Theodore R. Them

1.8k total citations · 1 hit paper
28 papers, 1.4k citations indexed

About

Theodore R. Them is a scholar working on Paleontology, Geochemistry and Petrology and Atmospheric Science. According to data from OpenAlex, Theodore R. Them has authored 28 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Paleontology, 12 papers in Geochemistry and Petrology and 11 papers in Atmospheric Science. Recurrent topics in Theodore R. Them's work include Paleontology and Stratigraphy of Fossils (16 papers), Geochemistry and Elemental Analysis (12 papers) and Geology and Paleoclimatology Research (11 papers). Theodore R. Them is often cited by papers focused on Paleontology and Stratigraphy of Fossils (16 papers), Geochemistry and Elemental Analysis (12 papers) and Geology and Paleoclimatology Research (11 papers). Theodore R. Them collaborates with scholars based in United States, China and United Kingdom. Theodore R. Them's co-authors include Benjamin C. Gill, Runsheng Yin, Stephen E. Grasby, Darren R. Gröcke, Jeremy D. Owens, Omid H. Ardakani, Zhuoheng Chen, Andrew H. Caruthers, Rowan C. Martindale and Richard M. Friedman and has published in prestigious journals such as Proceedings of the National Academy of Sciences, SHILAP Revista de lepidopterología and Scientific Reports.

In The Last Decade

Theodore R. Them

27 papers receiving 1.4k citations

Hit Papers

align trajectories

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.

Mercury as a proxy for volcanic emissions in the geologic record

2019 306 citations Stephen E. Grasby, Theodore R. Them et al. profile →

Peers

Theodore R. Them

PALEO

GEOPH

HTM

Lawrence Percival United Kingdom

Geoffrey J. Gilleaudeau United States

Gareth Izon United States

Martin Wille Germany

Jiangsi Liu China

Michaël Hermoso United Kingdom

Bleuenn Guéguen France

Michał Rakociński Poland

Shane D. Schoepfer United States

Peter W. Crockford United States

Lawrence Percival United Kingdom

Theodore R. Them

1.0k ×1.1

PALEO

579 ×0.9

571 ×1.1

607 ×1.2

GEOPH

272 ×0.9

HTM

Citations per year, relative to Theodore R. Them Theodore R. Them (= 1×) peers Lawrence Percival

Countries citing papers authored by Theodore R. Them

Since Specialization

Citations

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

Fields of papers citing papers by Theodore R. Them

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Theodore R. Them. 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 Theodore R. Them. The network helps show where Theodore R. Them may publish in the future.

Co-authorship network of co-authors of Theodore R. Them

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

All Works

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20 of 20 papers shown

Young, Seth A., et al.. (2025). Balancing Redox Budgets: Mechanisms for Prolonging Anoxia During Major Carbon Burial Events. American Journal of Science. 325.

Frieling, Joost, Tamsin A. Mather, Jack H. Lacey, et al.. (2024). Mercury records covering the past 90 000 years from lakes Prespa and Ohrid, SE Europe. Biogeosciences. 21(2). 531–556. 1 indexed citations

Them, Theodore R., et al.. (2024). Organic-rich Shales Reveal Local Controls That Enhanced Mercury Accumulation During a non-LIP Interval of the Miocene: Implications for the Mercury Paleoproxy. American Journal of Science. 324. 1 indexed citations

Yuan, Wei, Mu Liu, Daizhao Chen, et al.. (2023). Mercury isotopes show vascular plants had colonized land extensively by the early Silurian. Science Advances. 9(17). eade9510–eade9510. 15 indexed citations

Them, Theodore R., et al.. (2022). Reduced Marine Molybdenum Inventory Related to Enhanced Organic Carbon Burial and an Expansion of Reducing Environments in the Toarcian (Early Jurassic) Oceans. SHILAP Revista de lepidopterología. 3(6). 7 indexed citations

Young, Seth A., Mu Liu, Daizhao Chen, et al.. (2022). Rapid marine oxygen variability: Driver of the Late Ordovician mass extinction. Science Advances. 8(46). eabn8345–eabn8345. 26 indexed citations

Liu, Wei, Mu Liu, T. Yang, et al.. (2022). Organic matter accumulations in the Santonian-Campanian (Upper Cretaceous) lacustrine Nenjiang shale (K2n) in the Songliao Basin, NE China: Terrestrial responses to OAE3?. International Journal of Coal Geology. 260. 104069–104069. 23 indexed citations

Caruthers, Andrew H., Martin Aberhan, Martyn L. Golding, et al.. (2022). The glass ramp of Wrangellia: Late Triassic to Early Jurassic outer ramp environments of the McCarthy Formation, Alaska, U.S.A.. Journal of Sedimentary Research. 92(10). 896–919. 3 indexed citations

Caruthers, Andrew H., Darren R. Gröcke, Martyn L. Golding, et al.. (2021). New evidence for a long Rhaetian from a Panthalassan succession (Wrangell Mountains, Alaska) and regional differences in carbon cycle perturbations at the Triassic-Jurassic transition. Earth and Planetary Science Letters. 577. 117262–117262. 14 indexed citations

10.

Them, Theodore R., Dimitri Kaljo, Mats E. Eriksson, et al.. (2021). A multi-proxy approach to constrain reducing conditions in the Baltic Basin during the late Silurian Lau carbon isotope excursion. Palaeogeography Palaeoclimatology Palaeoecology. 581. 110624–110624. 11 indexed citations

11.

Liu, Mu, Guoqing Xia, Haisheng Yi, et al.. (2021). Variations in microbial ecology during the Toarcian Oceanic Anoxic Event (Early Jurassic) in the Qiangtang Basin, Tibet: Evidence from biomarker and carbon isotopes. Palaeogeography Palaeoclimatology Palaeoecology. 580. 110626–110626. 18 indexed citations

12.

Liu, Mu, et al.. (2020). Organic geochemistry of a lacustrine shale across the Toarcian Oceanic Anoxic Event (Early Jurassic) from NE China. Global and Planetary Change. 191. 103214–103214. 35 indexed citations

13.

Moore, Christopher R., Mark J. Brooks, Albert C. Goodyear, et al.. (2019). Sediment Cores from White Pond, South Carolina, contain a Platinum Anomaly, Pyrogenic Carbon Peak, and Coprophilous Spore Decline at 12.8 ka. Scientific Reports. 9(1). 15121–15121. 21 indexed citations

14.

Liu, Mu, Daizhao Chen, Xiqiang Zhou, et al.. (2019). Upper Ordovician marine red limestones, Tarim Basin, NW China: A product of an oxygenated deep ocean and changing climate?. Global and Planetary Change. 183. 103032–103032. 21 indexed citations

15.

Grasby, Stephen E., et al.. (2019). MERCURY AS A PROXY FOR VOLCANIC EMISSIONS IN THE GEOLOGIC RECORD. Abstracts with programs - Geological Society of America. 4 indexed citations

16.

Soreghan, Gerilyn S., et al.. (2018). ATMOSPHERIC DUST STIMULATED MARINE PRIMARY PRODUCTIVITY DURING EARTH’S PENULTIMATE ICEHOUSE. Abstracts with programs - Geological Society of America. 3 indexed citations

17.

Them, Theodore R., Benjamin C. Gill, Andrew H. Caruthers, et al.. (2018). Thallium isotopes reveal protracted anoxia during the Toarcian (Early Jurassic) associated with volcanism, carbon burial, and mass extinction. Proceedings of the National Academy of Sciences. 115(26). 6596–6601. 136 indexed citations

18.

Them, Theodore R., Charles H. Jagoe, Andrew H. Caruthers, et al.. (2018). Terrestrial sources as the primary delivery mechanism of mercury to the oceans across the Toarcian Oceanic Anoxic Event (Early Jurassic). Earth and Planetary Science Letters. 507. 62–72. 167 indexed citations

19.

Them, Theodore R., Benjamin C. Gill, David Selby, et al.. (2017). Evidence for rapid weathering response to climatic warming during the Toarcian Oceanic Anoxic Event. Scientific Reports. 7(1). 5003–5003. 132 indexed citations

20.

Martindale, Rowan C., et al.. (2017). A new Early Jurassic (ca. 183 Ma) fossil Lagerstätte from Ya Ha Tinda, Alberta, Canada. Geology. 45(3). 255–258. 28 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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