World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
41
Citations
6537
World Ranking
5517
National Ranking
2036

Mary F. Horan 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 Mary F. Horan 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: 96 publications — 9th percentile

9% of scientists in this discipline score the same or lower.

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

Mary F. Horan 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 Mary F. Horan 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: 41 D-Index — 30th percentile

30% of scientists in this discipline score the same or lower.

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

Overview

Mary F. Horan is affiliated with the Carnegie Institution for Science in the United States and has a primary research focus in Earth and Planetary Sciences. Their body of work is concentrated within several subfields, including Geophysics, Astronomy and Astrophysics, Ecology, Geochemistry and Petrology, and Paleontology.

The scientist's research spans a range of topics, notably Geological and Geochemical Analysis, earthquake and tectonic studies, High-pressure geophysics and materials, Isotope Analysis in Ecology, Paleontology and Stratigraphy of Fossils, Astro and Planetary Science, and Planetary Science and Exploration.

Mary F. Horan has published extensively, with recent papers covering diverse geological and geochemical themes. These include:

  • Ultra-depleted 2.05 Ga komatiites of Finnish Lapland: Products of grainy late accretion or core-mantle interaction? (2020, Chemical Geology)
  • The komatiite testimony to ancient mantle heterogeneity (2022, Chemical Geology)
  • Tungsten-182 evidence for an ancient kimberlite source (2021, Proceedings of the National Academy of Sciences)
  • Early global mantle chemical and isotope heterogeneity revealed by the komatiite-basalt record: The Western Australia connection (2021, Geochimica et Cosmochimica Acta)
  • History of crustal growth in Africa and the Americas from detrital zircon and Nd isotopes in glacial diamictites (2022, Precambrian Research)

The frequent collaborators contributing to their work include R. J. Walker, Igor S. Puchtel, Richard W. Carlson, Marek Locmelis, and Ikshu Gautam.

Their studies appear regularly in several publication venues, with multiple contributions to Goldschmidt2021 abstracts, Chemical Geology, and Goldschmidt Abstracts. Additional venues include the Proceedings of the National Academy of Sciences and Geochimica et Cosmochimica Acta.

Best Publications

  • Highly siderophile element composition of the Earth’s primitive upper mantle: Constraints from new data on peridotite massifs and xenoliths

    H. Becker;H. Becker;M.F. Horan;R.J. Walker;S. Gao

  • Highly siderophile elements in chondrites

    M.F. Horan;R.J. Walker;J.W. Morgan;J.N. Grossman

  • Comparative 187Re-187Os systematics of chondrites: Implications regarding early solar system processes

    R.J Walker;M.F Horan;J.W Morgan;H Becker

  • RE-OS ISOTOPIC EVIDENCE FOR AN ENRICHED-MANTLE SOURCE FOR THE NORIL'SK-TYPE, ORE-BEARING INTRUSIONS, SIBERIA

    R.J Walker;J.W Morgan;M.F Horan;G.K Czamanske

  • Residual platinum-group minerals from highly depleted harzburgites of the Lherz massif (France) and their role in HSE fractionation of the mantle

    Ambre Luguet;Ambre Luguet;Steven B. Shirey;Jean-Pierre Lorand;Mary F. Horan

  • Contributors to chromium isotope variation of meteorites

    Liping Qin;Conel M. O. 'D. Alexander;Richard W. Carlson;Mary F. Horan

  • Applications of the 190Pt186Os isotope system to geochemistry and cosmochemistry

    Richard J. Walker;John W. Morgan;John W. Morgan;Ellyn S. Beary;Michael I. Smoliar

  • Chondrite Barium, Neodymium, and Samarium Isotopic Heterogeneity and Early Earth Differentiation

    Richard W. Carlson;Maud Boyet;Mary Horan

  • Osmium-187 enrichment in some plumes: evidence for core-mantle interaction?

    Richard J. Walker;John W. Morgan;Mary F. Horan

  • Strontium isotope geochemistry of groundwaters and streams affected by agriculture, Locust Grove, MD

    J.K Böhlke;M Horan

  • Heterogeneous accretion and the moderately volatile element budget of Earth.

    M. Schönbächler;M. Schönbächler;R. W. Carlson;M. F. Horan;T. D. Mock

  • 182W and 187Re-187Os Systematics of Iron Meteorites: Chronology for Melting, Differentiation, and Crystallization in Asteroids

    M.F. Horan;M.I. Smoliar;R.J. Walker

  • Rhenium and osmium isotopes in black shales and Ni-Mo-PGE-rich sulfide layers, Yukon Territory, Canada, and Hunan and Guizhou provinces, China

    M.F Horan;J.W Morgan;R.I Grauch;R.M Coveney

  • Preservation of Earth-forming events in the tungsten isotopic composition of modern flood basalts.

    Hanika Rizo;Richard J. Walker;Richard W. Carlson;Mary F. Horan

  • Siderophile elements in Earth's upper mantle and lunar breccias: Data synthesis suggests manifestations of the same late influx

    J. W. Morgan;J. W. Morgan;R. J. Walker;A. D. Brandon;A. D. Brandon;M. F. Horan

  • Re — Os isotopic constraints on the origin of volcanic rocks, Gorgona Island, Colombia: Os isotopic evidence for ancient heterogeneities in the mantle

    R. J. Walker;L. M. Echeverria;S. B. Shirey;M. F. Horan

  • Osmium and neodymium isotopic constraints on the temporal and spatial evolution of Siberian flood basalt sources

    M.F. Horan;R.J. Walker;V.A. Fedorenko;G.K. Czamanske

  • Rhenium-osmium concentration and isotope systematics in group IIAB iron meteorites

    John W. Morgan;Mary F. Horan;Richard J. Walker;Jeffrey N. Grossman

  • Pt-Re-Os systematics of group IIAB and IIIAB iron meteorites

    D.L Cook;R.J Walker;M.F Horan;J.T Wasson

  • Low Abundances of Highly Siderophile Elements in the Lunar Mantle: Evidence for Prolonged Late Accretion

    R. J. Walker;M. F. Horan;C. K. Shearer;J. J. Papike

Frequent Co-Authors

Richard J. Walker
Richard J. Walker University of Maryland, College Park
Richard W. Carlson
Richard W. Carlson Carnegie Institution for Science
John W. Morgan
John W. Morgan University of Maryland, College Park
Maud Boyet
Maud Boyet University of Clermont Auvergne
Steven B. Shirey
Steven B. Shirey Carnegie Institution for Science
Igor S. Puchtel
Igor S. Puchtel University of Maryland, College Park
Janne Blichert-Toft
Janne Blichert-Toft École Normale Supérieure de Lyon
Harry Becker
Harry Becker Freie Universität Berlin
Lars E. Borg
Lars E. Borg Lawrence Livermore National Laboratory

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