Tor Grenne

2.0k total citations · 1 hit paper
34 papers, 1.3k citations indexed

About

Tor Grenne is a scholar working on Geophysics, Paleontology and Artificial Intelligence. According to data from OpenAlex, Tor Grenne has authored 34 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Geophysics, 13 papers in Paleontology and 13 papers in Artificial Intelligence. Recurrent topics in Tor Grenne's work include Geological and Geochemical Analysis (27 papers), Geochemistry and Geologic Mapping (13 papers) and Paleontology and Stratigraphy of Fossils (12 papers). Tor Grenne is often cited by papers focused on Geological and Geochemical Analysis (27 papers), Geochemistry and Geologic Mapping (13 papers) and Paleontology and Stratigraphy of Fossils (12 papers). Tor Grenne collaborates with scholars based in Norway, United States and Canada. Tor Grenne's co-authors include John F. Slack, Andrey Bekker, Crispin T. S. Little, Franco Pirajno, Dominic Papineau, Olivier Rouxel, Matthew S. Dodd, Jonathan OʼNeil, Martin Rittner and Frank M. Vokes and has published in prestigious journals such as Nature, Geochimica et Cosmochimica Acta and Earth and Planetary Science Letters.

In The Last Decade

Tor Grenne

34 papers receiving 1.3k citations

Hit Papers

Evidence for early life in Earth’s oldest hydrothermal ve... 2017 2026 2020 2023 2017 100 200 300
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. Evidence for early life in Earth’s oldest hydrothermal vent precipitates
    2017 379 citations Matthew S. Dodd, Dominic Papineau 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
Tor Grenne Norway 18 669 527 485 262 201 34 1.3k
Jonathan OʼNeil Canada 20 1.3k 1.9× 384 0.7× 377 0.8× 378 1.4× 233 1.2× 41 1.9k
Johanna Marin‐Carbonne France 19 497 0.7× 568 1.1× 494 1.0× 169 0.6× 273 1.4× 56 1.2k
Diego M. Guido Argentina 21 588 0.9× 422 0.8× 241 0.5× 368 1.4× 344 1.7× 62 1.2k
L.L. Coetzee South Africa 8 482 0.7× 683 1.3× 514 1.1× 141 0.5× 259 1.3× 9 1.2k
N. J. Beukes South Africa 19 811 1.2× 841 1.6× 803 1.7× 296 1.1× 294 1.5× 29 1.5k
Peter Haines Australia 26 994 1.5× 656 1.2× 196 0.4× 280 1.1× 586 2.9× 68 1.7k
R. O. Rye United States 10 370 0.6× 457 0.9× 436 0.9× 98 0.4× 337 1.7× 17 1.0k
Wouter Nijman Netherlands 15 514 0.8× 385 0.7× 276 0.6× 87 0.3× 359 1.8× 25 938
Kenichiro Sugitani Japan 23 629 0.9× 917 1.7× 568 1.2× 158 0.6× 635 3.2× 74 1.6k
J. Grotzinger United States 8 440 0.7× 608 1.2× 240 0.5× 138 0.5× 413 2.1× 20 1.2k

Countries citing papers authored by Tor Grenne

Since Specialization
Citations

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

Fields of papers citing papers by Tor Grenne

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Tor Grenne. 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 Tor Grenne. The network helps show where Tor Grenne may publish in the future.

Co-authorship network of co-authors of Tor Grenne

This figure shows the co-authorship network connecting the top 25 collaborators of Tor Grenne. A scholar is included among the top collaborators of Tor Grenne 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 Tor Grenne. Tor Grenne 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
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Smelror, Morten, Tor Grenne, Deta Gasser, & Reidulv Bøe. (2022). Deep-water trace fossils in the Ilfjellet rift basin (Middle Ordovician), central Norwegian Caledonides. Palaeoworld. 32(1). 63–78. 4 indexed citations
3.
Little, Crispin T. S., Stefan Bengtson, Clara S. Chan, et al.. (2021). A late Paleoproterozoic (1.74 Ga) deep‐sea, low‐temperature, iron‐oxidizing microbial hydrothermal vent community from Arizona, USA. Geobiology. 19(3). 228–249. 24 indexed citations
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Gasser, Deta, et al.. (2020). Early–Middle Ordovician sedimentation and bimodal volcanism at the margin of Iapetus: the Trollhøtta–Kinna Basin of the central Norwegian Caledonides. Geological Society London Special Publications. 503(1). 251–277. 6 indexed citations
6.
Stokke, Ella W., et al.. (2018). Tectonic evolution of syn- to late-orogenic sedimentary–volcanic basins in the central Norwegian Caledonides. Journal of the Geological Society. 175(4). 605–618. 3 indexed citations
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Gasser, Deta, Tor Grenne, & Lars Eivind Augland. (2017). The enigmatic Gula Complex of the central Norwegian Caledonides: new constraints on age and origin from zircon dating and geochemistry. EGUGA. 4878. 2 indexed citations
9.
Grenne, Tor & Deta Gasser. (2017). The Støren Group greenstones and their relationship to the ophiolite fragments of the western Trondheim Nappe Complex, central Norwegian Caledonides. EGU General Assembly Conference Abstracts. 4901. 2 indexed citations
10.
Dodd, Matthew S., Dominic Papineau, Tor Grenne, et al.. (2017). Evidence for early life in Earth’s oldest hydrothermal vent precipitates. Nature. 543(7643). 60–64. 379 indexed citations breakdown →
11.
Engvik, Ane K., et al.. (2013). Metamorphic constraints on the Caledonian Upper Allochthon of Central Norway: the Gula Complex staurolite–garnet–kyanite mica schist. Geological Society London Special Publications. 390(1). 563–581. 7 indexed citations
12.
Slack, John F., Tor Grenne, & Andrey Bekker. (2009). Seafloor-hydrothermal Si-Fe-Mn exhalites in the Pecos greenstone belt, New Mexico, and the redox state of ca. 1720 Ma deep seawater. Geosphere. 5(3). 302–314. 75 indexed citations
13.
Grenne, Tor & John F. Slack. (2005). Geochemistry of Jasper Beds from the Ordovician Lokken Ophiolite, Norway: Origin of Proximal and Distal Siliceous Exhalites. Economic Geology. 100(8). 1511–1527. 43 indexed citations
14.
Grenne, Tor, et al.. (2003). Age and tectonic setting of the Nesåa Batholith: implications for Ordovician arc development in the Caledonides of Central Norway. Geological Magazine. 140(5). 573–594. 24 indexed citations
15.
Grenne, Tor & John F. Slack. (2003). Paleozoic and Mesozoic silica-rich seawater: Evidence from hematitic chert (jasper) deposits. Geology. 31(4). 319–319. 75 indexed citations
16.
Grenne, Tor, et al.. (2001). Juxtaposition of Neoproterozoic units along the Baruda–Tulu Dimtu shear-belt in the East African Orogen of western Ethiopia. Precambrian Research. 107(3-4). 215–234. 23 indexed citations
17.
Grenne, Tor & Frank M. Vokes. (1990). Sea-floor sulfides at the Hoydal volcanogenic deposit, central Norwegian Caledonides. Economic Geology. 85(2). 344–359. 22 indexed citations
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Grenne, Tor & David L. Roberts. (1980). Geochemistry and volcanic setting of the Ordovician Forbordfjell and Jonsvatn greenstones, Trondheim Region, central Norwegian Caledonides. Contributions to Mineralogy and Petrology. 74(4). 375–386. 10 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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