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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 48 3775 3459 15 10 201 9517

Axel Hofmann publications per year

The chart shows the history of publications by Axel Hofmann between 1979 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Axel Hofmann published across 48 years, from 1979 to 2026, averaging 6 papers a year. Output peaked at 22 publications in 2014. 21 of the 290 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1979 to 2026. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 2014. 1979: 1 publication 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 1 publication 1987: 1 publication 1988: 0 publications 1989: 1 publication 1990: 1 publication 1991: 0 publications 1992: 0 publications 1993: 3 publications 1994: 3 publications 1995: 2 publications 1996: 4 publications 1997: 0 publications 1998: 2 publications 1999: 2 publications 2000: 2 publications 2001: 2 publications 2002: 4 publications 2003: 7 publications 2004: 5 publications 2005: 2 publications 2006: 4 publications 2007: 7 publications 2008: 8 publications 2009: 5 publications 2010: 11 publications 2011: 3 publications 2012: 8 publications 2013: 10 publications 2014: 22 publications 2015: 20 publications 2016: 11 publications 2017: 19 publications 2018: 13 publications 2019: 12 publications 2020: 10 publications 2021: 21 publications 2022: 7 publications 2023: 18 publications 2024: 17 publications 2025: 20 publications 2026: 1 publication
1979 2026

290 publications in total across all disciplines

View publications per year as a table
Axel Hofmann: publications per year, 1979 to 2026
Year Publications
1979 1
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 1
1987 1
1988 0
1989 1
1990 1
1991 0
1992 0
1993 3
1994 3
1995 2
1996 4
1997 0
1998 2
1999 2
2000 2
2001 2
2002 4
2003 7
2004 5
2005 2
2006 4
2007 7
2008 8
2009 5
2010 11
2011 3
2012 8
2013 10
2014 22
2015 20
2016 11
2017 19
2018 13
2019 12
2020 10
2021 21
2022 7
2023 18
2024 17
2025 20
2026 1
Total 290
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Axel Hofmann 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 Axel Hofmann 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, 198–207 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: 201 publications — 64th percentile

64% 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
178–187 414
188–197 401
198–207 333 201
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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Axel Hofmann 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 Axel Hofmann 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, 48 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: 48 D-Index — 60th percentile

60% 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 48
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

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

Overview

Axel Hofmann is affiliated with the University of Johannesburg in South Africa and specializes in Earth and Planetary Sciences. Their research covers a broad scope within this field, focusing particularly on geophysics, paleontology, artificial intelligence applications in geosciences, geochemistry and petrology, and atmospheric science.

The scientist's work emphasizes several key topics, including:

  • Geological and Geochemical Analysis
  • Paleontology and Stratigraphy of Fossils
  • Geochemistry and Geologic Mapping
  • Earthquake and Tectonic Studies
  • Geology and Paleoclimatology Research
  • Geochemistry and Elemental Analysis
  • High-pressure Geophysics and Materials

Among recent publications associated with this researcher are the following papers:

  • "A lithium-isotope perspective on the evolution of carbon and silicon cycles" (2021) published in Nature
  • "Cellular remains in a ~3.42-billion-year-old subseafloor hydrothermal environment" (2021) published in Science Advances
  • "Hadaean to Palaeoarchaean stagnant-lid tectonics revealed by zircon magnetism" (2023) published in Nature
  • "The Archaean geological history of the Singhbhum Craton, India - a proposal for a consistent framework of craton evolution" (2022) published in Earth-Science Reviews
  • "3.51 Ga old felsic volcanic rocks and carbonaceous cherts from the Gorumahisani Greenstone Belt - Insights into the Palaeoarchaean record of the Singhbhum Craton, India" (2021) published in Precambrian Research

Hofmann frequently collaborates with several other researchers, most notably:

  • Frantz Ossa Ossa
  • Andrey Bekker
  • Marlina Elburg
  • Andrea Agangi
  • Jaganmoy Jodder

Publication venues where Hofmann's work appears regularly include:

  • Precambrian Research
  • South African Journal of Geology
  • Earth and Planetary Science Letters
  • Chemical Geology
  • Journal of African Earth Sciences

Best Publications

  • Iron Formation: The Sedimentary Product of a Complex Interplay among Mantle, Tectonic, Oceanic, and Biospheric Processes

    A. Bekker;B. Krapež;J. F. Slack;N. Planavsky

  • Evidence for oxygenic photosynthesis half a billion years before the Great Oxidation Event

    Noah J. Planavsky;Dan Asael;Axel Hofmann;Christopher T. Reinhard

  • Rare Earth Element and yttrium compositions of Archean and Paleoproterozoic Fe formations revisited: New perspectives on the significance and mechanisms of deposition

    Noah Planavsky;Noah Planavsky;Andrey Bekker;Olivier J. Rouxel;Olivier J. Rouxel;Balz S. Kamber

  • Geodynamo, Solar Wind, and Magnetopause 3.4 to 3.45 Billion Years Ago

    John A. Tarduno;Rory D. Cottrell;Michael K. Watkeys;Axel Hofmann

  • The geochemistry of sedimentary rocks from the Fig Tree Group, Barberton greenstone belt: Implications for tectonic, hydrothermal and surface processes during mid-Archaean times

    Axel Hofmann

  • Iron Formations: Their Origins and Implications for Ancient Seawater Chemistry

    A. Bekker;N. Planavsky;Birger Rasmussen;Bryan Krapez

  • Titanium isotopic evidence for felsic crust and plate tectonics 3.5 billion years ago

    Nicolas D. Greber;Nicolas Dauphas;Andrey Bekker;Andrey Bekker;Matouš P. Ptáček

  • Sulfur record of rising and falling marine oxygen and sulfate levels during the Lomagundi event

    Noah J. Planavsky;Andrey Bekker;Axel Hofmann;Jeremy D. Owens

  • Rapid emergence of subaerial landmasses and onset of a modern hydrologic cycle 2.5 billion years ago

    I.N. Bindeman;D.O. Zakharov;J. Palandri;Nicolas David Greber

  • Silica alteration zones in the Barberton greenstone belt: A window into subseafloor processes 3.5-3.3 Ga ago

    Axel Hofmann;Chris Harris

  • Iron isotope composition of some Archean and Proterozoic iron formations

    Noah Planavsky;Noah Planavsky;Olivier J. Rouxel;Olivier J. Rouxel;Andrey Bekker;Axel Hofmann

  • Towards a complete magmatic barcode for the Zimbabwe craton: Baddeleyite U-Pb dating of regional dolerite dyke swarms and sill complexes

    Ulf Söderlund;Axel Hofmann;Martin B. Klausen;Johan R. Olsson

  • Pyrite Zoning as a Record of Mineralization in the Ventersdorp Contact Reef, Witwatersrand Basin, South Africa

    Andrea Agangi;Axel Hofmann;Cora C. Wohlgemuth-Ueberwasser

  • A lithium-isotope perspective on the evolution of carbon and silicon cycles

    Boriana Kalderon-Asael;Joachim A. R. Katchinoff;Noah J. Planavsky;Ashleigh Von S. Hood

  • Multiple sulphur and iron isotope composition of detrital pyrite in Archaean sedimentary rocks: A new tool for provenance analysis

    Axel Hofmann;Andrey Bekker;Andrey Bekker;Olivier J. Rouxel;Douglas Rumble

  • Evolution of atmospheric xenon and other noble gases inferred from Archean to Paleoproterozoic rocks

    G. Avice;B. Marty;R. Burgess;A. Hofmann

  • Isotopic evidence for oxygenated Mesoarchaean shallow oceans

    Benjamin Eickmann;Benjamin Eickmann;Axel Hofmann;Martin Wille;Martin Wille;Thi Hao Bui

  • Coupled Fe and S isotope variations in pyrite nodules from Archean shale

    Johanna Marin-Carbonne;Claire Rollion-Bard;Andrey Bekker;Olivier Rouxel

  • Carbonaceous Cherts in the Barberton Greenstone Belt and Their Significance for the Study of Early Life in the Archean Record

    Axel Hofmann;Robert Bolhar

  • Implications of in situ calcification for photosynthesis in a ~3.3 Ga-old microbial biofilm from the Barberton greenstone belt, South Africa

    Frances Westall;Barbara Cavalazzi;Barbara Cavalazzi;Laurence Lemelle;Yves Marrocchi

  • A trace element and Pb isotopic investigation into the provenance and deposition of stromatolitic carbonates, ironstones and associated shales of the 3.0 Ga Pongola Supergroup, Kaapvaal Craton

    Robert Bolhar;Robert Bolhar;Axel Hofmann;Mehrnaz Siahi;Yue-xing Feng

Frequent Co-Authors

Andrey Bekker
Andrey Bekker University of California, Riverside
Christian Koeberl
Christian Koeberl University of Vienna
Noah J. Planavsky
Noah J. Planavsky Yale University
Paul H.G.M. Dirks
Paul H.G.M. Dirks James Cook University
Olivier Rouxel
Olivier Rouxel French Research Institute for Exploitation of the Sea
Ronny Schoenberg
Ronny Schoenberg University of Tübingen
Ernst Hegner
Ernst Hegner Ludwig-Maximilians-Universität München
Allan H. Wilson
Allan H. Wilson University of the Witwatersrand
Alfred Kröner
Alfred Kröner Johannes Gutenberg University of Mainz
Luc André
Luc André Royal Museum for Central Africa

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