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

Alan H. Clark

D-Index & Metrics

Earth Science

D-Index
51
Citations
7053
World Ranking
3318
National Ranking
154

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.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

This scientist: 151 publications — 36th percentile

36% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

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.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

This scientist: 51 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

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

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