World's Best Scientists 2026 revealed!
O. Tapani Rämö

O. Tapani Rämö

D-Index & Metrics

Earth Science

D-Index
32
Citations
3869
World Ranking
8690
National Ranking
16

O. Tapani Rämö 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 O. Tapani Rämö 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: 118 publications — 20th percentile

20% of scientists in this discipline score the same or lower.

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

O. Tapani Rämö 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 O. Tapani Rämö 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: 32 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

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

Overview

O. Tapani Rämö is affiliated with the University of Helsinki in Finland. Their research primarily spans the field of Earth and Planetary Sciences, with a particular focus on subfields such as Geophysics, Artificial Intelligence, Geology, Geochemistry and Petrology, and Mechanics of Materials.

The scientist's work covers key topics including:

  • Geological and Geochemical Analysis
  • High-pressure geophysics and materials
  • Geochemistry and Geologic Mapping
  • Earthquake and tectonic studies
  • Geological Studies and Exploration
  • Geochemistry and Elemental Analysis
  • Hydrocarbon exploration and reservoir analysis

O. Tapani Rämö has contributed to various respected publication venues, with frequent publications in:

  • Mineralium Deposita
  • Abstracts with programs - Geological Society of America
  • Journal of Petrology
  • Lithos
  • Tectonics

Some notable recent papers authored or co-authored by Rämö include:

  • "The Vaasa Migmatitic Complex (Svecofennian Orogen, Finland): Buildup of a LP-HT Dome During Nuna Assembly," 2020, Tectonics
  • "Petrography, geochemistry, and geochronology of the Sc-enriched Kiviniemi ferrodiorite intrusion, eastern Finland," 2020, Mineralium Deposita
  • "Timing and Petrogenesis of the Permo-Carboniferous Larvik Plutonic Complex, Oslo Rift, Norway: New Insights from U-Pb, Lu-Hf, and O Isotopes in Zircon," 2022, Journal of Petrology
  • "Open-system Evolution of a Crustal-scale Magma Column, Klamath Mountains, California," 2021, Journal of Petrology
  • "Silver isotope analysis and systematics of native gold from the Rajapalot Co-enriched gold deposit, Finnish Lapland," 2023, Mineralium Deposita

Frequent collaborators in their research include:

  • Nolwenn Coint
  • Melanie A. Barnes
  • Kevin R. Chamberlain
  • John M. Cottle
  • John W. Valley

Best Publications

  • Precambrian geology of Finland : key to the evolution of the fennoscandian shield

    Unknown

  • Petrogenesis of the Paleoproterozoic rapakivi A-type granites of the Archean Carajás metallogenic province, Brazil

    Roberto Dall'Agnol;Nilson P. Teixeira;O. Tapani Rämö;Candido A.V. Moura

  • Tectonic setting and origin of the Proterozoic rapakivi granites of southeastern Fennoscandia

    Ilmari Haapala;O. Tapani Rämö

  • Petrology of the anorogenic, oxidised Jamon and Musa granites, Amazonian Craton: implications for the genesis of Proterozoic A-type granites

    Roberto Dall'Agnol;O.Tapani Rämö;Marilia Sacramento de Magalhães;Moacir José Buenano Macambira

  • IGCP Project 510 “A-type Granites and Related Rocks through Time”: Project vita, results, and contribution to granite research

    Roberto Dall'Agnol;Carol D. Frost;O. Tapani Rämö

  • Re-evaluation of Rapakivi Petrogenesis: Source Constraints from the Hf Isotope Composition of Zircon in the Rapakivi Granites and Associated Mafic Rocks of Southern Finland

    A. P. Heinonen;T. Andersen;O. T. Rämö

  • Zircon geochronology, geochemistry and origin of the TTG suites of the Rio Maria granite-greenstone terrane: Implications for the growth of the Archean crust of the Carajás province, Brazil

    José de Arimatéia Costa de Almeida;Roberto Dall’Agnol;Marcelo Augusto de Oliveira;Moacir José Buenano Macambira

  • New U-Pb ages from the Wiborg rapakivi area: constraints on the temporal evolution of the rapakivi granite-anorthosite-diabase dyke association of southeastern Finland

    Matti Vaasjoki;O. Tapani Rämö;Matti Sakko

  • Petrogenesis of the Proterozoic rapakivi granites of Finland

    Ilmari Haapala;O. Tapani Rämö

  • The Ediacaran Ferani and Rutig volcano-sedimentary successions of the northernmost Arabian-Nubian Shield (ANS): New insights from zircon U–Pb geochronology, geochemistry and O–Nd isotope ratios

    Y. Be’eri-Shlevin;M.D. Samuel;M.K. Azer;O.T. Rämö

  • Comparison of Proterozoic and Phanerozoic rift-related basaltic-granitic magmatism

    Ilmari Haapala;O. Tapani Rämö;Stephen Frindt

  • 1700 Ma Shachang complex, northeast China: Proterozoic rapakivi granite not associated with Paleoproterozoic orogenic crust

    O. Tapani Rämö;Ilmari Haapala;Matti Vaasjoki;Jian-Hua Yu

  • Radiogenic isotopes of the Estonian and Latvian rapakivi granite suites: new data from the concealed Precambrian of the East European Craton

    O.Tapani Rämö;Hannu Huhma;Juho Kirs

  • Petrogenesis of the Post-kinematic Magmatism of the Central Finland Granitoid Complex I; Radiogenic Isotope Constraints and Implications for Crustal Evolution

    Unknown

  • Neodymium and strontium isotopic and trace element composition of a Mesozoic CFB suite from Dronning Maud Land, Antarctica: implications for lithosphere and asthenosphere contributions to Karoo magmatism

    A.V. Luttinen;O.T. Rämö;H. Huhma

  • 1.88 1.87 Ga post-kinematic intrusions of the Central Finland Granitoid Complex: a shift from C-type to A-type magmatism during lithospheric convergence

    Unknown

  • The Mesoproterozoic Zig-Zag Dal basalts and associated intrusions of eastern North Greenland: mantle plume–lithosphere interaction

    B. G. J. Upton;O. T. Rämö;L. M. Heaman;J. Blichert-Toft

  • THE PERALKALINE TIN-MINERALIZED MADEIRA CRYOLITE ALBITE-RICH GRANITE OF PITINGA, AMAZONIAN CRATON, BRAZIL: PETROGRAPHY, MINERALOGY AND CRYSTALLIZATION PROCESSES

    Hilton Tulio Costi;Roberto Dall’Agnol;Michel Pichavant;Osmo Tapani Rämö

  • Diverse sources of crustal granitic magma: Lu-Hf isotope data on zircon in three Paleoproterozoic leucogranites of southern Finland

    Matti Kurhila;Tom Andersen;O. Tapani Rämö

  • 1.88 Ga Oxidized A‐Type Granites of the Rio Maria Region, Eastern Amazonian Craton, Brazil: Positively Anorogenic!

    O. Tapani Rämö;Roberto Dall’Agnol;Moacir J. B. Macambira;Albano A. S. Leite

  • Chapter 12 Rapakivi Granites

    Unknown

  • Intermittent 1630–1220 Ma magmatism in central Mazatzal province: New geochronologic piercing points and some tectonic implications

    O. Tapani Rämö;Virginia T. McLemore;Michael A. Hamilton;Paula J. Kosunen

  • Nd isotopic composition of cratonic rocks in the southern Death Valley region: Evidence for a substantial Archean source component in Mojavia

    O. Tapani Rämö;James P. Calzia

  • Mineral chemistry constraints on the evolution of the 1.88–1.87 Ga post-kinematic granite plutons in the Central Finland Granitoid Complex

    Brent A. Elliott;O. Tapani Rämö;Mikko Nironen

Frequent Co-Authors

Roberto Dall'Agnol
Roberto Dall'Agnol Federal University of Para
Tom Andersen
Tom Andersen University of Oslo
Carol D. Frost
Carol D. Frost University of Wyoming
Hannu Huhma
Hannu Huhma Geological Survey of Finland
Matt Heizler
Matt Heizler New Mexico Institute of Mining and Technology
Michael A. Hamilton
Michael A. Hamilton University of Toronto
Thorvaldur Thordarson
Thorvaldur Thordarson University of Iceland
Brian G. J. Upton
Brian G. J. Upton University of Edinburgh
Feiko Kalsbeek
Feiko Kalsbeek Geological Survey of Denmark and Greenland
Martin J. Whitehouse
Martin J. Whitehouse Swedish Museum of Natural History

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