World's Best Scientists 2026 revealed!
Michael J. Toplis

Michael J. Toplis

Michael J. Toplis 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 Michael J. Toplis 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+

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

Michael J. Toplis 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 Michael J. Toplis 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+

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

Overview

Michael J. Toplis is affiliated with Paul Sabatier University in France and specializes in Earth and Planetary Sciences and Physics and Astronomy. Their research is primarily concentrated in several interrelated subfields, including Geophysics, Astronomy and Astrophysics, Materials Chemistry, Building and Construction, and Atmospheric Science.

The main topics of their work cover Geological and Geochemical Analysis, Planetary Science and Exploration, High-pressure Geophysics and Materials, Astro and Planetary Science, Recycling and Utilization of Industrial and Municipal Waste in Materials Production, earthquake and tectonic studies, and Geochemistry and Geologic Mapping.

Recent publications by Toplis include:

  • SuperCam Calibration Targets: Design and Development (2020), published in Space Science Reviews
  • Transient HCl in the atmosphere of Mars (2021), published in Science Advances
  • Petrological Traverse of the Olivine Cumulate Séítah Formation at Jezero Crater, Mars: A Perspective From SuperCam Onboard Perseverance (2023), published in Journal of Geophysical Research Planets
  • In situ determination of sulfur speciation and partitioning in aqueous fluid-silicate melt systems (2020), published in Geochemical Perspectives Letters
  • Trace element partitioning between clinopyroxene, magnetite, ilmenite and ferrobasaltic to dacitic magmas: an experimental study on the role of oxygen fugacity and melt composition (2022), published in Contributions to Mineralogy and Petrology

Frequent co-authors collaborating with Toplis include Anastassia Y. Borisova, Nail R. Zagrtdenov, Jérémy Guignard, О. Г. Сафонов, and Georges Ceuleneer.

The scientist's research has appeared in various publication venues, with multiple contributions to arXiv (Cornell University) and Goldschmidt2021 abstracts. Other frequent venues include Physics of The Earth and Planetary Interiors, Journal of Non-Crystalline Solids, and Space Science Reviews.

Best Publications

  • An Experimental Study of the Influence of Oxygen Fugacity on Fe-Ti Oxide Stability, Phase Relations, and Mineral—Melt Equilibria in Ferro-Basaltic Systems

    M. J. Toplis;M. R. Carroll

  • The thermodynamics of iron and magnesium partitioning between olivine and liquid: criteria for assessing and predicting equilibrium in natural and experimental systems

    M. J. Toplis

  • Dawn at Vesta: Testing the Protoplanetary Paradigm

    C. T. Russell;C. A. Raymond;A. Coradini;H. Y. McSween

  • The ChemCam Instrument Suite on the Mars Science Laboratory (MSL) Rover: Science Objectives and Mast Unit Description

    S. Maurice;R. C. Wiens;M. Saccoccio;B. Barraclough

  • An experimental study of element partitioning between magnetite, clinopyroxene and iron-bearing silicate liquids with particular emphasis on vanadium

    Michael J. Toplis;Alexandre Corgne

  • Peraluminous viscosity maxima in Na2OAl2O3SiO2 liquids: The role of triclusters in tectosilicate melts

    Michael J. Toplis;Donald B. Dingwell;Tommaso Lenci

  • Ammoniated phyllosilicates with a likely outer Solar System origin on (1) Ceres

    M. C. De Sanctis;E. Ammannito;E. Ammannito;A. Raponi;S. Marchi;S. Marchi

  • Spectroscopic Characterization of Mineralogy and Its Diversity Across Vesta

    M. C. De Sanctis;E. Ammannito;M. T. Capria;F. Tosi

  • Bright carbonate deposits as evidence of aqueous alteration on (1) Ceres

    M. C. De Sanctis;A. Raponi;E. Ammannito;E. Ammannito;M. Ciarniello

  • The SuperCam Instrument Suite on the NASA Mars 2020 Rover: Body Unit and Combined System Tests

    Roger C. Wiens;Sylvestre Maurice;Scott H. Robinson;Anthony E. Nelson

  • In situ evidence for continental crust on early Mars

    V. Sautter;M. J. Toplis;R. C. Wiens;A. Cousin

  • Elemental mapping by Dawn reveals exogenic H in Vesta's regolith.

    Thomas H. Prettyman;David W. Mittlefehldt;Naoyuki Yamashita;David J. Lawrence

  • The SuperCam Instrument Suite on the Mars 2020 Rover: Science Objectives and Mast-Unit Description

    Sylvestre Maurice;R. Wiens;P. Bernardi;P. Caïs

  • Shear viscosities of CaO-Al2O3-SiO2 and MgO-Al2O3-SiO2 liquids: Implications for the structural role of aluminium and the degree of polymerisation of synthetic and natural aluminosilicate melts

    Michael J. Toplis;Donald B. Dingwell

  • A partially differentiated interior for (1) Ceres deduced from its gravity field and shape

    R.S. Park;A.S. Konopliv;B.G. Bills;N. Rambaux

  • Extensive water ice within Ceres’ aqueously altered regolith: Evidence from nuclear spectroscopy

    T. H. Prettyman;N. Yamashita;M. J. Toplis;H. Y. McSween

  • Distribution of phyllosilicates on the surface of Ceres.

    E. Ammannito;M. C. DeSanctis;M. Ciarniello;A. Frigeri

  • Crystallization Sequence and Magma Chamber Processes in the Ferrobasaltic Sept Iles Layered Intrusion, Canada

    Olivier Namur;Bernard Charlier;Michael J. Toplis;Michael D. Higgins

  • ChemCam activities and discoveries during the nominal mission of the Mars Science Laboratory in Gale crater, Mars

    S. Maurice;S. M. Clegg;R. C. Wiens;O. Gasnault

  • Differentiation of Ferro-Basaltic Magmas under Conditions Open and Closed to Oxygen: Implications for the Skaergaard Intrusion and Other Natural Systems

    M. J. Toplis;M. R. Carroll

Frequent Co-Authors

Harry Y. McSween
Harry Y. McSween University of Tennessee at Knoxville
Thomas H. Prettyman
Thomas H. Prettyman Planetary Science Institute
M. C. De Sanctis
M. C. De Sanctis National Institute for Astrophysics
Federico Tosi
Federico Tosi National Institute for Astrophysics
Ralf Jaumann
Ralf Jaumann Freie Universität Berlin
Christopher T. Russell
Christopher T. Russell University of California, Los Angeles
David J. Lawrence
David J. Lawrence Johns Hopkins University Applied Physics Laboratory
Timothy J. McCoy
Timothy J. McCoy National Museum of Natural History
Andreas Nathues
Andreas Nathues Max Planck Society
David Baratoux
David Baratoux Paul Sabatier University

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

Pursuing an online degree in Earth Science opens doors to diverse career paths, but students should also consider complementary fields to enhance their expertise and job prospects. For example, some veterans explore online photography degrees for veterans, which can be valuable in documenting geological projects or environmental changes.

In addition, acquiring language skills is increasingly important in global scientific collaboration. Programs like spanish programs online for veterans and other online degrees in spanish offer versatile options for those interested in broadening their communication capabilities.

For students interested in creative applications of Earth Science, such as visualizing data or producing educational content, exploring online mfa visual arts programs provides an avenue to combine scientific knowledge with artistic skills.

Balancing subject mastery with complementary skills through these related online programs can greatly enhance career flexibility and advancement in the evolving Earth Science field.

Best Scientists Citing Michael J. Toplis

Trending Scientists

Recently Published Articles