World's Best Scientists 2026 revealed!
Alan H. Clark

Alan H. Clark

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 51 3318 3039 154 136 151 7053

Alan H. Clark publications per year

The chart shows the history of publications by Alan H. Clark between 1965 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Alan H. Clark published across 60 years, from 1965 to 2024, averaging 2.6 papers a year. Output peaked at 17 publications in 1970. 2 of the 155 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1965 to 2024. Vertical axis: number of publications, 0 to 17. Peak 17 publications in 1970. 1965: 1 publication 1966: 0 publications 1967: 1 publication 1968: 0 publications 1969: 2 publications 1970: 17 publications 1971: 5 publications 1972: 2 publications 1973: 2 publications 1974: 1 publication 1975: 2 publications 1976: 1 publication 1977: 2 publications 1978: 2 publications 1979: 2 publications 1980: 1 publication 1981: 3 publications 1982: 1 publication 1983: 4 publications 1984: 6 publications 1985: 4 publications 1986: 2 publications 1987: 4 publications 1988: 3 publications 1989: 2 publications 1990: 12 publications 1991: 0 publications 1992: 1 publication 1993: 4 publications 1994: 0 publications 1995: 7 publications 1996: 3 publications 1997: 3 publications 1998: 4 publications 1999: 0 publications 2000: 2 publications 2001: 3 publications 2002: 4 publications 2003: 3 publications 2004: 7 publications 2005: 8 publications 2006: 3 publications 2007: 3 publications 2008: 3 publications 2009: 2 publications 2010: 3 publications 2011: 1 publication 2012: 1 publication 2013: 4 publications 2014: 0 publications 2015: 1 publication 2016: 0 publications 2017: 0 publications 2018: 0 publications 2019: 0 publications 2020: 0 publications 2021: 1 publication 2022: 0 publications 2023: 1 publication 2024: 1 publication
1965 2024

155 publications in total across all disciplines

View publications per year as a table
Alan H. Clark: publications per year, 1965 to 2024
Year Publications
1965 1
1966 0
1967 1
1968 0
1969 2
1970 17
1971 5
1972 2
1973 2
1974 1
1975 2
1976 1
1977 2
1978 2
1979 2
1980 1
1981 3
1982 1
1983 4
1984 6
1985 4
1986 2
1987 4
1988 3
1989 2
1990 12
1991 0
1992 1
1993 4
1994 0
1995 7
1996 3
1997 3
1998 4
1999 0
2000 2
2001 3
2002 4
2003 3
2004 7
2005 8
2006 3
2007 3
2008 3
2009 2
2010 3
2011 1
2012 1
2013 4
2014 0
2015 1
2016 0
2017 0
2018 0
2019 0
2020 0
2021 1
2022 0
2023 1
2024 1
Total 155
Download as CSV

Alan H. Clark 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 Alan H. Clark 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: 151 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
148–157 495 151
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
Download as CSV

Alan H. Clark 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 Alan H. Clark 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
Download as CSV

Overview

Alan H. Clark is affiliated with Queen's University in Canada and works primarily in the broad field of Earth and Planetary Sciences. Their research contributions specifically focus on subfields including Geophysics and Artificial Intelligence, reflecting an interdisciplinary approach to geological studies.

The topics central to their research include Geological and Geochemical Analysis, Geochemistry and Geologic Mapping, and earthquake and tectonic studies. These areas indicate a concentration on understanding the Earth's physical and chemical processes as well as seismic and structural dynamics.

Clark has contributed to academic knowledge through publications in recognized venues. The following journals have featured their work:

  • Economic Geology
  • Journal of the Text Encoding Initiative

Their recent scholarly papers illustrate the range of topics researched. Notable works include:

  • "Depositing >1.5 Mt of Tin Within <1 m.y. of Initial Granitic Intrusion in the San Rafael Tin (-Copper) Deposit, Southeastern Peru" (2023), published in Economic Geology
  • "Texts All the Way Down: The Intertextual Networks Project" (2024), published in Journal of the Text Encoding Initiative

Collaboration is evident in Clark's work, with frequent co-authors including:

  • Matthieu Harlaux
  • Daniel J. Kontak
  • Kalin Kouzmanov
  • Christopher S. Holm-Denoma
  • Stefano Gialli

This list shows a network of interdisciplinary teamwork, likely contributing diverse expertise to their geological and geochemical research projects.

Best Publications

  • Geologic and geochronologic constraints on the metallogenic evolution of the Andes of southeastern Peru

    Alan H. Clark;Edward Farrar;Daniel J. Kontak;Robert J. Langridge

  • Granite belts in Thailand: evidence from the 40Ar/39Ar geochronological and geological syntheses

    P. Charusiri;A.H. Clark;E. Farrar;D. Archibald

  • The Miocene-Pliocene Macusani Volcanics, SE Peru

    Michel Pichavant;Daniel J. Kontak;Louis Briqueu;Jacinto Valencia Herrera

  • Fluid Chemistry, Structural Setting, and Emplacement History of the Rosario Cu-Mo Porphyry and Cu-Ag-Au Epithermal Veins, Collahuasi District, Northern Chile

    Glenton J. Masterman;David R. Cooke;Ron F. Berry;John L. Walshe

  • Diachronous and independent histories of plutonism and mineralization in the Cornubian Batholith, southwest England

    Y. Chen;A. H. Clark;E. Farrar;H. A. H. P. Wasteneys

  • The Miocene-Pliocene Macusani Volcanics, SE Peru: I. Mineralogy and magmatic evolution of a two-mica aluminosilicate-bearing ignimbrite suite

    Michel Pichavant;Daniel J. Kontak;Jacinto Valencia Herrera;Alan H. Clark

  • Temporal and spatial relationships of thick- and thin-skinned deformation: A case study from the Malargüe fold-and-thrust belt, southern Central Andes

    Laura Giambiagi;Florencia Bechis;Víctor García;Alan H. Clark

  • K-Ar evidence for the post-paleozoic migration of granitic intrusion foci in the Andes of northern Chile

    E. Farrar;A.H. Clark;S.J. Haynes;G.S. Quirt

  • Grenvillian granulite-facies metamorphism in the Arequipa Massif, Peru: a Laurentia-Gondwana link

    Hardolph A. Wasteneys;Alan H. Clark;Edward Farrar;Robert J. Langridge

  • Regional Geochemistry of Tertiary Igneous Rocks in Central Chile: Implications for the Geodynamic Environment of Giant Porphyry Copper and Epithermal Gold Mineralization

    Peter Hollings;David Cooke;Alan Clark

  • Geochemistry and origin of volcanic rocks of the Andes (26° 28°S)

    Jaroslav Dostal;Marcos Zentilli;Juan C. Caelles;Alan H. Clark

  • Cenozoic polyphase landscape and tectonic evolution of the Cordillera Occidental, southernmost Peru

    Richard M. Tosdal;Alan H. Clark;Edward Farrar

  • Petrogenetic and metallogenetic responses to Miocene slab flattening: new constraints from the El Indio-Pascua Au–Ag–Cu belt, Chile/Argentina

    Thomas Bissig;Thomas Bissig;Alan H. Clark;James K. W. Lee;Albrecht von Quadt

  • Magmatic and Hydrothermal Chronology of the Giant Río Blanco Porphyry Copper Deposit, Central Chile: Implications of an Integrated U-Pb and 40Ar/39Ar Database

    Katja Deckart;Alan H. Clark;Aguilar A. Celso;Vargas R. Ricardo

  • Initial 87Sr/86Sr ratios of plutonic and volcanic rocks of the Central Andes between latitudes 26° and 29° south

    Robert H. McNutt;James H. Crocket;Alan H. Clark;Juan C. Caelles

  • Miocene Landscape Evolution and Geomorphologic Controls on Epithermal Processes in the El Indio-Pascua Au-Ag-Cu Belt, Chile and Argentina

    Thomas Bissig;Alan H. Clark;James K.W. Lee;C. Jay Hodgson

  • The Mantoverde Iron Oxide-Copper-Gold District, III Región, Chile: The Role of Regionally Derived, Nonmagmatic Fluids in Chalcopyrite Mineralization

    Jorge Benavides;T. K. Kyser;Alan H. Clark;Christopher J. Oates

  • THE FARALLÓN NEGRO GROUP, NORTHWEST ARGENTINA: Magmatic, Hydrothermal and Tectonic Evolution and Implications for Cu-Au Metallogeny in the Andean Back-arc

    Anne M. Sasso;Alan H. Clark

  • Prograde Evolution and Geothermal Affinities of a Major Porphyry Copper Deposit: The Cerro Colorado Hypogene Protore, I Región, Northern Chile

    Farhad Bouzari;Alan H. Clark

  • An Integrated Tectono-Magmatic Model for the Evolution of the Southern Peruvian Andes (13-20°S) since 55 Ma

    Hamish A. Sandeman;Alan H. Clark;Edward Farrar

Frequent Co-Authors

Edward Farrar
Edward Farrar Queen's University
Daniel J. Kontak
Daniel J. Kontak Laurentian University
Huayong Chen
Huayong Chen Chinese Academy of Sciences
Michel Pichavant
Michel Pichavant University of Orléans
David R. Cooke
David R. Cooke University of Tasmania
R.H. McNutt
R.H. McNutt McMaster University
James K. Mortensen
James K. Mortensen University of British Columbia
Ron F. Berry
Ron F. Berry University of Tasmania
John L. Walshe
John L. Walshe Commonwealth Scientific and Industrial Research Organisation
Ryan Mathur
Ryan Mathur Juniata College

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring related online degrees can expand your career options alongside Earth Science. For example, pursuing the cheapest online photography degree can complement Earth Science studies, especially for those interested in environmental documentation or geographic imaging.

Veterans looking for flexible education opportunities will find valuable resources in the best military friendly online photography degrees. These programs are tailored to accommodate the unique needs of service members while developing skills applicable in scientific fields.

Another useful pairing is the cheapest online Spanish degree, which can enhance communication abilities for Earth Science professionals working in multilingual environments or abroad.

For veterans interested in language skills, the online Spanish degree programs for veterans provide flexible and supportive pathways to gain proficiency, aiding careers that intersect with diverse communities and international research.

Best Scientists Citing Alan H. Clark

Trending Scientists

Recently Published Articles