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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 31 8921 8289 2895 2561 75 4020

Christopher H. Gammons publications per year

The chart shows the history of publications by Christopher H. Gammons between 1985 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Christopher H. Gammons published across 40 years, from 1985 to 2024, averaging 2.3 papers a year. Output peaked at 8 publications in 2006. 7 of the 90 publications appeared in the last two years.

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

90 publications in total across all disciplines

View publications per year as a table
Christopher H. Gammons: publications per year, 1985 to 2024
Year Publications
1985 2
1986 0
1987 0
1988 1
1989 2
1990 0
1991 0
1992 1
1993 2
1994 3
1995 4
1996 5
1997 6
1998 1
1999 3
2000 1
2001 2
2002 0
2003 1
2004 1
2005 4
2006 8
2007 3
2008 5
2009 4
2010 3
2011 0
2012 0
2013 2
2014 2
2015 3
2016 2
2017 0
2018 1
2019 1
2020 2
2021 3
2022 5
2023 2
2024 5
Total 90
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Christopher H. Gammons 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 Christopher H. Gammons 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, 68–77 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: 75 publications — 3rd percentile

3% 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 75
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
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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Christopher H. Gammons 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 Christopher H. Gammons 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, 31 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: 31 D-Index — 4th percentile

4% 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 31
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
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

Christopher H. Gammons is affiliated with Montana Tech of the University of Montana in the United States, where their research primarily focuses on the fields of Earth and Planetary Sciences, Engineering, and Environmental Science. Their work spans various subfields including Environmental Chemistry, Geochemistry and Petrology, Biomedical Engineering, Civil and Structural Engineering, and Artificial Intelligence.

The main topics covered in their research include:

  • Mine drainage and remediation techniques
  • Metal Extraction and Bioleaching
  • Mineralogy and Gemology Studies
  • Geochemistry and Geologic Mapping
  • Geological and Geochemical Analysis
  • Geochemistry and Elemental Analysis
  • Extraction and Separation Processes

Their recent papers illustrate a focus on geochemical processes and environmental remediation, with representative publications such as:

  • "Investigating the potential for microbially induced carbonate precipitation to treat mine waste" (2021), Journal of Hazardous Materials
  • "Stability of aqueous Fe(III) chloride complexes and the solubility of hematite between 150 and 300 °C" (2021), Geochimica et Cosmochimica Acta
  • "Geochemistry of natural acid rock drainage in the Judith Mountains, Montana, part 2: Seasonal and spatial trends in Chicago Gulch" (2021), Applied Geochemistry
  • "Geochemistry of natural acid rock drainage in the Mt Evans area, Anaconda-Pintler Range, Montana, USA" (2021), Geochemistry Exploration Environment Analysis
  • "Mineralogy and environmental geochemistry of copper slag from Butte, Montana" (2024), Journal of Geochemical Exploration

Their frequent coauthors include Celine Beaucamp, J. M. Thompson, Kyle Eastman, Simon R. Poulson, and Jenna Kaplan, each collaborating on multiple publications.

Christopher H. Gammons' research is regularly published in established venues such as Ore Geology Reviews, Goldschmidt2022 abstracts, Abstracts with programs - Geological Society of America, Journal of Hazardous Materials, and Geochimica et Cosmochimica Acta.

Best Publications

  • Diel biogeochemical processes and their effect on the aqueous chemistry of streams: A review

    David A. Nimick;Christopher H. Gammons;Stephen R. Parker

  • Chemical mobility of gold in the porphyry-epithermal environment

    C. H. Gammons;A. E. Williams-Jones

  • Factors controlling copper solubility and chalcopyrite deposition in the Sungun porphyry copper deposit, Iran

    A. Hezarkhani;Æ A. E. Williams-Jones;C. H. Gammons

  • The disproportionation of gold(I) chloride complexes at 25 to 200°C

    Christopher H. Gammons;Yunmei Yu;A.E. Williams-Jones

  • Diel cycles in dissolved metal concentrations in streams: Occurrence and possible causes

    David A. Nimick;Christopher H. Gammons;Thomas E. Cleasby;James P. Madison

  • The hydrogen and oxygen isotopic composition of precipitation, evaporated mine water, and river water in Montana, USA

    Christopher H. Gammons;Simon R. Poulson;Damon A. Pellicori;Pamela J. Reed

  • The aqueous geochemistry of the rare earth elements. Part XIV: The solubility of rare earth element phosphates from 23 to 150 °C

    Ziya S. Cetiner;Scott A. Wood;Christopher H. Gammons

  • Hydrothermal geochemistry of electrum; thermodynamic constraints

    Christopher H. Gammons;A. E. Williams-Jones

  • Experimental study of copper(I) chloride complexing in hydrothermal solutions at 40 to 300°C and saturated water vapor pressure

    Zhifeng Xiao;C.H. Gammons;A.E. Williams-Jones

  • Hydrogeochemistry and rare earth element behavior in a volcanically acidified watershed in Patagonia, Argentina

    Christopher H. Gammons;Scott A. Wood;Fernando Pedrozo;Johan C. Varekamp

  • Diel behavior of iron and other heavy metals in a mountain stream with acidic to neutral pH: Fisher Creek, Montana, USA

    Christopher H. Gammons;David A. Nimick;Stephen R. Parker;Thomas E. Cleasby

  • The solubility of Ag2S in near-neutral aqueous sulfide solutions at 25 to 300°C☆

    Christopher H. Gammons;H.L. Barnes

  • The aqueous geochemistry of the rare earth elements and yttrium: VI. Stability of neodymium chloride complexes from 25 to 300°C

    C.H. Gammons;S.A. Wood;A.E. Williams-Jones

  • The solubility of AuAg alloy + AgCl in HCl/NaCl solutions at 300°C: New data on the stability of Au (1) chloride complexes in hydrothermal fluids

    C.H. Gammons;A.E. Williams-Tones

  • Geochemistry and stable isotope composition of the Berkeley pit lake and surrounding mine waters, Butte, Montana

    Damon A. Pellicori;Christopher H. Gammons;Simon R. Poulson

  • Experimental investigation of the hydrothermal geochemistry of platinum and palladium: I. Solubility of platinum and palladium sulfide minerals in NaCl/H2SO4 solutions at 300°C

    C.H Gammons;M.S Bloom;Y Yu

  • Geochemistry of the rare-earth elements and uranium in the acidic Berkeley Pit lake, Butte, Montana

    Christopher H Gammons;Scott A Wood;James P Jonas;James P Madison

  • Diel cycling and stable isotopes of dissolved oxygen, dissolved inorganic carbon, and nitrogenous species in a stream receiving treated municipal sewage

    Christopher H. Gammons;John N. Babcock;Stephen R. Parker;Simon R. Poulson

  • Mercury concentrations of fish, river water, and sediment in the Río Ramis-Lake Titicaca watershed, Peru.

    Christopher H. Gammons;Darell G. Slotton;Butch Gerbrandt;Willis Weight

  • Rates of Arsenopyrite Oxidation by Oxygen and Fe(III) at pH 1.8−12.6 and 15−45 °C

    Yunmei Yu;Yongxuan Zhu;Zhenmin Gao;Christopher H Gammons

  • Geochemistry and stable isotope investigation of acid mine drainage associated with abandoned coal mines in central Montana, USA

    Christopher H. Gammons;Terence E. Duaime;Stephen R. Parker;Simon R. Poulson

  • Experimental investigations of the hydrothermal geochemistry of platinum and palladium: V. Equilibria between platinum metal, Pt(II), and Pt(IV) chloride complexes at 25 to 300°C

    Christopher H. Gammons

  • Using stable isotopes (S, O) of sulfate to track local contamination of the Madison karst aquifer, Montana, from abandoned coal mine drainage

    Christopher H. Gammons;Allison Brown;Simon R. Poulson;Thomas H. Henderson

  • Precipitation and dissolution rate constants for cristobalite from 150 to 300°C

    P.J.N. Renders;C.H. Gammons;H.L. Barnes

  • Experimental investigation of the hydrothermal geochemistry of platinum and palladium: II. The solubility of PtS and PdS in aqueous sulfide solutions to 300°C

    C.H Gammons;M.S Bloom

  • A one-term extrapolation method for estimating equilibrium constants of aqueous reactions at elevated temperatures

    Y. Gu;C.H. Gammons;M.S. Bloom

  • Fate and transport of metals in H2S-rich waters at a treatment wetland

    Christopher H Gammons;Angela K Frandsen

Frequent Co-Authors

Simon R. Poulson
Simon R. Poulson University of Nevada Reno
Scott A. Wood
Scott A. Wood University of Idaho
Anthony E. Williams-Jones
Anthony E. Williams-Jones McGill University
Michael D. DeGrandpre
Michael D. DeGrandpre University of Montana
Eric S. Boyd
Eric S. Boyd Montana State University
Johan C. Varekamp
Johan C. Varekamp Wesleyan University
R. Blaine McCleskey
R. Blaine McCleskey United States Geological Survey
John E. Dore
John E. Dore Montana State University
F. Richard Hauer
F. Richard Hauer University of Montana
Jack A. Stanford
Jack A. Stanford University of Montana

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