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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 45 4450 4093 1716 1524 166 7698

John F. Slack publications per year

The chart shows the history of publications by John F. Slack between 1974 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John F. Slack published across 52 years, from 1974 to 2025, averaging 3.3 papers a year. Output peaked at 10 publications in 2016. 4 of the 173 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1974 to 2025. Vertical axis: number of publications, 0 to 10. Peak 10 publications in 2016. 1974: 1 publication 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 1 publication 1979: 5 publications 1980: 3 publications 1981: 0 publications 1982: 1 publication 1983: 8 publications 1984: 7 publications 1985: 2 publications 1986: 0 publications 1987: 1 publication 1988: 1 publication 1989: 4 publications 1990: 1 publication 1991: 2 publications 1992: 2 publications 1993: 2 publications 1994: 2 publications 1995: 1 publication 1996: 4 publications 1997: 2 publications 1998: 3 publications 1999: 3 publications 2000: 2 publications 2001: 6 publications 2002: 0 publications 2003: 5 publications 2004: 4 publications 2005: 3 publications 2006: 3 publications 2007: 3 publications 2008: 4 publications 2009: 7 publications 2010: 2 publications 2011: 4 publications 2012: 5 publications 2013: 1 publication 2014: 9 publications 2015: 4 publications 2016: 10 publications 2017: 10 publications 2018: 8 publications 2019: 5 publications 2020: 4 publications 2021: 3 publications 2022: 8 publications 2023: 3 publications 2024: 3 publications 2025: 1 publication
1974 2025

173 publications in total across all disciplines

View publications per year as a table
John F. Slack: publications per year, 1974 to 2025
Year Publications
1974 1
1975 0
1976 0
1977 0
1978 1
1979 5
1980 3
1981 0
1982 1
1983 8
1984 7
1985 2
1986 0
1987 1
1988 1
1989 4
1990 1
1991 2
1992 2
1993 2
1994 2
1995 1
1996 4
1997 2
1998 3
1999 3
2000 2
2001 6
2002 0
2003 5
2004 4
2005 3
2006 3
2007 3
2008 4
2009 7
2010 2
2011 4
2012 5
2013 1
2014 9
2015 4
2016 10
2017 10
2018 8
2019 5
2020 4
2021 3
2022 8
2023 3
2024 3
2025 1
Total 173
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John F. Slack 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 F. Slack 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: 166 publications — 47th percentile

47% 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
158–167 458 166
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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John F. Slack 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 F. Slack 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, 45 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: 45 D-Index — 53rd percentile

53% 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 45
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

John F. Slack is affiliated with the United States Geological Survey in the United States. Their research spans multiple fields, primarily focusing on Earth and Planetary Sciences as well as Computer Science. Within these disciplines, their work delves into several subfields including Geophysics, Artificial Intelligence, Geochemistry and Petrology, Inorganic Chemistry, and Paleontology.

Slack's research topics cover a range of geological and geochemical themes. These include Geochemistry and Geologic Mapping, Geological and Geochemical Analysis, Radioactive Element Chemistry and Processing, Geochemistry and Elemental Analysis, Paleontology and Stratigraphy of Fossils, Hydrocarbon Exploration and Reservoir Analysis, and Earthquake and Tectonic Studies.

Their recent papers illustrate an ongoing engagement with mineralogy, geochemistry, and ancient microbial ecosystems. Recent publications include:

  • Boron isotope variations in tourmaline from hydrothermal ore deposits: A review of controlling factors and insights for mineralizing systems (2020, Ore Geology Reviews)
  • Metabolically diverse primordial microbial communities in Earth's oldest seafloor-hydrothermal jasper (2022, Science Advances)
  • A late Paleoproterozoic (1.74 Ga) deep-sea, low-temperature, iron-oxidizing microbial hydrothermal vent community from Arizona, USA (2021, Geobiology)
  • Abiotic anoxic iron oxidation, formation of Archean banded iron formations, and the oxidation of early Earth (2022, Earth and Planetary Science Letters)
  • Origin of Tin Mineralization in the Sullivan Pb-Zn-Ag Deposit, British Columbia: Constraints from Textures, Geochemistry, and LA-ICP-MS U-Pb Geochronology of Cassiterite (2020, Economic Geology)

Slack frequently collaborates with several researchers, including Robert G Marvinney, Chunzeng Wang, Anjana K. Shah, Amber H. Whittaker, and John N. Aleinikoff. Their collaborations indicate interdisciplinary engagement across geosciences and geochemistry.

Their publications are often found in venues such as Abstracts with programs - Geological Society of America, Economic Geology, Goldschmidt Abstracts, Canadian Journal of Earth Sciences, and Ore Geology Reviews. The distribution of their work in these specialized journals reflects a consistent focus on geological and geochemical research.

Best Publications

  • Iron Formation: The Sedimentary Product of a Complex Interplay among Mantle, Tectonic, Oceanic, and Biospheric Processes

    A. Bekker;B. Krapež;J. F. Slack;N. Planavsky

  • Evidence for early life in Earth’s oldest hydrothermal vent precipitates

    Matthew S. Dodd;Matthew S. Dodd;Dominic Papineau;Dominic Papineau;Tor Grenne;John F. Slack

  • Suboxic deep seawater in the late Paleoproterozoic: Evidence from hematitic chert and iron formation related to seafloor-hydrothermal sulfide deposits, central Arizona, USA

    J. F. Slack;Tor Grenne;A. Bekker;O.J. Rouxel

  • Textural, Compositional, and Sulfur Isotope Variations of Sulfide Minerals in the Red Dog Zn-Pb-Ag Deposits, Brooks Range, Alaska: Implications for Ore Formation

    K. D. Kelley;D. L. Leach;C. A. Johnson;J. L. Clark

  • Iron Formations: Their Origins and Implications for Ancient Seawater Chemistry

    A. Bekker;N. Planavsky;Birger Rasmussen;Bryan Krapez

  • Tourmaline associations with hydrothermal ore deposits

    John F. Slack

  • Boron isotopic composition of tourmaline from massive sulfide deposits and tourmalinites

    Martin R. Palmer;John F. Slack

  • Tourmaline as a Recorder of Ore-Forming Processes

    John F. Slack;Robert B. Trumbull

  • Origin and significance of tourmaline-rich rocks in the Broken Hill district, Australia

    John F. Slack;Martin R. Palmer;Brian P. J. Stevens;Robert G. Barnes

  • Tourmalines from Appalachian-Caledonian massive sulfide deposits; textural, chemical, and isotopic relationships

    Bruce E. Taylor;John F. Slack

  • Boron Isotopes in the Continental Crust: Granites, Pegmatites, Felsic Volcanic Rocks, and Related Ore Deposits

    Robert B. Trumbull;John F. Slack

  • Seafloor-hydrothermal Si-Fe-Mn exhalites in the Pecos greenstone belt, New Mexico, and the redox state of ca. 1720 Ma deep seawater

    John F. Slack;Tor Grenne;Andrey Bekker

  • Stratiform tourmalinites in metamorphic terranes and their geologic significance

    John F. Slack;Neil Herriman;Robert G. Barnes;Ian R. Plimer

  • The hyper-enrichment of V and Zn in black shales of the Late Devonian-Early Mississippian Bakken Formation (USA)

    Clinton T. Scott;John F. Slack;Karen Duttweiler Kelley

  • Paleozoic and Mesozoic silica-rich seawater: Evidence from hematitic chert (jasper) deposits

    Tor Grenne;John F. Slack

  • Clastic metasediments of the Early Proterozoic Broken Hill Group, New South Wales, Australia: Geochemistry, provenance, and metallogenic significance

    John F. Slack;Brian P.J. Stevens

  • Paragenesis and chemistry of multistage tourmaline formation in the sullivan Pb-Zn-Ag deposit, British Columbia

    Shao-Yong Jiang;Martin R. Palmer;John F. Slack;David R. Shaw

  • Evidence for episodic oxygenation in a weakly redox-buffered deep mid-Proterozoic ocean

    Noah J. Planavsky;John F. Slack;John F. Slack;William F. Cannon;Brennan O'Connell

  • Bedded jaspers of the Ordovician Løkken ophiolite, Norway: seafloor deposition and diagenetic maturation of hydrothermal plume-derived silica-iron gels

    Tor Grenne;John F. Slack

  • Boron isotope systematics of tourmaline formation in the Sullivan Pb–Zn–Ag deposit, British Columbia, Canada

    Shao-Yong Jiang;Martin R. Palmer;John F. Slack;David R. Shaw

  • Volcanogenic massive sulfide occurrence model: Chapter C in Mineral deposit models for resource assessment

    W.C. Pat Shanks;Randolph A. Koski;Dan L. Mosier;Klaus J. Schulz

Frequent Co-Authors

Martin R. Palmer
Martin R. Palmer University of Southampton
Craig A. Johnson
Craig A. Johnson United States Geological Survey
Andrey Bekker
Andrey Bekker University of California, Riverside
John N. Aleinikoff
John N. Aleinikoff United States Geological Survey
Robert B. Trumbull
Robert B. Trumbull University of Potsdam
Shao-Yong Jiang
Shao-Yong Jiang China University of Geosciences
Noah J. Planavsky
Noah J. Planavsky Yale University
Olivier Rouxel
Olivier Rouxel French Research Institute for Exploitation of the Sea
Harvey E. Belkin
Harvey E. Belkin United States Geological Survey
David Selby
David Selby Durham University

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