World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
70
Citations
16379
World Ranking
985
National Ranking
97

Ian A. Franchi 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 Ian A. Franchi sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

This scientist: 551 publications — 98th percentile

98% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

Ian A. Franchi 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 Ian A. Franchi sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

This scientist: 70 D-Index — 88th percentile

88% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

Overview

Ian A. Franchi is affiliated with The Open University in the United Kingdom. Their research spans multiple domains within physics and astronomy, with a primary focus on planetary science and related fields. Their extensive publication record reflects a substantial contribution to the understanding of planetary materials and processes.

Their work covers the following main fields of study:

  • Physics and Astronomy
  • Earth and Planetary Sciences

In terms of subfields, their research includes:

  • Astronomy and Astrophysics
  • Geophysics
  • Ecology
  • Atmospheric Science
  • Geochemistry and Petrology

Ian A. Franchi's scientific topics focus on:

  • Astro and Planetary Science
  • Planetary Science and Exploration
  • Isotope Analysis in Ecology
  • Geological and Geochemical Analysis
  • High-pressure geophysics and materials
  • Geology and Paleoclimatology Research
  • Stellar, planetary, and galactic studies

Their recent published papers include:

  • "Linking asteroids and meteorites to the primordial planetesimal population" (2020), published in Geochimica et Cosmochimica Acta
  • "A pristine record of outer Solar System materials from asteroid Ryugu's returned sample" (2022), published in Nature Astronomy
  • "Asteroid (101955) Bennu in the laboratory: Properties of the sample collected by OSIRIS-REx" (2024), published in Meteoritics and Planetary Science
  • "Multiple early-formed water reservoirs in the interior of Mars" (2020), published in Nature Geoscience
  • "The Winchcombe meteorite, a unique and pristine witness from the outer solar system" (2022), published in Science Advances

The venues of publication where Ian A. Franchi has frequently contributed include:

  • Meteoritics and Planetary Science
  • Geochimica et Cosmochimica Acta
  • Nature Astronomy
  • Earth and Planetary Science Letters
  • Nature Geoscience

Frequent co-authors in their work are:

  • R. C. Greenwood
  • M. Anand
  • X. Zhao
  • S. S. Russell
  • M. M. Grady

Best Publications

  • Further characterisation of the 91500 zircon crystal

    Michael Wiedenbeck;John M. Hanchar;William H. Peck;Paul Sylvester

  • Comet 81P/Wild 2 under a microscope.

    Don Brownlee;Peter Tsou;Jérôme Aléon;Conel M O'd Alexander

  • Organics captured from comet 81P/Wild 2 by the Stardust spacecraft.

    Scott A. Sandford;Jérôme Aléon;Conel M. O. 'D. Alexander;Tohru Araki

  • Widespread magma oceans on asteroidal bodies in the early Solar System

    Richard C. Greenwood;Ian A. Franchi;Albert Jambon;Paul C. Buchanan

  • Impact features on Stardust : implications for Comet 81P/Wild 2 dust

    Friedrich Horz;Ron Bastien;Janet Borg;John P. Bradley

  • The oxygen-isotopic composition of Earth and Mars

    I. A. Franchi;I. P. Wright;A. S. Sexton;C. T. Pillinger

  • High precision δ17O isotope measurements of oxygen from silicates and other oxides: method and applications

    M. F. Miller;I. A. Franchi;A. S. Sexton;C. T. Pillinger

  • Elemental Compositions of Comet 81P/Wild 2 Samples Collected by Stardust

    George J. Flynn;Pierre Bleuet;Janet Borg;John P. Bradley

  • The Paris meteorite, the least altered CM chondrite so far

    Roger H. Hewins;Roger H. Hewins;Michèle Bourot-Denise;Brigitte Zanda;Hugues Leroux

  • Infrared Spectroscopy of Comet 81P/Wild 2 Samples Returned by Stardust

    Lindsay P. Keller;Sasa Bajt;Giuseppe A. Baratta;Janet Borg

  • Carbon and nitrogen in carbonaceous chondrites: Elemental abundances and stable isotopic compositions

    V. K. Pearson;M. A. Sephton;I. A. Franchi;J. M. Gibson

  • Oxygen isotopic constraints on the origin and parent bodies of eucrites, diogenites, and howardites

    Edward R.D. Scott;Richard C. Greenwood;Ian A. Franchi;Ian S. Sanders

  • Pinpointing the Source of a Lunar Meteorite: Implications for the Evolution of the Moon

    Edwin Gnos;Beda A. Hofmann;Ali Al-Kathiri;Silvio Lorenzetti

  • The Stannern trend eucrites: Contamination of main group eucritic magmas by crustal partial melts

    J.A. Barrat;A. Yamaguchi;R.C. Greenwood;M. Bohn

  • Melting and differentiation of early-formed asteroids: The perspective from high precision oxygen isotope studies

    Richard C. Greenwood;Thomas H. Burbine;Martin F. Miller;Ian. A. Franchi

  • Clay mineral‐organic matter relationships in the early solar system

    Victoria K. Pearson;Mark A. Sephton;Anton T. Kearsley;Philip A. Bland

  • The abundance, distribution, and isotopic composition of Hydrogen in the Moon as revealed by basaltic lunar samples: Implications for the volatile inventory of the Moon

    Romain Tartèse;Mahesh Anand;Mahesh Anand;Jessica J. Barnes;Jessica J. Barnes;Natalie A. Starkey

  • Light element geochemistry of the Tagish Lake CI2 chondrite: Comparison with CI1 and CM2 meteorites

    Monica M. Grady;A. B. Verchovsky;I. A. Franchi;I. P. Wright

  • The origin of water in the primitive Moon as revealed by the lunar highlands samples

    Jessica J. Barnes;Jessica J. Barnes;Romain Tartèse;Mahesh Anand;Mahesh Anand;Francis M. McCubbin

  • Tissint Martian Meteorite: A Fresh Look at the Interior, Surface, and Atmosphere of Mars

    H. Chennaoui Aoudjehane;G. Avice;Jean-Alix Barrat;Omar Boudouma

  • Experimental investigation of F, Cl, and OH partitioning between apatite and Fe-rich basaltic melt at 1.0–1.2 GPa and 950–1000 °C

    Francis M. McCubbin;Kathleen E. Vander Kaaden;Romain Tartèse;Jeremy W. Boyce

Frequent Co-Authors

Richard C. Greenwood
Richard C. Greenwood The Open University
Mahesh Anand
Mahesh Anand The Open University
Monica M. Grady
Monica M. Grady The Open University
Ian Wright
Ian Wright The Open University
Sara S. Russell
Sara S. Russell Natural History Museum
Romain Tartèse
Romain Tartèse University of Manchester
John Bridges
John Bridges University of Leicester
C. T. Pillinger
C. T. Pillinger The Open University
Jean-Alix Barrat
Jean-Alix Barrat University of Western Brittany
Philip A. Bland
Philip A. Bland Curtin University

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