Richard A. Armstrong

1.5k total citations · 1 hit paper
15 papers, 1.2k citations indexed

About

Richard A. Armstrong is a scholar working on Geophysics, Artificial Intelligence and Geochemistry and Petrology. According to data from OpenAlex, Richard A. Armstrong has authored 15 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Geophysics, 9 papers in Artificial Intelligence and 5 papers in Geochemistry and Petrology. Recurrent topics in Richard A. Armstrong's work include Geological and Geochemical Analysis (10 papers), Geochemistry and Geologic Mapping (9 papers) and Geochemistry and Elemental Analysis (5 papers). Richard A. Armstrong is often cited by papers focused on Geological and Geochemical Analysis (10 papers), Geochemistry and Geologic Mapping (9 papers) and Geochemistry and Elemental Analysis (5 papers). Richard A. Armstrong collaborates with scholars based in Australia, South Africa and Brazil. Richard A. Armstrong's co-authors include Maarten J. de Wit, Cornel E.J. de Ronde, M. Tredoux, C. Roering, Rodger J. Hart, Roger Hart, S.C. Milner, A. Ewart, J Avila and Guilherme Mallmann and has published in prestigious journals such as Nature, PLoS ONE and Geology.

In The Last Decade

Richard A. Armstrong

15 papers receiving 1.1k citations

Hit Papers

Formation of an Archaean continent 1992 2026 2003 2014 1992 200 400 600
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Formation of an Archaean continent
    1992 638 citations Maarten J. de Wit, Cornel E.J. de Ronde et al. Nature profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Richard A. Armstrong Australia 11 1.1k 518 200 165 145 15 1.2k
Théodore Razakamanana Madagascar 18 1.2k 1.1× 295 0.6× 278 1.4× 166 1.0× 98 0.7× 40 1.2k
Martin B. Klausen South Africa 17 903 0.8× 397 0.8× 134 0.7× 213 1.3× 86 0.6× 35 964
G. R. Dunning Canada 18 1.1k 1.0× 490 0.9× 275 1.4× 63 0.4× 117 0.8× 39 1.2k
R. W. Kent United Kingdom 15 1.4k 1.3× 377 0.7× 141 0.7× 181 1.1× 140 1.0× 23 1.5k
S.J.A Brown Australia 18 1.1k 1.0× 456 0.9× 105 0.5× 87 0.5× 87 0.6× 20 1.2k
P. G. Gresse South Africa 12 916 0.8× 300 0.6× 271 1.4× 115 0.7× 139 1.0× 14 1.0k
N Rogers Canada 13 1.0k 0.9× 487 0.9× 207 1.0× 72 0.4× 93 0.6× 35 1.1k
Sheree Armistead Australia 8 781 0.7× 244 0.5× 321 1.6× 126 0.8× 113 0.8× 17 948
Jeroen A.M. Van Gool Denmark 18 1.0k 0.9× 454 0.9× 104 0.5× 297 1.8× 79 0.5× 37 1.2k
Pablo Valverde-Vaquero Spain 20 1.5k 1.4× 440 0.8× 319 1.6× 46 0.3× 142 1.0× 43 1.5k

Countries citing papers authored by Richard A. Armstrong

Since Specialization
Citations

This map shows the geographic impact of Richard A. Armstrong'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 Richard A. Armstrong with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Richard A. Armstrong more than expected).

Fields of papers citing papers by Richard A. Armstrong

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Richard A. Armstrong. 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 Richard A. Armstrong. The network helps show where Richard A. Armstrong may publish in the future.

Co-authorship network of co-authors of Richard A. Armstrong

This figure shows the co-authorship network connecting the top 25 collaborators of Richard A. Armstrong. A scholar is included among the top collaborators of Richard A. Armstrong 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 Richard A. Armstrong. Richard A. Armstrong is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

15 of 15 papers shown
1.
Jeffres, Carson A., Andrew L. Rypel, Malte Willmes, et al.. (2021). Biogeochemical processes create distinct isotopic fingerprints to track floodplain rearing of juvenile salmon. PLoS ONE. 16(10). e0257444–e0257444. 4 indexed citations
2.
Shewan, Louise, Richard A. Armstrong, & Dougald O’Reilly. (2020). Baseline bioavailable strontium isotope values for the investigation of residential mobility and resource‐acquisition strategies in prehistoric Cambodia. Archaeometry. 62(4). 810–826. 9 indexed citations
3.
4.
Stevens, Gary, et al.. (2011). Diversity in Earth's early felsic crust: Paleoarchean peraluminous granites of the Barberton Greenstone Belt. Geology. 39(10). 963–966. 41 indexed citations
5.
Poujol, Marc, Andreas Hirner, Richard A. Armstrong, & C.R. Anhaeusser. (2008). U-Pb SHRIMP data for the Madibe greenstone belt: implications for crustal growth on the western margin of the Kaapvaal Craton, South Africa. South African Journal of Geology. 111(1). 67–78. 10 indexed citations
6.
Mallmann, Guilherme, Farid Chemale, J Avila, Koji Kawashita, & Richard A. Armstrong. (2007). Isotope geochemistry and geochronology of the Nico Pérez Terrane, Rio de la Plata Craton, Uruguay. Gondwana Research. 12(4). 489–508. 82 indexed citations
7.
Avila, J, Farid Chemale, Guilherme Mallmann, Koji Kawashita, & Richard A. Armstrong. (2006). Combined stratigraphic and isotopic studies of Triassic strata, Cuyo Basin, Argentine Precordillera. Geological Society of America Bulletin. 118(9-10). 1088–1098. 44 indexed citations
8.
Pimentel, Márcio Martins, Hardy Jost, Reinhardt A. Fuck, et al.. (2003). Neoproterozoic anatexis of 2.9 Ga old granitoids in the Goiás-Crixás archean block, Central Brazil: evidence from new SHRIMP U-Pb data and Sm-Nd isotopes. Geologia USP Série Científica. 3(1). 1–12. 12 indexed citations
9.
Robb, Laurence, et al.. (2000). Nature and longevity of hydrothermal fluid flow and mineralisation in granites of the Bushveld Complex, South Africa. Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 91(1-2). 269–281. 9 indexed citations
10.
Stevens, Gary, Richard A. Armstrong, & Roger L. Gibson. (1999). Pre- and Postimpact Metamorphism in the Core of the Vredefort Dome: Clues to Crustal Response at a Massive Meteorite Strike. Meteoritics and Planetary Science Supplement. 34. 2 indexed citations
11.
Ewart, A., S.C. Milner, Richard A. Armstrong, & A. R. Duncan. (1998). Etendeka Volcanism of the Goboboseb Mountains and Messum Igneous Complex, Namibia. Part II: Voluminous Quartz Latite Volcanism of the Awahab Magma System. Journal of Petrology. 39(2). 227–253. 76 indexed citations
12.
13.
Wit, Maarten J. de, Richard A. Armstrong, Sandra L. Kamo, & A. J. Erlank. (1993). Gold-bearing sediments in the Pietersburg greenstone belt; age equivalents of the Witwatersrand Supergroup sediments, South Africa. Economic Geology. 88(5). 1242–1252. 37 indexed citations
14.
Wit, Maarten J. de, Cornel E.J. de Ronde, M. Tredoux, et al.. (1992). Formation of an Archaean continent. Nature. 357(6379). 553–562. 638 indexed citations breakdown →
15.
Harris, Chris, et al.. (1990). Oxygen isotope geochemistry of the silicic volcanic rocks of the Etendeka-Paraná province: Source constraints. Geology. 18(11). 1119–1119. 32 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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