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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 42 5283 4881 265 250 161 6347

Ian T. Graham publications per year

The chart shows the history of publications by Ian T. Graham between 1966 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ian T. Graham published across 61 years, from 1966 to 2026, averaging 2.9 papers a year. Output peaked at 19 publications in 2023. 13 of the 179 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1966 to 2026. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2023. 1966: 1 publication 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 1 publication 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 1 publication 1991: 0 publications 1992: 1 publication 1993: 0 publications 1994: 0 publications 1995: 1 publication 1996: 2 publications 1997: 0 publications 1998: 0 publications 1999: 0 publications 2000: 2 publications 2001: 2 publications 2002: 0 publications 2003: 3 publications 2004: 4 publications 2005: 2 publications 2006: 8 publications 2007: 2 publications 2008: 3 publications 2009: 4 publications 2010: 1 publication 2011: 0 publications 2012: 5 publications 2013: 3 publications 2014: 9 publications 2015: 3 publications 2016: 10 publications 2017: 11 publications 2018: 9 publications 2019: 17 publications 2020: 10 publications 2021: 13 publications 2022: 9 publications 2023: 19 publications 2024: 10 publications 2025: 11 publications 2026: 2 publications
1966 2026

179 publications in total across all disciplines

View publications per year as a table
Ian T. Graham: publications per year, 1966 to 2026
Year Publications
1966 1
1967 0
1968 0
1969 0
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 1
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 1
1991 0
1992 1
1993 0
1994 0
1995 1
1996 2
1997 0
1998 0
1999 0
2000 2
2001 2
2002 0
2003 3
2004 4
2005 2
2006 8
2007 2
2008 3
2009 4
2010 1
2011 0
2012 5
2013 3
2014 9
2015 3
2016 10
2017 11
2018 9
2019 17
2020 10
2021 13
2022 9
2023 19
2024 10
2025 11
2026 2
Total 179
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Ian T. Graham 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 Ian T. Graham 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, 158–167 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: 161 publications — 45th percentile

45% 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
158–167 458 161
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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Ian T. Graham 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 Ian T. Graham 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, 42 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: 42 D-Index — 44th percentile

44% 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 42
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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Overview

Ian T. Graham is affiliated with the University of New South Wales in Australia and has contributed extensively to research in earth sciences and engineering, with a focus on geochemistry and petrology as well as geophysics. Their work spans fields including earth and planetary sciences and engineering, with significant emphasis on coal and its by-products and related geochemical analyses.

The scientist's research primarily explores topics such as:

  • Coal and Its By-products
  • Geochemistry and Elemental Analysis
  • Coal Properties and Utilization
  • Geological and Geochemical Analysis
  • Hydrocarbon exploration and reservoir analysis
  • Geochemistry and Geologic Mapping
  • Earthquake and tectonic studies

Frequently published in several scientific venues, Ian T. Graham's work appears most notably in:

  • International Journal of Coal Geology
  • Chemical Geology
  • Australian Journal of Earth Sciences
  • Ore Geology Reviews
  • Lithos

Their collaborative research includes partnerships with notable coauthors such as:

  • David French
  • Shifeng Dai
  • James C. Hower
  • Lei Zhao
  • Victor P. Nechaev

Notable recent papers authored or coauthored by Ian T. Graham include:

  • Recognition of peat depositional environments in coal: A review (2020), published in International Journal of Coal Geology
  • Modes of occurrence of elements in coal: A critical evaluation (2021), published in Earth-Science Reviews
  • Evidence for multiple sources for inorganic components in the Tucheng coal deposit, western Guizhou, China and the lack of critical-elements (2020), published in International Journal of Coal Geology
  • Mineralogical and geochemical characteristics of altered volcanic ashes (tonsteins and K-bentonites) from the latest Permian coal-bearing strata of western Guizhou Province, southwestern China (2021), published in International Journal of Coal Geology
  • Mineralogy and geochemistry of the Late Triassic coal from the Caotang mine, northeastern Sichuan Basin, China, with emphasis on the enrichment of the critical element lithium (2021), published in Ore Geology Reviews

Best Publications

  • A review of anomalous rare earth elements and yttrium in coal

    Shifeng Dai;Ian T. Graham;Colin R. Ward

  • Recognition of peat depositional environments in coal: A review

    Shifeng Dai;Achim Bechtel;Cortland F. Eble;Romeo M. Flores

  • Modes of occurrence of elements in coal: A critical evaluation

    Shifeng Dai;Robert B. Finkelman;Robert B. Finkelman;David French;James C. Hower

  • Tectonics and metallogeny of mainland Southeast Asia — A review and contribution

    Khin Zaw;Sebastien Meffre;Chun-Kit Lai;Clive Burrett

  • Organic associations of non-mineral elements in coal: A review

    Shifeng Dai;James C. Hower;Robert B. Finkelman;Robert B. Finkelman;Ian T. Graham

  • Altered volcanic ashes in coal and coal-bearing sequences: A review of their nature and significance

    Shifeng Dai;Colin R. Ward;Ian T. Graham;David French

  • Rare earth elements and yttrium in coal ash from the Luzhou power plant in Sichuan, Southwest China: Concentration, characterization and optimized extraction

    Zhen Wang;Shifeng Dai;Jianhua Zou;David French

  • Metalliferous coal deposits in East Asia (Primorye of Russia and South China): A review of geodynamic controls and styles of mineralization

    Shifeng Dai;Igor Yu. Chekryzhov;Vladimir V. Seredin;Victor P. Nechaev

  • Enrichment of critical elements (Nb-Ta-Zr-Hf-REE) within coal and host rocks from the Datanhao mine, Daqingshan Coalfield, northern China

    Lei Zhao;Shifeng Dai;Victor P. Nechaev;Evgeniya V. Nechaeva

  • Anomalies of rare metals in Lopingian super-high-organic-sulfur coals from the Yishan Coalfield, Guangxi, China

    Shifeng Dai;Panpan Xie;Colin R. Ward;Xiaoyun Yan

  • Cryptic sediment-hosted critical element mineralization from eastern Yunnan Province, southwestern China: Mineralogy, geochemistry, relationship to Emeishan alkaline magmatism and possible origin

    Lixin Zhao;Lixin Zhao;Shifeng Dai;Ian T. Graham;Xiao Li

  • Origin of a kaolinite-NH4-illite-pyrophyllite-chlorite assemblage in a marine-influenced anthracite and associated strata from the Jincheng Coalfield, Qinshui Basin, Northern China

    Lei Zhao;Colin R. Ward;David French;Ian T. Graham

  • Developing a radiometrically-dated chronologic sequence for Neogene biotic change in Australia, from the Riversleigh World Heritage Area of Queensland

    Jon Woodhead;Suzanne J. Hand;Michael Archer;Ian Graham

  • Determination of Eu concentrations in coal, fly ash and sedimentary rocks using a cation exchange resin and inductively coupled plasma mass spectrometry (ICP-MS)

    Xiaoyun Yan;Shifeng Dai;Ian T. Graham;Xin He

  • Enrichment origin of critical elements (Li and rare earth elements) and a Mo-U-Se-Re assemblage in Pennsylvanian anthracite from the Jincheng Coalfield, southeastern Qinshui Basin, northern China

    Lei Zhao;Shifeng Dai;Victor P. Nechaev;Evgeniya V. Nechaeva

  • Mineralogical composition of Late Permian coal seams in the Songzao Coalfield, southwestern China

    Lei Zhao;Lei Zhao;Colin R. Ward;David French;Ian T. Graham

  • A model for Nb–Zr–REE–Ga enrichment in Lopingian altered alkaline volcanic ashes: Key evidence of H-O isotopes

    Shifeng Dai;Victor P. Nechaev;Victor P. Nechaev;Igor Yu. Chekryzhov;Igor Yu. Chekryzhov;Lixin Zhao

  • Advances in our understanding of the gem corundum deposits of the West Pacific continental margins intraplate basaltic fields

    Ian Graham;Ian Graham;Lin Sutherland;Lin Sutherland;Khin Zaw;Victor Nechaev

  • Mineralogy of the volcanic-influenced Great Northern coal seam in the Sydney Basin, Australia

    Lei Zhao;Colin R. Ward;David French;Ian T. Graham

  • Archaeological explorations in El Peten, Guatemala

    Ian Graham

  • Major and Trace Element Geochemistry of Coals and Intra-Seam Claystones from the Songzao Coalfield, SW China

    Lei Zhao;Colin R. Ward;David French;Ian T. Graham

  • Gem-corundum megacrysts from east Australian basalt fields: trace elements, oxygen isotopes and origins∗

    Frederick L Sutherland;Khin Zaw;Sebastien Meffre;Gaston Giuliani

Frequent Co-Authors

Shifeng Dai
Shifeng Dai China University of Mining and Technology
James C. Hower
James C. Hower University of Kentucky
Khin Zaw
Khin Zaw University of Tasmania
Colin R. Ward
Colin R. Ward University of New South Wales
Elena Belousova
Elena Belousova Macquarie University
Horst Zwingmann
Horst Zwingmann Kyoto University
Gaston Giuliani
Gaston Giuliani University of Lorraine
Baruch Spiro
Baruch Spiro Natural History Museum
Anthony E. Fallick
Anthony E. Fallick University of Glasgow
Richard Armstrong
Richard Armstrong Australian National University

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