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Earth Science
Mexico
2026

D-Index & Metrics

Earth Science

D-Index
47
Citations
8190
World Ranking
4017
National Ranking
6

John S. Armstrong-Altrin 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 S. Armstrong-Altrin sits on this spectrum.

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 publications 603+

This scientist: 120 publications — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

John S. Armstrong-Altrin 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 S. Armstrong-Altrin sits on this spectrum.

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: 47 D-Index — 57th percentile

57% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Earth Science in Mexico Leader Award
  • 2025 - Research.com Earth Science in Mexico Leader Award

Overview

John S. Armstrong-Altrin is affiliated with the National Autonomous University of Mexico in Mexico. The primary focus of their academic work lies within Earth and Planetary Sciences, with a substantial number of publications (124) in this field. Their research contributions extend into several specialized subfields including Geochemistry and Petrology, Geophysics, Pollution, Atmospheric Science, and Artificial Intelligence.

The scientist's major research topics encompass:

  • Geochemistry and Elemental Analysis
  • Geological and Geochemical Analysis
  • Geology and Paleoclimatology Research
  • Geochemistry and Geologic Mapping
  • Heavy metals in environment
  • Geological formations and processes
  • Paleontology and Stratigraphy of Fossils

Notable recent papers authored or co-authored by John S. Armstrong-Altrin include:

  • "Heavy metal contamination and its ecological risks in the beach sediments along the Atlantic Ocean (Limbe coastal fringes, Cameroon)", 2020, Earth Systems and Environment
  • "Detrital zircon U-Pb geochronology and geochemistry of the Riachuelos and Palma Sola beach sediments, Veracruz State, Gulf of Mexico: a new insight on palaeoenvironment", 2020, Journal of Palaeogeography
  • "Mineralogy and geochemistry of Tecolutla and Coatzacoalcos beach sediments, SW Gulf of Mexico", 2021, Applied Geochemistry
  • "Microtexture and U-Pb geochronology of detrital zircon grains in the Chachalacas beach, Veracruz State, Gulf of Mexico", 2020, Geological Journal
  • "Geochemistry of marine sediments adjacent to the Los Tuxtlas Volcanic Complex, Gulf of Mexico: Constraints on weathering and provenance", 2022, Applied Geochemistry

The scientist frequently publishes in several established scientific journals, with multiple contributions to the following venues:

  • Arabian Journal of Geosciences
  • Journal of Palaeogeography
  • Geological Journal
  • Journal of African Earth Sciences
  • Applied Geochemistry

John S. Armstrong-Altrin collaborates regularly with several co-authors, including:

  • Armel Zacharie Ekoa Bessa
  • Mayla A. Ramos-Vázquez
  • Gabriel Ngueutchoua
  • Jayagopal Madhavaraju
  • Victorine Ambassa Bela

Best Publications

  • Geochemistry of Sandstones from the Upper Miocene Kudankulam Formation, Southern India: Implications for Provenance, Weathering, and Tectonic Setting

    J.S. Armstrong-Altrin;Yong Il Lee;Surendra P. Verma;S. Ramasamy

  • New multi-dimensional diagrams for tectonic discrimination of siliciclastic sediments and their application to Precambrian basins

    Surendra P. Verma;John S. Armstrong-Altrin

  • Critical evaluation of six tectonic setting discrimination diagrams using geochemical data of Neogene sediments from known tectonic settings

    J.S. Armstrong-Altrin;Surendra P. Verma;Surendra P. Verma

  • Geochemical discrimination of siliciclastic sediments from active and passive margin settings

    Surendra P. Verma;John S. Armstrong-Altrin

  • Provenance and depositional history of continental slope sediments in the Southwestern Gulf of Mexico unraveled by geochemical analysis

    John S. Armstrong-Altrin;María Luisa Machain-Castillo;Leticia Rosales-Hoz;Arturo Carranza-Edwards

  • Geochemistry of Neoproterozoic shales of the Rabanpalli Formation, Bhima Basin, Northern Karnataka, southern India: implications for provenance and paleoredox conditions

    Ramasamy Nagarajan;Jayagopal Madhavaraju;Raghavendra Nagendra;John Selvamony Armstrong-Altrin

  • Geochemistry of the Jurassic and Upper Cretaceous shales from the Molango Region, Hidalgo, eastern Mexico: Implications for source-area weathering, provenance, and tectonic setting

    John S. Armstrong-Altrin;Ramasamy Nagarajan;Jayagopal Madhavaraju;Leticia Rosalez-Hoz

  • Geochemistry of beach sands along the western Gulf of Mexico, Mexico: Implication for provenance

    John S. Armstrong-Altrin;Yong Il Lee;Juan J. Kasper-Zubillaga;A. Carranza-Edwards

  • Petrography and geochemistry of sands from the Chachalacas and Veracruz beach areas, western Gulf of Mexico, Mexico: Constraints on provenance and tectonic setting

    John S. Armstrong-Altrin;Ramasamy Nagarajan;Vysetti Balaram;Olmedo Natalhy-Pineda

  • Mineralogy and geochemistry of sands along the Manzanillo and El Carrizal beach areas, southern Mexico: implications for palaeoweathering, provenance and tectonic setting

    John S. Armstrong-Altrin;Yong Il Lee;Juan J. Kasper-Zubillaga;Elisandra Trejo-Ramírez

  • Evaluation of two multidimensional discrimination diagrams from beach and deep-sea sediments from the Gulf of Mexico and their application to Precambrian clastic sedimentary rocks

    John S. Armstrong-Altrin

  • Provenance of sands from Cazones, Acapulco, and Bahía Kino beaches, México

    John S. Armstrong-Altrin

  • Petrography and geochemistry of clastic sedimentary rocks as evidences for provenance of the Lower Cambrian Lalun Formation, Posht-e-badam block, Central Iran

    N. Etemad-Saeed;M. Hosseini-Barzi;John S. Armstrong-Altrin

  • Geochemistry of sands along the San Nicolás and San Carlos beaches, Gulf of California, Mexico: implications for provenance and tectonic setting

    John S. Armstrong-Altrin;Ramasamy Nagarajan;Yong Il Lee

  • Trace metal enrichments in core sediments in Muthupet mangroves, SE coast of India: Application of acid leachable technique

    D. Janaki-Raman;M.P. Jonathan;S. Srinivasalu;J.S. Armstrong-Altrin

  • Geochemistry of Neoproterozoic limestones of the Shahabad Formation, Bhima Basin, Karnataka, southern India

    Ramasamy Nagarajan;Jayagopal Madhavaraju;John S. Armstrong-Altrin;Raghavendra Nagendra

  • Provenance discrimination between Atasta and Alvarado beach sands, western Gulf of Mexico, Mexico: Constraints from detrital zircon chemistry and U–Pb geochronology

    John S. Armstrong-Altrin;Mayla A. Ramos-Vázquez;Ana C. Zavala-León;Patricia C. Montiel-García

  • Mineralogy, geochemistry, and radiocarbon ages of deep sea sediments from the Gulf of Mexico, Mexico

    John S. Armstrong-Altrin;María Luisa Machain-Castillo

  • Assessment of acid leachable trace metals in sediment cores from River Uppanar, Cuddalore, Southeast coast of India

    T. Ayyamperumal;M.P. Jonathan;S. Srinivasalu;J.S. Armstrong-Altrin

  • Geochemistry of upper miocene kudankulam limestones, Southern India

    J. S. Armstrong-Altrin;Surendra P. Verma;J. Madhavaraju;Yong Il Lee

  • Carbon and oxygen isotope geochemistry of Neoproterozoic limestones of the Shahabad Formation, Bhima basin, Karnataka, southern India

    Ramasamy Nagarajan;Alcides N. Sial;John S. Armstrong-Altrin;Jayagopal Madhavaraju

Frequent Co-Authors

Surendra P. Verma
Surendra P. Verma National Autonomous University of Mexico
Yong Il Lee
Yong Il Lee Seoul National University of Science and Technology
Alcides N. Sial
Alcides N. Sial Federal University of Pernambuco
M.P. Jonathan
M.P. Jonathan Instituto Politécnico Nacional
Vysetti Balaram
Vysetti Balaram National Geophysical Research Institute
Rob M. Ellam
Rob M. Ellam Tianjin University
Joan-Albert Sanchez-Cabeza
Joan-Albert Sanchez-Cabeza National Autonomous University of Mexico
Richard H. Worden
Richard H. Worden University of Liverpool
G. Nelson Eby
G. Nelson Eby University of Massachusetts Lowell
Ana Carolina Ruiz-Fernández
Ana Carolina Ruiz-Fernández National Autonomous University of Mexico

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