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Earth Science
South Africa
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 51 3275 2997 13 8 150 8601

Gary Stevens publications per year

The chart shows the history of publications by Gary Stevens between 1992 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Gary Stevens published across 34 years, from 1992 to 2025, averaging 5 papers a year. Output peaked at 11 publications in 2017. 13 of the 171 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1992 to 2025. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 2017. 1992: 3 publications 1993: 1 publication 1994: 0 publications 1995: 1 publication 1996: 0 publications 1997: 8 publications 1998: 1 publication 1999: 3 publications 2000: 1 publication 2001: 1 publication 2002: 2 publications 2003: 3 publications 2004: 6 publications 2005: 8 publications 2006: 6 publications 2007: 9 publications 2008: 2 publications 2009: 5 publications 2010: 6 publications 2011: 6 publications 2012: 8 publications 2013: 4 publications 2014: 10 publications 2015: 3 publications 2016: 7 publications 2017: 11 publications 2018: 4 publications 2019: 4 publications 2020: 10 publications 2021: 9 publications 2022: 7 publications 2023: 9 publications 2024: 8 publications 2025: 5 publications
1992 2025

171 publications in total across all disciplines

View publications per year as a table
Gary Stevens: publications per year, 1992 to 2025
Year Publications
1992 3
1993 1
1994 0
1995 1
1996 0
1997 8
1998 1
1999 3
2000 1
2001 1
2002 2
2003 3
2004 6
2005 8
2006 6
2007 9
2008 2
2009 5
2010 6
2011 6
2012 8
2013 4
2014 10
2015 3
2016 7
2017 11
2018 4
2019 4
2020 10
2021 9
2022 7
2023 9
2024 8
2025 5
Total 171
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Gary Stevens 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 Gary Stevens 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, 148–157 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: 150 publications — 39th percentile

39% 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
148–157 495 150
158–167 458
168–177 490
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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Gary Stevens 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 Gary Stevens 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, 51 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: 51 D-Index — 66th percentile

66% 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
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 51
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

  • 2026 - Research.com Earth Science in South Africa Leader Award
  • 2025 - Research.com Earth Science in South Africa Leader Award
  • 2022 - Research.com Earth Science in South Africa Leader Award

Overview

Gary Stevens is affiliated with Stellenbosch University in South Africa. Their research focuses primarily on Earth and Planetary Sciences, with significant contributions in the subfields of Geophysics, Artificial Intelligence, Paleontology, Geochemistry and Petrology, and Geology.

The main topics explored in Stevens's work include:

  • Geological and Geochemical Analysis
  • Geochemistry and Geologic Mapping
  • High-pressure geophysics and materials
  • Earthquake and tectonic studies
  • Paleontology and Stratigraphy of Fossils
  • Geochemistry and Elemental Analysis
  • Geological Studies and Exploration

Stevens has published extensively in frequent venues such as:

  • Lithos
  • South African Journal of Geology
  • Contributions to Mineralogy and Petrology
  • Earth-Science Reviews
  • Chemical Geology

Selected recent papers by Stevens include:

  • How are silicic volcanic and plutonic systems related? Part 1: A review of geological and geophysical observations, and insights from igneous rock chemistry (2022, Earth-Science Reviews)
  • Sulphur-rich mantle metasomatism of Kaapvaal craton eclogites and its role in redox-controlled platinum group element mobility (2020, Chemical Geology)
  • Do arc silicic magmas form by fluid-fluxed melting of older arc crust or fractionation of basaltic magmas? (2021, Contributions to Mineralogy and Petrology)
  • Mafic schlieren, crystal accumulation and differentiation in granitic magmas: an integrated case study (2020, Contributions to Mineralogy and Petrology)
  • How are silicic volcanic and plutonic systems related? Part 2: Insights from phase-equilibria, thermodynamic modelling and textural evidence (2022, Earth-Science Reviews)

Frequent coauthors collaborating with Stevens include:

  • J. D. Clemens
  • Jean-François Moyen
  • Matthew Jason Mayne
  • Cristiano Lana
  • Alanielson Ferreira

Best Publications

  • What controls chemical variation in granitic magmas

    J.D. Clemens;G. Stevens

  • Melt production during granulite-facies anatexis: experimental data from “primitive” metasedimentary protoliths

    Gary Stevens;John D. Clemens;Giles T. R. Droop

  • The enigmatic sources of I-type granites: The peritectic connexion

    J.D. Clemens;G. Stevens;F. Farina

  • Selective peritectic garnet entrainment as the origin of geochemical diversity in S-type granites

    Gary Stevens;Arnaud Villaros;Jean-François Moyen

  • Experimental Constraints on TTG Petrogenesis: Implications for Archean Geodynamics

    Jean‐François Moyen;Gary Stevens

  • Record of mid-Archaean subduction from metamorphism in the Barberton terrain, South Africa

    Jean-François Moyen;Gary Stevens;Alexander Kisters

  • Tectonic model for the evolution of the Limpopo Belt

    C. Roering;D.D. van Reenen;C.A. Smit;J.M. Barton

  • The trace element compositions of S-type granites: evidence for disequilibrium melting and accessory phase entrainment in the source

    Arnaud Villaros;Gary Stevens;Jean-François Moyen;Ian S. Buick

  • Fluid-absent melting and the roles of fluids in the lithosphere: a slanted summary?

    G. Stevens;J.D. Clemens

  • Isotopic variations in S-type granites: an inheritance from a heterogeneous source?

    Arnaud Villaros;Arnaud Villaros;I.S. Buick;G. Stevens

  • Metamorphism of the granite-greenstone terrane south of the Barberton greenstone belt, South Africa: an insight into the tectono-thermal evolution of the "lower" portions of the Onverwacht Group

    Annika Dziggel;Gary Stevens;M Poujol;C.R. Anhaeusser

  • Stabilization of the southern portion of the São Francisco craton, SE Brazil, through a long-lived period of potassic magmatism

    Rafael Cotta Romano;Cristiano de Carvalho Lana;Fernando Flecha de Alkmim;Gary Stevens

  • Tracking S-type granite from source to emplacement: Clues from garnet in the Cape Granite Suite

    Arnaud Villaros;Gary Stevens;Ian S. Buick

  • Selective entrainment of peritectic garnet into S-type granitic magmas: Evidence from Archaean mid-crustal anatectites

    Jeanne Taylor;Gary Stevens

  • Chemical structure in granitic magmas – a signal from the source?

    J. D. Clemens;P. A. Helps;G. Stevens

  • Melt segregation and magma interactions during crustal melting: Breaking out of the matrix

    John D. Clemens;Gary Stevens

  • Metamorphism and exhumation of the basal parts of the Barberton greenstone belt, South Africa: Constraining the rates of Mesoarchaean tectonism

    Johann F.A. Diener;Gary Stevens;Alexander F.M. Kisters;Marc Poujol

  • Extensional detachment faulting and core-complex formation in the southern Barberton granite–greenstone terrain, South Africa: evidence for a 3.2 Ga orogenic collapse

    Alexander F.M Kisters;Gary Stevens;Annika Dziggel;Richard A Armstrong

  • Contrasting petrogenesis of Mg–K and Fe–K granitoids and implications for post-collisional magmatism: Case study from the Late-Archean Matok pluton (Pietersburg block, South Africa)

    Oscar Laurent;Oscar Laurent;Oscar Laurent;Mafusi Rapopo;Gary Stevens;Jean-François Moyen

  • Barberton (South Africa) TTG magmas: Geochemical and experimental constraints on source-rock petrology, pressure of formation and tectonic setting

    J.D. Clemens;L.M. Yearron;G. Stevens

  • Thermal-metamorphic signature of an impact event in the Vredefort dome, South Africa

    Roger L. Gibson;W. Uwe Reimold;Gary Stevens

Frequent Co-Authors

Jean-François Moyen
Jean-François Moyen Jean Monnet University
Cristiano Lana
Cristiano Lana Stellenbosch University
John D. Clemens
John D. Clemens Stellenbosch University
Ian S. Buick
Ian S. Buick Stellenbosch University
Dirk Frei
Dirk Frei University of the Western Cape
Richard Armstrong
Richard Armstrong Australian National University
Marc Poujol
Marc Poujol University of Rennes
Andrea Dini
Andrea Dini National Research Council (CNR)
Hervé Martin
Hervé Martin University of Clermont Auvergne
Sergio Rocchi
Sergio Rocchi University of Pisa

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