provinces in West Africa and Northern Brazil.

    P. M. Hurley;J. R. Rand;W. H. Pinson;H. W. Fairbairn

  • O metodo geocronologico sm-nd no ig/usp e suas aplicacoes

    Kei Sato;Colombo Celso Gaeta Tassinari;Koji Kawashita;Liliane Aparecida Petronilho

  • Evolução tectônica da Amazônia com base nos dados geocronológicos

    Umberto G. Cordani;Colombo Celso Gaeta Tassinari;Wilson Teixeira;Miguel Angelo Stipp Basei

  • 40Ar/39Ar geochronology at the Instituto de Geociências, USP: instrumentation, analytical procedures, and calibration

    Paulo M. Vasconcelos;Artur Takashi Onoe;Koji Kawashita;Adalberto José Soares

  • Isotope geochemistry and geochronology of the Nico Pérez Terrane, Rio de la Plata Craton, Uruguay

    Guilherme Mallmann;Farid Chemale;Janaina N. Avila;K. Kawashita

  • A evolucao geocronologica da cordilheira do Espinhaco. Dados novos e integracao

    Benjamin Bley De Brito Neves;Koji Kawashita;Umberto Giuseppe Cordani;Jaques Delhal

  • Lu–Hf and U–Pb age determination of Capivarita Anorthosite in the Dom Feliciano Belt, Brazil

    Farid Chemale;Ruy Paulo Philipp;Ivo Antonio Dussin;Milton Luiz Liquintinie Formoso

  • New isotopic ages and the timing of orogenic events in the Cordillera Darwin, southernmost Chilean Andes

    F. Hervé;E. Nelson;K. Kawashita;M. Suárez

  • PbPb, RbSr, and KAr systematics of the Lagoa Real uranium province (south-central Bahia, Brazil) and the Espinhaço cycle (ca. 1.5-1.0 Ga)

    U.G Cordani;S.S Iyer;P.N Taylor;K Kawashita

  • Time constraints on magmatism along the Major Gercino Shear Zone, southern Brazil: implications for West Gondwana reconstruction

    Farid Chemale;Guilherme Mallmann;Guilherme Mallmann;Maria de Fátima Bitencourt;Koji Kawashita

  • The precambrian evolution of South America

    Umberto G. Cordani;Gilberto Amaral;Koji Kawashita

  • U-Pb zircon in situ dating with LA-MC-ICP-MS using a mixed detector configuration

    Farid Chemale;Koji Kawashita;Ivo A. Dussin;Janaina Avila

  • BIMODAL FISSURAL VOLCANIC SUITES FROM THE PARANÁ BASIN (BRAZIL): K Ar AGE, Sr-ISOTOPES AND GEOCHEMISTRY

    E. M. Piccirillo;Maria Irene Bartolomeu Raposo;Adolpho José Melfi;P. Comin-Chiaramonti

  • Combined stratigraphic and isotopic studies of Triassic strata, Cuyo Basin, Argentine Precordillera

    Janaina N. Avila;Farid Chemale;Guilherme Mallmann;K. Kawashita

  • Applicability of the rubidium-strontium method to shales and related rocks

    Umberto G. Cordani;Koji Kawashita;Antonio Thomaz Filho

  • PRÉ-BRASILIANO OROGENIC EVOLUTION IN THE SERIDÓ BELT, NE BRAZIL: CONFLICTING GEOCHRONOLOGICAL AND STRUCTURAL DATA

    Emanuel Ferraz Jardim De Sa;Reinhardt Adolfo Fuck;Maria Helena De Freitas Macedo;Jean Jacques Peucat

Frequent Co-Authors

Umberto G. Cordani
Umberto G. Cordani Universidade de São Paulo
Colombo Celso Gaeta Tassinari
Colombo Celso Gaeta Tassinari Universidade de São Paulo
Wilson Teixeira
Wilson Teixeira Universidade de São Paulo
Farid Chemale
Farid Chemale Universidade do Vale do Rio dos Sinos
Paul N. Taylor
Paul N. Taylor University of Western Australia
Kei Sato
Kei Sato National Institute for Environmental Studies
Benjamim Bley de Brito Neves
Benjamim Bley de Brito Neves Universidade de São Paulo
Marly Babinski
Marly Babinski Universidade de São Paulo
Francisco Hervé
Francisco Hervé Andrés Bello University
Ivo Antônio Dussin
Ivo Antônio Dussin Universidade Federal de Minas Gerais

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