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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 33 8304 7703 50 48 168 4529

Valderez P. Ferreira publications per year

The chart shows the history of publications by Valderez P. Ferreira between 1986 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Valderez P. Ferreira published across 40 years, from 1986 to 2025, averaging 4.5 papers a year. Output peaked at 10 publications in 2015. 10 of the 178 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1986 to 2025. Vertical axis: number of publications, 0 to 10. Peak 10 publications in 2015. 1986: 1 publication 1987: 0 publications 1988: 0 publications 1989: 1 publication 1990: 1 publication 1991: 0 publications 1992: 0 publications 1993: 1 publication 1994: 1 publication 1995: 1 publication 1996: 3 publications 1997: 2 publications 1998: 9 publications 1999: 4 publications 2000: 6 publications 2001: 6 publications 2002: 8 publications 2003: 6 publications 2004: 3 publications 2005: 6 publications 2006: 1 publication 2007: 7 publications 2008: 8 publications 2009: 7 publications 2010: 7 publications 2011: 5 publications 2012: 1 publication 2013: 6 publications 2014: 4 publications 2015: 10 publications 2016: 9 publications 2017: 5 publications 2018: 7 publications 2019: 6 publications 2020: 6 publications 2021: 10 publications 2022: 1 publication 2023: 9 publications 2024: 6 publications 2025: 4 publications
1986 2025

178 publications in total across all disciplines

View publications per year as a table
Valderez P. Ferreira: publications per year, 1986 to 2025
Year Publications
1986 1
1987 0
1988 0
1989 1
1990 1
1991 0
1992 0
1993 1
1994 1
1995 1
1996 3
1997 2
1998 9
1999 4
2000 6
2001 6
2002 8
2003 6
2004 3
2005 6
2006 1
2007 7
2008 8
2009 7
2010 7
2011 5
2012 1
2013 6
2014 4
2015 10
2016 9
2017 5
2018 7
2019 6
2020 6
2021 10
2022 1
2023 9
2024 6
2025 4
Total 178
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Valderez P. Ferreira 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 Valderez P. Ferreira sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 168–177 publications, is where this scientist sits. 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
38–47 publications 603+

This scientist: 168 publications — 48th percentile

48% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
Publications Scientists This scientist
38–47 5
48–57 33
58–67 94
68–77 161
78–87 278
88–97 376
98–107 404
108–117 484
118–127 540
128–137 557
138–147 491
148–157 495
158–167 458
168–177 490 168
178–187 414
188–197 401
198–207 333
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208
258–267 185
268–277 147
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93
328–337 87
338–347 64
348–357 87
358–367 60
368–377 60
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
428–437 27
438–447 36
448–457 27
458–467 29
468–477 30
478–487 19
488–497 15
498–507 18
508–517 19
518–527 16
528–537 10
538–547 11
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100
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Valderez P. Ferreira 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 Valderez P. Ferreira sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 33 D-Index, is where this scientist sits. 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: 33 D-Index — 11th percentile

11% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379 33
34 366
35 372
36 389
37 366
38 344
39 349
40 296
41 289
42 277
43 279
44 248
45 257
46 212
47 202
48 207
49 204
50 183
51 178
52 182
53 178
54 163
55 117
56 163
57 120
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92
68 89
69 78
70 75
71 53
72 62
73 54
74 35
75 52
76 50
77 32
78 37
79 20
80 33
81 36
82 34
83 34
84 24
85 19
86 18
87 26
88 30
89 17
90 21
91 19
92 15
93 14
94 20
95 9
96 10
97 15
98 13
99 3
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
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Research.com Recognitions

  • 2016 - Fellow, The World Academy of Sciences

Overview

Valderez P. Ferreira is affiliated with the Federal University of Pernambuco in Brazil. Their research spans across multiple sectors within Earth and Planetary Sciences and Computer Science, with a primary focus on geophysics, artificial intelligence, paleontology, geochemistry and petrology, and atmospheric science.

The scientist's work emphasizes several key topics including geological and geochemical analysis, geochemistry and geologic mapping, earthquake and tectonic studies, paleontology and stratigraphy of fossils, geochemistry and elemental analysis, high-pressure geophysics and materials, and geology and paleoclimatology research.

Ferreira has contributed to several recent publications, demonstrating an active role in advancing knowledge within geological sciences. Notable recent papers include:

  • "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)
  • "Ediacaran banded iron formations and carbonates of the Cachoeirinha Group of NE Brazil: Paleoenvironment and paleoredox conditions" (2021, Journal of South American Earth Sciences)
  • "Crustal growth during Western Gondwana amalgamation and onset of the Brasiliano orogeny: Insights from geochemistry and Pb-Sr-Nd-O isotopes from granites in northeastern Brazil" (2021, Lithos)
  • "Neoproterozoic high magmatic addition rate episode building a composite batholith in northeastern Brazil, and implications for the western Gondwana assembly" (2021, Precambrian Research)
  • "Formation and tectonic evolution of a Cryogenian-Ediacaran continental magmatic arc at the South Borborema Province, heart of West Gondwana" (2023, Lithos)

The scientist frequently publishes in journals such as the Journal of South American Earth Sciences, Lithos, SSRN Electronic Journal, Goldschmidt2021 Abstracts, and Goldschmidt Abstracts.

Valderez P. Ferreira has collaborated extensively with colleagues including Alcídes N. Sial, Claudio Gaucher, Mariucha Maria C. Lima, Thyego R. Silva, and Diego H. Ardila, reflecting a pattern of cooperative research efforts within their fields of study.

In recognition of their contributions, Ferreira was named a Fellow of The World Academy of Sciences in 2016.

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

  • 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

  • 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

  • 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

  • Emplacement, petrological and magnetic susceptibility characteristics of diverse magmatic epidote-bearing granitoid rocks in Brazil, Argentina and Chile

    A.N Sial;A.J Toselli;J Saavedra;M.A Parada

  • Chromium‐isotope signatures in scleractinian corals from the Rocas Atoll, Tropical South Atlantic

    N. S. Pereira;A. R. Voegelin;C. Paulukat;A. N. Sial

  • Carbon Isotopic Profile Across the Bilara Group Rocks of Trans-Aravalli Marwar Supergroup in Western India: Implications for Neoproterozoic — Cambrian Transition

    M.K. Pandit;A.N. Sial;S.S. Jamrani;V.P. Ferreira

  • Chemostratigraphy of Carbonates from the Minas Supergroup, Quadrilátero Ferryífero (Iron Quadrangle), Brazil: A Stratigraphic Record of Early Proterozoic Atmospheric, Biogeochemical and Climactic Change

    A. Bekker;A. N. Sial;J. A. Karhu;V. P. Ferreira

  • Carbon isotope fluctuations in Precambrian carbonate sequences of several localities in Brazil

    Alcides Nobrega Sial;Valderez P Ferreira;Afonso R Dealmeida;Antonio W Romano

  • High-resolution Hg chemostratigraphy: A contribution to the distinction of chemical fingerprints of the Deccan volcanism and Cretaceous–Paleogene Boundary impact event

    A. N. Sial;Jiubin Chen;L. D. Lacerda;Silvio Heriberto Peralta

  • Amphibole-rich clots in calc-alkalic granitoids in the Borborema province, northeastern Brazil

    A.N. Sial;V.P. Ferreira;A.E. Fallick;M. Jerônimo M. Cruz

  • Global nature of the Paleoproterozoic Lomagundi carbon isotope excursion: A review of occurrences in Brazil, India, and Uruguay

    Anil Maheshwari;Alcides N. Sial;Claudio Gaucher;Jorge Bossi

  • Upper Cambrian carbonate sequences of the Argentine Precordillera and the Steptoean C-Isotope positive excursion (SPICE)

    A.N. Sial;S. Peralta;V.P. Ferreira;A.J. Toselli

  • Isotope stratigraphy of Neoproterozoic cap carbonates in the Araras Group, Brazil

    Carlos J.S. de Alvarenga;Marcel A. Dardenne;Roberto V. Santos;Emanuele R. Brod

  • Magma associations in Ediacaran granitoids of the Cachoeirinha‒Salgueiro and Alto Pajeú terranes, northeastern Brazil: Forty years of studies

    Alcides N. Sial;Valderez P. Ferreira

  • Common Crustal Source for Contrasting Peraluminous Facies in the Early Paleozoic Capillitas Batholith, NW Argentina

    J.N. Rossi;A.J. Toselli;J. Saavedra;A.N. Sial

  • Cretaceous-Paleogene transition at the Paraíba Basin, Northeastern, Brazil: Carbon-isotope and mercury subsurface stratigraphies

    Maria V. Nascimento-Silva;Alcides N. Sial;Valderez P. Ferreira;Virgínio H. Neumann

  • Carbon and oxygen isotopes of Maastrichtian–Danian shallow marine carbonates: Yacoraite Formation, northwestern Argentina

    Rosa Marquillas;Ignacio Sabino;Alcides Nobrega Sial;Cecilia del Papa

  • Depleted and enriched mantle sources for Paleo- and Neoproterozoic carbonatites of southern India: Sr, Nd, C-O isotopic and geochemical constraints

    M.K Pandit;A.N Sial;G.B Sukumaran;M.M Pimentel

  • Granite-related ore deposits

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

Frequent Co-Authors

Alcides N. Sial
Alcides N. Sial Federal University of Pernambuco
Márcio Martins Pimentel
Márcio Martins Pimentel University of Brasília
Luiz Drude de Lacerda
Luiz Drude de Lacerda Universidade Federal do Ceará
Robert Frei
Robert Frei University of Copenhagen
Manoj K. Pandit
Manoj K. Pandit University of Rajasthan
Jiubin Chen
Jiubin Chen Tianjin University
Roberto Ventura Santos
Roberto Ventura Santos University of Brasília
Christoph Korte
Christoph Korte University of Copenhagen
Marly Babinski
Marly Babinski Universidade de São Paulo
Simonetta Cirilli
Simonetta Cirilli University of Perugia

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