Roger E. Stoffregen

1.5k total citations
20 papers, 1.2k citations indexed

About

Roger E. Stoffregen is a scholar working on Artificial Intelligence, Geophysics and Biomaterials. According to data from OpenAlex, Roger E. Stoffregen has authored 20 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Artificial Intelligence, 9 papers in Geophysics and 7 papers in Biomaterials. Recurrent topics in Roger E. Stoffregen's work include Geochemistry and Geologic Mapping (9 papers), Geological and Geochemical Analysis (8 papers) and Clay minerals and soil interactions (6 papers). Roger E. Stoffregen is often cited by papers focused on Geochemistry and Geologic Mapping (9 papers), Geological and Geochemical Analysis (8 papers) and Clay minerals and soil interactions (6 papers). Roger E. Stoffregen collaborates with scholars based in United States and Canada. Roger E. Stoffregen's co-authors include Charles N. Alpers, J. L. Jambor, Robert O. Rye, G.L. Cygan, Michael D. Wasserman, Philip M. Bethke, Peter G. Vikre, Gregg A. Swayze, George N. Breit and J. L. Post and has published in prestigious journals such as Geochimica et Cosmochimica Acta, Chemical Geology and American Mineralogist.

In The Last Decade

Roger E. Stoffregen

20 papers receiving 1.1k citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Roger E. Stoffregen United States 15 689 560 263 197 174 20 1.2k
Antonio Arribas United States 18 1.7k 2.4× 1.2k 2.2× 324 1.2× 88 0.4× 88 0.5× 46 2.0k
Jean Cauzid France 20 439 0.6× 366 0.7× 165 0.6× 64 0.3× 127 0.7× 47 1.1k
James S. Cleverley Australia 18 823 1.2× 695 1.2× 202 0.8× 68 0.3× 88 0.5× 39 1.2k
Philip M. Bethke United States 17 1.3k 1.9× 887 1.6× 390 1.5× 153 0.8× 151 0.9× 36 1.8k
Karen D. Kelley United States 23 1.2k 1.8× 1.1k 2.0× 545 2.1× 134 0.7× 92 0.5× 82 1.8k
M. T. Styles United Kingdom 24 818 1.2× 370 0.7× 200 0.8× 107 0.5× 106 0.6× 49 1.3k
Shaun L.L. Barker Australia 21 1.2k 1.8× 823 1.5× 320 1.2× 209 1.1× 101 0.6× 47 1.7k
Nora K. Foley United States 16 740 1.1× 583 1.0× 375 1.4× 98 0.5× 61 0.4× 56 1.2k
Albert H. Hofstra United States 26 1.8k 2.7× 1.6k 2.9× 567 2.2× 79 0.4× 73 0.4× 82 2.3k
B. De Vivo Italy 14 793 1.2× 510 0.9× 208 0.8× 66 0.3× 33 0.2× 25 1.2k

Countries citing papers authored by Roger E. Stoffregen

Since Specialization
Citations

This map shows the geographic impact of Roger E. Stoffregen's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Roger E. Stoffregen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Roger E. Stoffregen more than expected).

Fields of papers citing papers by Roger E. Stoffregen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Roger E. Stoffregen. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Roger E. Stoffregen. The network helps show where Roger E. Stoffregen may publish in the future.

Co-authorship network of co-authors of Roger E. Stoffregen

This figure shows the co-authorship network connecting the top 25 collaborators of Roger E. Stoffregen. A scholar is included among the top collaborators of Roger E. Stoffregen based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Roger E. Stoffregen. Roger E. Stoffregen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Swayze, Gregg A., R. N. Clark, A. F. H. Goetz, et al.. (2014). Mapping Advanced Argillic Alteration at Cuprite, Nevada, Using Imaging Spectroscopy. Economic Geology. 109(5). 1179–1221. 139 indexed citations
2.
Swayze, Gregg A., George A. Desborough, R. N. Clark, et al.. (2006). Detection of Jarosite and Alunite with Hyperspectral Imaging: Prospects for Determining Their Origin on Mars Using Orbital Sensors. LPICo. 1331. 70. 4 indexed citations
3.
Stoffregen, Roger E.. (2006). Experimental Studies of Jarosite and Alunite at Hydrothermal Conditions. 1331. 69. 2 indexed citations
4.
Bethke, Philip M., Robert O. Rye, Roger E. Stoffregen, & Peter G. Vikre. (2005). Evolution of the magmatic-hydrothermal acid-sulfate system at Summitville, Colorado: integration of geological, stable-isotope, and fluid-inclusion evidence. Chemical Geology. 215(1-4). 281–315. 65 indexed citations
5.
Stoffregen, Roger E., Peter G. Vikre, & Philip M. Bethke. (2005). Homogenization temperature and salinity data for fluid inclusions from the Summitville, Colorado, Cu-Au-Ag deposit. Antarctica A Keystone in a Changing World. 1 indexed citations
6.
Lager, G. A., Gregg A. Swayze, C.-K. Loong, et al.. (2001). NEUTRON SPECTROSCOPIC STUDY OF SYNTHETIC ALUNITE AND OXONIUM-SUBSTITUTED ALUNITE. The Canadian Mineralogist. 39(4). 1131–1138. 21 indexed citations
7.
Stoffregen, Roger E., Charles N. Alpers, & J. L. Jambor. (2000). Alunite-Jarosite Crystallography, Thermodynamics, and Geochronology. Reviews in Mineralogy and Geochemistry. 40(1). 453–479. 192 indexed citations
8.
Stoffregen, Roger E.. (1996). Numerical simulation of mineral-water isotope exchange via Ostwald ripening. American Journal of Science. 296(8). 908–931. 13 indexed citations
9.
Rye, Robert O. & Roger E. Stoffregen. (1995). Jarosite-water oxygen and hydrogen isotope fractionations; preliminary experimental data. Economic Geology. 90(8). 2336–2342. 20 indexed citations
10.
Stoffregen, Roger E., Robert O. Rye, & Michael D. Wasserman. (1994). Experimental studies of alunite: I. 18O-16O and D-H fractionation factors between alunite and water at 250–450°C. Geochimica et Cosmochimica Acta. 58(2). 903–916. 72 indexed citations
11.
Stoffregen, Roger E., Robert O. Rye, & Michael D. Wasserman. (1994). Experimental studies of alunite: II. Rates of alunite-water alkali and isotope exchange. Geochimica et Cosmochimica Acta. 58(2). 917–929. 22 indexed citations
12.
Stoffregen, Roger E.. (1993). Stability relations of jarosite and natrojarosite at 150–250°C. Geochimica et Cosmochimica Acta. 57(11). 2417–2429. 79 indexed citations
13.
Stoffregen, Roger E. & Charles N. Alpers. (1992). Observations on the unit-cell dimensions, H 2 O contents, and delta D values of natural and synthetic alunite. American Mineralogist. 77. 1092–1098. 37 indexed citations
14.
Stoffregen, Roger E. & G.L. Cygan. (1990). An experimental study of Na-K exchange between alunite and aqueous sulfate solutions. American Mineralogist. 75. 209–220. 71 indexed citations
15.
Rye, Robert O., Roger E. Stoffregen, & Philip M. Bethke. (1990). Stable isotope systematics and magmatic and hydrothermal processes in the Summitville, CO gold deposit. Antarctica A Keystone in a Changing World. 14 indexed citations
16.
Stoffregen, Roger E. & Charles N. Alpers. (1987). Woodhouseite and svanbergite in hydrothermal ore deposits; products of apatite destruction during advanced argillic alteration. 25(2). 201–211. 124 indexed citations
17.
Stoffregen, Roger E.. (1987). Genesis of acid-sulfate alteration and Au-Cu-Ag mineralization at Summitville, Colorado. Economic Geology. 82(6). 1575–1591. 239 indexed citations
18.
19.
Brimhall, George H., et al.. (1985). The hydrothermal conversion of hornblende to biotite. 23(3). 369–379. 27 indexed citations
20.
Brimhall, George H., et al.. (1984). Zoning in precious metal distribution within base metal sulfides; a new lithologic approach using generalized inverse methods. Economic Geology. 79(2). 209–226. 8 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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