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John J. Gurney
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Earth Science
South Africa
2022

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Earth Science 57 2321 9 178 9414

John J. Gurney publications per year

The chart shows the history of publications by John J. Gurney between 1965 and 2018, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John J. Gurney published across 54 years, from 1965 to 2018, averaging 3.3 papers a year. Output peaked at 23 publications in 1995. 13 of the 176 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1965 to 2018. Vertical axis: number of publications, 0 to 23. Peak 23 publications in 1995. 1965: 1 publication 1966: 1 publication 1967: 1 publication 1968: 0 publications 1969: 1 publication 1970: 0 publications 1971: 1 publication 1972: 0 publications 1973: 5 publications 1974: 1 publication 1975: 9 publications 1976: 0 publications 1977: 2 publications 1978: 1 publication 1979: 0 publications 1980: 3 publications 1981: 1 publication 1982: 1 publication 1983: 0 publications 1984: 6 publications 1985: 3 publications 1986: 1 publication 1987: 2 publications 1988: 0 publications 1989: 1 publication 1990: 2 publications 1991: 18 publications 1992: 4 publications 1993: 3 publications 1994: 0 publications 1995: 23 publications 1996: 2 publications 1997: 3 publications 1998: 9 publications 1999: 4 publications 2000: 2 publications 2001: 5 publications 2002: 0 publications 2003: 10 publications 2004: 6 publications 2005: 2 publications 2006: 2 publications 2007: 1 publication 2008: 7 publications 2009: 1 publication 2010: 5 publications 2011: 1 publication 2012: 2 publications 2013: 6 publications 2014: 1 publication 2015: 1 publication 2016: 2 publications 2017: 5 publications 2018: 8 publications
1965 2018

176 publications in total across all disciplines

View publications per year as a table
John J. Gurney: publications per year, 1965 to 2018
Year Publications
1965 1
1966 1
1967 1
1968 0
1969 1
1970 0
1971 1
1972 0
1973 5
1974 1
1975 9
1976 0
1977 2
1978 1
1979 0
1980 3
1981 1
1982 1
1983 0
1984 6
1985 3
1986 1
1987 2
1988 0
1989 1
1990 2
1991 18
1992 4
1993 3
1994 0
1995 23
1996 2
1997 3
1998 9
1999 4
2000 2
2001 5
2002 0
2003 10
2004 6
2005 2
2006 2
2007 1
2008 7
2009 1
2010 5
2011 1
2012 2
2013 6
2014 1
2015 1
2016 2
2017 5
2018 8
Total 176
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John J. Gurney 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 John J. Gurney 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, 178–187 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: 178 publications — 54th percentile

54% 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
178–187 414 178
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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John J. Gurney 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 John J. Gurney 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, 57 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: 57 D-Index — 76th percentile

76% 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
52 182
53 178
54 163
55 117
56 163
57 120 57
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
Download as CSV

Research.com Recognitions

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

Overview

John J. Gurney was a researcher affiliated with the University of Cape Town in South Africa. Their academic career was connected to this institution, although detailed information on the specific departments or roles held is not provided.

There are no recorded recent papers, co-authors, or frequent publication venues associated with John J. Gurney. Likewise, there is no available data regarding book publications, which suggests a focus primarily on academic research articles rather than monographs or book chapters.

Information about the main fields of study, subfields, and topics of work is also not available. This absence of detailed data makes it difficult to specify John J. Gurney's precise areas of scientific inquiry or research specializations.

No awards or honors have been documented for John J. Gurney, and the individual is recorded as deceased. This profile is thus presented in past tense to reflect their status.

Best Publications

  • Origin of diamonds in old enriched mantle

    S. H. Richardson;S. H. Richardson;J. J. Gurney;A. J. Erlank;J. W. Harris

  • An updated classification scheme for mantle-derived garnet, for use by diamond explorers

    Herman S. Grütter;John J. Gurney;Andrew H. Menzies;Ferdi Winter

  • Diamonds and the african lithosphere.

    F. R. Boyd;John J. Gurney

  • Evidence for a 150–200-km thick Archaean lithosphere from diamond inclusion thermobarometry

    F. R. Boyd;J. J. Gurney;S. H. Richardson

  • Pyroxene solid solution in garnets included in diamond

    Rory O. Moore;John J. Gurney

  • Diamonds through Time

    J. J. Gurney;H. H. Helmstaedt;S. H. Richardson;S. B. Shirey

  • The application of C isotope measurements to the identification of the sources of C in diamonds: a review

    Melissa B. Kirkley;John J. Gurney;Marshall L. Otter;Stuart J. Hill

  • Three generations of diamonds from old continental mantle

    S. H. Richardson;J. W. Harris;J. J Gurney

  • The discovery of garnets closely related to diamonds in the Finsch pipe, South Africa

    J. J. Gurney;G. S. Switzer

  • Chemical variations in upper mantle nodules from southern African kimberlites

    Unknown

  • Archean emplacement of eclogitic components into the lithospheric mantle during formation of the Kaapvaal Craton

    Steven B. Shirey;Richard W. Carlson;Stephen H. Richardson;Andrew Menzies

  • CaSiO 3 perovskite in diamond indicates the recycling of oceanic crust into the lower mantle

    F. Nestola;N. Korolev;M. Kopylova;N. Rotiroti

  • The interpretation of the major element compositions of mantle minerals in diamond exploration

    Unknown

  • A subduction wedge origin for Paleoarchean peridotitic diamonds and harzburgites from the Panda kimberlite, Slave craton: evidence from Re–Os isotope systematics

    K. J. Westerlund;S. B. Shirey;S. H. Richardson;R. W. Carlson

  • The carbon isotopic composition and nitrogen content of lithospheric and asthenospheric diamonds from the Jagersfontein and Koffiefontein kimberlite, South Africa

    Peter Deines;J.W Harris;J.J Gurney

  • Nitrogen and 13C content of Finsch and Premier diamonds and their implications

    Peter Deines;J.W Harris;P.M Spear;J.J Gurney

  • Variations in trapping temperatures and trace elements in peridotite-suite inclusions from African diamonds: evidence for two inclusion suites, and implications for lithosphere stratigraphy

    W. L. Griffin;J. J. Gurney;C. G. Ryan

  • Carbon isotopic composition, nitrogen content and inclusion composition of diamonds from the Roberts Victor kimberlite, South Africa: Evidence for 13C depletion in the mantle

    Peter Deines;J.W Harris;J.J Gurney

  • Depth-related carbon isotope and nitrogen concentration variability in the mantle below the Orapa kimberlite, Botswana, Africa

    Peter Deines;J.W. Harris;J.J. Gurney

  • Associated chemical and carbon isotopic composition variations in diamonds from Finsch and Premier kimberlite, South Africa

    Peter Deines;J.J Gurney;J.W Harris

  • Two diamond-bearing peridotite xenoliths from the finsch kimberlite, South Africa

    S. R. Shee;J. J. Gurney;D. N. Robinson

  • Trace element geochemistry of ilmenite megacrysts from the Monastery kimberlite, South Africa

    R.O. Moore;W.L. Griffin;J.J. Gurney;C.G. Ryan

  • Mineral inclusions in diamonds from the River Ranch kimberlite, Zimbabwe

    Maya G. Kopylova;John J. Gurney;Leon R. M. Daniels

Frequent Co-Authors

Stephen H. Richardson
Stephen H. Richardson University of Cape Town
Jeff W. Harris
Jeff W. Harris University of Glasgow
Steven B. Shirey
Steven B. Shirey Carnegie Institution for Science
Ben Harte
Ben Harte University of Edinburgh
Richard W. Carlson
Richard W. Carlson Carnegie Institution for Science
D.G. Pearson
D.G. Pearson University of Alberta
William L. Griffin
William L. Griffin Macquarie University
Maya G. Kopylova
Maya G. Kopylova University of British Columbia
Chris Ryan
Chris Ryan University of Waikato
Hong-Fu Zhang
Hong-Fu Zhang Northwest University

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Related Online Degrees & Career Pathways

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Creative fields intersect with science through programs like the mfa degree online, demonstrating that interdisciplinary study is possible and beneficial. This approach is mirrored in Earth Science careers that incorporate environmental policy, education, and communication alongside hard science.

Additionally, leadership roles in environmental organizations or companies often require advanced management skills. Online options such as the online human resource management masters programs offer a pathway to develop these competencies alongside scientific expertise.

Best Scientists Citing John J. Gurney

William L. Griffin

William L. Griffin

Macquarie University

Publications: 105

Jeff W. Harris

Jeff W. Harris

University of Glasgow

Publications: 98

Thomas Stachel

Thomas Stachel

University of Alberta

Publications: 90

Suzanne Y. O'Reilly

Suzanne Y. O'Reilly

Macquarie University

Publications: 56

Andrea Giuliani

Andrea Giuliani

ETH Zurich

Publications: 53

D.G. Pearson

D.G. Pearson

University of Alberta

Publications: 49

Steven B. Shirey

Steven B. Shirey

Carnegie Institution for Science

Publications: 37

Sonja Aulbach

Sonja Aulbach

Goethe University Frankfurt

Publications: 37

Lawrence A. Taylor

Lawrence A. Taylor

University of Tennessee at Knoxville

Publications: 36

Hans-Rudolf Wenk

Hans-Rudolf Wenk

University of California, Berkeley

Publications: 36

Richard A. Stern

Richard A. Stern

University of Alberta

Publications: 32

Pierre Cartigny

Pierre Cartigny

Institut de Physique du Globe de Paris

Publications: 31

Gerhard P. Brey

Gerhard P. Brey

Goethe University Frankfurt

Publications: 30

Hong-Fu Zhang

Hong-Fu Zhang

Northwest University

Publications: 29

David Phillips

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Publications: 29

Fabrizio Nestola

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