World's Best Scientists 2026 revealed!
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Earth Science
South Africa
2026

D-Index & Metrics

Earth Science

D-Index
69
Citations
29378
World Ranking
1021
National Ranking
4

Research.com Recognitions

  • 2026 - Research.com Earth Science in South Africa Leader Award
  • 2025 - Research.com Earth Science in South Africa Leader Award
  • 2022 - Research.com Earth Science in South Africa Leader Award
  • 2021 - Geochemistry Fellow Honor, Geochemical Society and the European Association of Geochemistry
  • 1998 - Royal Netherlands Academy of Arts and Sciences

Overview

Jan Kramers is affiliated with the University of Johannesburg in South Africa. Their research is mainly situated within the domain of Earth and Planetary Sciences, with significant contributions in geophysics, paleontology, artificial intelligence applications in geosciences, earth-surface processes, and anthropology.

The scientist's work encompasses several topics closely related to geological and geochemical analysis, including geochemistry and geologic mapping, geological formations and processes, and studies of Pleistocene-era hominins and archaeology. Their research also includes high-pressure geophysics and materials, geology and paleoclimatology research, and paleontology and stratigraphy of fossils.

Jan Kramers has published research in a number of venues, frequently contributing to:

  • Chemical Geology
  • Journal of African Earth Sciences
  • South African Journal of Geology
  • Goldschmidt2022 abstracts
  • Publications (Konstfack University of Arts, Crafts, and Design)

Selected recent papers authored by Jan Kramers include:

  • Providing context to the Homo naledi fossils: Constraints from flowstones on the age of sediment deposits in Rising Star Cave, South Africa, 2021, Chemical Geology
  • Expanded Explorations of the Dinaledi Subsystem, Rising Star Cave System, South Africa, 2021, Publications (Konstfack University of Arts, Crafts, and Design)
  • Geology, zircon U-Pb dating and εHf data for the Julie greenstone belt and associated rocks in NW Ghana: Implications for Birimian-to-Tarkwaian correlation and crustal evolution, 2021, Journal of African Earth Sciences
  • Age constraints of the Sturtian glaciation on western Baltica based on U-Pb and Ar-Ar dating of the Lapichi Svita, 2022, Precambrian Research
  • Petrogenesis of potassic granite suites along the southern margin of the Zimbabwe Craton, 2023, South African Journal of Geology

The scientist has collaborated frequently with other researchers, including:

  • Tebogo V. Makhubela
  • Axel Hofmann
  • G.A. Belyanin
  • Paul H.G.M. Dirks
  • Eric M. Roberts

Jan Kramers has been recognized in the scientific community through awards such as the Geochemistry Fellow Honor from the Geochemical Society and the European Association of Geochemistry in 2021 and membership in the Royal Netherlands Academy of Arts and Sciences since 1998.

Best Publications

  • Approximation of terrestrial lead isotope evolution by a two-stage model

    J.S. Stacey;J.D. Kramers

  • Holocene forcing of the Indian monsoon recorded in a stalagmite from southern Oman.

    Dominik Fleitmann;Stephen J. Burns;Manfred Mudelsee;Ulrich Neff

  • Holocene ITCZ and Indian monsoon dynamics recorded in stalagmites from Oman and Yemen (Socotra)

    Dominik Fleitmann;Stephen J. Burns;Augusto Mangini;Manfred Mudelsee

  • History of Atmospheric Lead Deposition Since 12,370 14C yr BP from a Peat Bog, Jura Mountains, Switzerland

    W. Shotyk;D. Weiss;P. G. Appleby;A. K. Cheburkin

  • Molybdenum isotope records as a potential new proxy for paleoceanography

    Christopher Siebert;Thomas Nägler;Friedhelm von Blanckenburg;Jan Dirk Kramers

  • Timing and climatic impact of Greenland interstadials recorded in stalagmites from northern Turkey

    D. Fleitmann;D. Fleitmann;H. Cheng;S. Badertscher;S. Badertscher;R. L. Edwards

  • Determination of molybdenum isotope fractionation by double‐spike multicollector inductively coupled plasma mass spectrometry

    Christopher Siebert;Thomas F. Nägler;Jan D. Kramers

  • Two terrestrial lead isotope paradoxes, forward transport modelling, core formation and the history of the continental crust

    Jan Dirk Kramers;Igor Tolstikhin;Igor Tolstikhin

  • Geochemistry of the peat bog at Etang de la Gruère, Jura Mountains, Switzerland, and its record of atmospheric Pb and lithogenic trace metals (Sc, Ti, Y, Zr, and REE) since 12,370 14 C yr BP

    W. Shotyk;D. Weiss;J.D. Kramers;R. Frei

  • Two thousand years of atmospheric arsenic, antimony, and lead deposition recorded in an ombrotrophic peat bog profile, Jura Mountains, Switzerland

    William Shotyk;Andrij K. Cheburkin;Peter G. Appleby;Andreas Fankhauser

  • Indian Ocean Climate and an Absolute Chronology over Dansgaard/Oeschger Events 9 to 13

    Stephen J. Burns;Dominik Fleitmann;Albert Matter;Jan Kramers

  • The age of Homo naledi and associated sediments in the Rising Star Cave, South Africa

    P.H.G.M. Dirks;P.H.G.M. Dirks;Eric M. Roberts;Eric M. Roberts;Hannah Louise Hilbert-Wolf;Jan Dirk Kramers

  • Atmospheric Pb Deposition since the Industrial Revolution Recorded by Five Swiss Peat Profiles: Enrichment Factors, Fluxes, Isotopic Composition, and Sources

    Dominik Weiss;William Shotyk;Peter G. Appleby;Jan Dirk Kramers

  • Evidence for a gradual rise of oxygen between 2.6 and 2.5 Ga from Mo isotopes and Re-PGE signatures in shales

    Martin Wille;Jan Kramers;Thomas Nägler;N.J. Beukes

  • Hydrogen sulphide release to surface waters at the Precambrian/Cambrian boundary

    Martin Wille;Thomas F. Nägler;Bernd Lehmann;Stefan Schröder

  • Climate on the Southern Black Sea coast during the Holocene: implications from the Sofular Cave record

    O.M. Göktürk;O.M. Göktürk;D. Fleitmann;D. Fleitmann;S. Badertscher;S. Badertscher;H. Cheng;H. Cheng

  • Lead, uranium, strontium, potassium and rubidium in inclusion-bearing diamonds and mantle-derived xenoliths from Southern Africa

    J.D. Kramers

  • Geological Setting and Age of Australopithecus sediba from Southern Africa

    Paul H. G. M. Dirks;Paul H. G. M. Dirks;Job M. Kibii;Brian F. Kuhn;Christine Steininger

  • A high-resolution, absolute-dated deglacial speleothem record of Indian Ocean climate from Socotra Island, Yemen

    Jeremy D. Shakun;Stephen J. Burns;Dominik Fleitmann;Jan Kramers

  • Evidence for a widespread climatic anomaly at around 9.2 ka before present

    Dominik Fleitmann;Dominik Fleitmann;Manfred Mudelsee;Stephen J. Burns;Raymond S. Bradley

  • Unraveling the record of successive high grade events in the Central Zone of the Limpopo Belt using Pb single phase dating of metamorphic minerals

    L. Holzer;R. Frei;J.M. Barton;J.D. Kramers

Frequent Co-Authors

Thomas F. Nägler
Thomas F. Nägler University of Bern
Paul H.G.M. Dirks
Paul H.G.M. Dirks James Cook University
Robert Frei
Robert Frei University of Copenhagen
Eric M. Roberts
Eric M. Roberts James Cook University
Balz S. Kamber
Balz S. Kamber Queensland University of Technology
Dominik Fleitmann
Dominik Fleitmann University of Basel
Lee R. Berger
Lee R. Berger James Cook University
Igor M. Villa
Igor M. Villa University of Milano-Bicocca
Albert Matter
Albert Matter University of Bern
Stephen J. Burns
Stephen J. Burns University of Massachusetts Amherst

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