2026 John W. Valley: Earth Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Earth Science	110	72	59	34	28	682	47697

Research.com Recognitions

2026 - Research.com Earth Science in United States Leader Award
2025 - Research.com Earth Science in United States Leader Award
2019 - Arthur L. Day Medal, The Geological Society of America
2019 - Member of the National Academy of Sciences
2016 - Fellow of the American Association for the Advancement of Science (AAAS)
2011 - Geochemistry Fellow Honor, Geochemical Society and the European Association of Geochemistry
2007 - Fellow of American Geophysical Union (AGU)
Fellow of the Geological Society of America
Fellow of the Geological Society of America

Overview

John W. Valley is affiliated with the University of Wisconsin-Madison in the United States and has an extensive research portfolio primarily in Earth and Planetary Sciences. Their work is focused on several subfields, including Geophysics, Paleontology, Atmospheric Science, Artificial Intelligence, and Ecology.

The main topics covered by their research include:

Geological and Geochemical Analysis
Earthquake and Tectonic Studies
Paleontology and Stratigraphy of Fossils
Geology and Paleoclimatology Research
High-pressure Geophysics and Materials
Geochemistry and Geologic Mapping
Isotope Analysis in Ecology

John W. Valley has published numerous papers across several established venues. The most frequent publication outlets include:

Abstracts with programs - Geological Society of America
American Mineralogist
Journal of Petrology
Geochimica et Cosmochimica Acta
Chemical Geology

The following is a selection of recent papers authored or coauthored by Valley, demonstrating the range and focus of their research:

"Destabilization of Long-Lived Hadean Protocrust and the Onset of Pervasive Hydrous Melting at 3.8 Ga," 2022, AGU Advances
"Large isotopic variability at the micron-scale in 'Shuram' excursion carbonates from South Australia," 2020, Earth and Planetary Science Letters
"Deposition or diagenesis? Probing the Ediacaran Shuram excursion in South China by SIMS," 2021, Global and Planetary Change
"Bulk and grain-scale minor sulfur isotope data reveal complexities in the dynamics of Earth's oxygenation," 2022, Proceedings of the National Academy of Sciences
"Garnet secondary ion mass spectrometry oxygen isotopes reveal crucial roles of pulsed magmatic fluid and its mixing with meteoric water in lode gold genesis," 2022, Proceedings of the National Academy of Sciences

Frequent coauthors associated with Valley include:

Kouki Kitajima
Ian J. Orland
Michael J. Spicuzza
Tyler B. Blum
John Fournelle

Valley's work has been recognized through various awards and honors, including:

Arthur L. Day Medal from The Geological Society of America (2019)
Member of the National Academy of Sciences (2019)
Fellow of the American Association for the Advancement of Science (AAAS) (2016)
Geochemistry Fellow Honor from the Geochemical Society and the European Association of Geochemistry (2011)
Fellow of American Geophysical Union (AGU) (2007)
Fellow of the Geological Society of America

Best Publications

Improved 206Pb/238U microprobe geochronology by the monitoring of a trace-element-related matrix effect; SHRIMP, ID-TIMS, ELA-ICP-MS and oxygen isotope documentation for a series of zircon standards

Lance P. Black;Lance P. Black;Sandra L. Kamo;Charlotte M. Allen;Donald W. Davis

2486
Citations
Evidence from detrital zircons for the existence of continental crust and oceans on the Earth 4.4 Gyr ago.

Simon A. Wilde;John W. Valley;William H. Peck;William H. Peck;Colin M. Graham

2020
Citations
Further characterisation of the 91500 zircon crystal

Michael Wiedenbeck;John M. Hanchar;William H. Peck;Paul Sylvester

1626
Citations
4.4 billion years of crustal maturation: oxygen isotope ratios of magmatic zircon

J. W. Valley;J. S. Lackey;J. S. Lackey;A. J. Cavosie;A. J. Cavosie;C. C. Clechenko

1254
Citations
Stable isotopes in high temperature geological processes

John W. Valley;Hugh P. Taylor;James R. O'Neil

1200
Citations
Zircon megacrysts from kimberlite: oxygen isotope variability among mantle melts

John W. Valley;Peter D. Kinny;Daniel J. Schulze;Michael J. Spicuzza

1024
Citations
Oxygen Isotopes in Zircon

John W. Valley

1009
Citations
Zircon M257 ‐ a Homogeneous Natural Reference Material for the Ion Microprobe U‐Pb Analysis of Zircon

Lutz Nasdala;Wolfgang Hofmeister;Nicholas Norberg;James M. Martinson

929
Citations
UWG-2, a garnet standard for oxygen isotope ratios: Strategies for high precision and accuracy with laser heating

John W. Valley;Nami Kitchen;Matthew J. Kohn;Christopher R. Niendorf

820
Citations
Stable Isotope Geochemistry

John W. Valley;David R. Cole

789
Citations
Stable isotope geochemistry of metamorphic rocks

John W. Valley

742
Citations
Herbivore tooth oxygen isotope compositions: Effects of diet and physiology

Matthew J. Kohn;Margaret J. Schoeninger;John W. Valley

532
Citations
A cool early Earth

John W. Valley;William H. Peck;Elizabeth M. King;Simon A. Wilde

530
Citations
High precision SIMS oxygen isotope analysis and the effect of sample topography

Noriko T. Kita;Takayuki Ushikubo;Bin Fu;John W. Valley

522
Citations
Ti-in-zircon thermometry: applications and limitations

Bin Fu;Bin Fu;F. Zeb Page;F. Zeb Page;Aaron J. Cavosie;John Fournelle

509
Citations
Hadean age for a post-magma-ocean zircon confirmed by atom-probe tomography

John W. Valley;Aaron J. Cavosie;Aaron J. Cavosie;Takayuki Ushikubo;David A. Reinhard

489
Citations
Estimating groundwater exchange with lakes: 1. The stable isotope mass balance method

David P. Krabbenhoft;Carl J. Bowser;Mary P. Anderson;John W. Valley

438
Citations
Oxygen isotope geochemistry of zircon

John W. Valley;Jeffrey R. Chiarenzelli;James M. McLelland

423
Citations
Magmatic δ18O in 4400–3900 Ma detrital zircons: A record of the alteration and recycling of crust in the Early Archean

A. J. Cavosie;J. W. Valley;S. A. Wilde

414
Citations
The petrologic case for a dry lower crust

Bruce W. D. Yardley;John W. Valley

392
Citations
Book Review: The nature of the lower continental crust. edited by J. B. Dawson, D. A. Carswell, J. Hall and K. H. Wedepohl, Geological Society Special Publication No. 24, Blackwell Scientific Publications, Oxford, 1986, 394p., $78.00 (ISBN 0-632-01561-6)

John W. Valley

6
Citations

Frequent Co-Authors

Noriko T. Kita University of Wisconsin–Madison

Michael J. Spicuzza University of Wisconsin–Madison

Kouki Kitajima University of Wisconsin–Madison

Takayuki Ushikubo Japan Agency for Marine-Earth Science and Technology

Reinhard Kozdon Columbia University

Aaron J. Cavosie Curtin University

John M. Eiler California Institute of Technology

Simon A. Wilde Curtin University

Colin M. Graham University of Edinburgh

Kenneth H. Williford Blue Marble Space Institute of Science

External Links

Personal website of John W. Valley

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