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Alcides N. Sial 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 Alcides N. Sial 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.

Alcides N. Sial 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 Alcides N. Sial 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.

Research.com Recognitions

  • 2009 - Fellow, The World Academy of Sciences
  • Lisbon Academy of Sciences (Academia das Ciências de Lisboa)
  • Fellow of the Geological Society of America
  • Lisbon Academy of Sciences (Academia das Ciências de Lisboa)
  • Fellow of the Geological Society of America
  • Lisbon Academy of Sciences (Academia das Ciências de Lisboa)
  • Fellow of the Geological Society of America

Overview

Alcides N. Sial is affiliated with the Federal University of Pernambuco in Brazil and has an extensive publication record primarily in the field of Earth and Planetary Sciences, with a total of 145 publications in this domain. Their research encompasses several subfields including Geophysics, Paleontology, Geochemistry and Petrology, Artificial Intelligence, and Ecology.

The scientist's main research topics cover a broad range of geological and geochemical subjects. These include:

  • Geological and Geochemical Analysis
  • Paleontology and Stratigraphy of Fossils
  • Geochemistry and Elemental Analysis
  • Geochemistry and Geologic Mapping
  • Geology and Paleoclimatology Research
  • Earthquake and Tectonic Studies
  • Isotope Analysis in Ecology

Alcides N. Sial has contributed to multiple journals with a notable frequency. The preferred publication venues include:

  • Journal of South American Earth Sciences
  • SSRN Electronic Journal
  • Lithos
  • International Journal of Earth Sciences
  • Goldschmidt2021 abstracts

The scientist has worked alongside frequent coauthors, such as Valderez P. Ferreira, Luiz Drude de Lacerda, Natan Silva Pereira, Claudio Gaucher, and Mariucha Maria C. Lima.

Some of their recent published papers are:

  • Goldilocks at the dawn of complex life: mountains might have damaged Ediacaran-Cambrian ecosystems and prompted an early Cambrian greenhouse world, 2021, Scientific Reports
  • Late Pleistocene meso-megaherbivores from Brazilian Intertropical Region: isotopic diet (δ 13 C), niche differentiation, guilds and paleoenvironmental reconstruction (δ 13 C, δ 18 O), 2020, Historical Biology
  • Isotopic paleoecology (δ13C, δ18O) of a late Pleistocene vertebrate community from the Brazilian Intertropical Region, 2020, Revista Brasileira de Paleontologia
  • Population structure of the chub mackerel (Scomber colias) in the NE Atlantic inferred from otolith elemental and isotopic signatures, 2020, Fisheries Research
  • Hg Isotopes and Enhanced Hg Concentration in the Meishan and Guryul Ravine Successions: Proxies for Volcanism Across the Permian-Triassic Boundary, 2021, Frontiers in Earth Science

Alcides N. Sial has been recognized with several distinctions including being named a Fellow of The World Academy of Sciences in 2009. Additional honors include membership in the Lisbon Academy of Sciences and fellowship in the Geological Society of America.

Best Publications

  • 4.4 billion years of crustal maturation: oxygen isotope ratios of magmatic zircon

    J. W. Valley;J. S. Lackey;J. S. Lackey;A. J. Cavosie;A. J. Cavosie;C. C. Clechenko

  • Soft-sediment deformation at the base of the Neoproterozoic Puga cap carbonate (southwestern Amazon craton, Brazil): Confirmation of rapid icehouse to greenhouse transition in snowball Earth

    Afonso César Rodrigues Nogueira;Claudio Riccomini;Alcides Nóbrega Sial;Candido Augusto Veloso Moura

  • Integrated correlation of the Vendian to Cambrian Arroyo del Soldado and Corumbá Groups (Uruguay and Brazil): palaeogeographic, palaeoclimatic and palaeobiologic implications

    Unknown

  • Geochemistry and genesis of the banded iron formations of the Cauê Formation, Quadrilátero Ferrífero, Minas Gerais, Brazil

    Carlos A. Spier;Sonia M.B. de Oliveira;Alcides N. Sial;Francisco J. Rios

  • Crustal Evolution and the Brasiliano Orogeny in Northeast Brazil

    R. Caby;A. N. Sial;M. Arthaud;A. Vauchez

  • Mercury anomaly, Deccan volcanism, and the end-Cretaceous mass extinction

    Eric Font;Thierry Adatte;Alcides Nobrega Sial;Luiz Drude de Lacerda

  • Stable isotope study of cave percolation waters in subtropical Brazil: Implications for paleoclimate inferences from speleothems

    Francisco W. Cruz;Francisco W. Cruz;Ivo Karmann;Oduvaldo Viana;Stephen J. Burns

  • Magma flow within the Tavares pluton, northeastern Brazil: Compositional and thermal convection

    Roberto Ferrez Weinberg;Roberto Ferrez Weinberg;Alcides Sial;R R Pessoa

  • Close spatial relationship between plutons and shear zones

    Roberto Ferrez Weinberg;Alcides Sial;Gorki Mariano

  • Geochemical and isotopic signatures of Proterozoic granitoids in terranes of the Borborema structural province, northeastern Brazil

    V.P. Ferreira;A.N. Sial;E.F. Jardim de Sá

  • GRANITE-TYPES IN NORTHEAST BRAZIL: CURRENT KNOWLEDGE

    Alcides N. Sial

  • Chromium isotopes in carbonates — A tracer for climate change and for reconstructing the redox state of ancient seawater

    R. Frei;C. Gaucher;L.N. Døssing;A.N. Sial

  • Carbon and oxygen isotope profiles across Meso-Neoproterozoic limestones from central Brazil: Bambuı́ and Paranoá groups

    R.V. Santos;C.J.S. de Alvarenga;M.A. Dardenne;A.N. Sial

  • Carbon and strontium isotope fluctuations and paleoceanographic changes in the late Neoproterozoic Araras carbonate platform, southern Amazon craton, Brazil

    Afonso C.R. Nogueira;Claudio Riccomini;Alcides N. Sial;Candido A.V. Moura

  • Mercury enrichment and Hg isotopes in Cretaceous–Paleogene boundary successions: Links to volcanism and palaeoenvironmental impacts

    A.N. Sial;Jiubin Chen;L.D. Lacerda;R. Frei

  • Chemostratigraphy of the Tamengo Formation (Corumbá Group, Brazil): A contribution to the calibration of the Ediacaran carbon-isotope curve

    Paulo C. Boggiani;Claudio Gaucher;Alcides N. Sial;Marly Babinski

  • Mercury as a proxy for volcanic activity during extreme environmental turnover: The Cretaceous–Paleogene transition

    A.N. Sial;L.D. Lacerda;V.P. Ferreira;R. Frei

  • A complete Wilson Cycle recorded within the Riacho do Pontal Orogen, NE Brazil: Implications for the Neoproterozoic evolution of the Borborema Province at the heart of West Gondwana

    Fabrício A. Caxito;Alexandre Uhlein;Elton Luiz Dantas;Ross Stevenson

  • Chemostratigraphy of the Lower Arroyo del Soldado Group (Vendian, Uruguay) and Palaeoclimatic Implications

    Claudio Gaucher;Alcides Nóbrega Sial;Gonzalo Blanco;Peter Sprechmann

  • Occurrence and Origin of Andalusite in Peraluminous Felsic Igneous Rocks

    DB Clarke;M. Dorais;B. Barbarin;D. Barker

  • Carbon and oxygen isotope geochemistry of Neoproterozoic limestones of the Shahabad Formation, Bhima basin, Karnataka, southern India

    Ramasamy Nagarajan;Alcides N. Sial;John S. Armstrong-Altrin;Jayagopal Madhavaraju

  • Granite-related ore deposits

    A. N. Sial;J. S. Bettencourt;C. P. De Campos;V. P. Ferreira

Frequent Co-Authors

Valderez P. Ferreira
Valderez P. Ferreira Federal University of Pernambuco
Márcio Martins Pimentel
Márcio Martins Pimentel University of Brasília
Robert Frei
Robert Frei University of Copenhagen
Claudio Riccomini
Claudio Riccomini Universidade de São Paulo
Marly Babinski
Marly Babinski Universidade de São Paulo
Roberto Ventura Santos
Roberto Ventura Santos University of Brasília
Manoj K. Pandit
Manoj K. Pandit University of Rajasthan
Luiz Drude de Lacerda
Luiz Drude de Lacerda Universidade Federal do Ceará
Daniel Gustavo Poiré
Daniel Gustavo Poiré National Scientific and Technical Research Council
Christoph Korte
Christoph Korte University of Copenhagen

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