World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
43
Citations
7598
World Ranking
4924
National Ranking
232

Overview

Thomas Chacko is affiliated with the University of Alberta in Canada and has contributed extensively to the field of Earth and Planetary Sciences, with a focus on Geophysics, Artificial Intelligence, Paleontology, Astronomy and Astrophysics, and Atmospheric Science. Their research portfolio includes 41 publications in these areas, emphasizing geological and geochemical analysis, earthquake and tectonic studies, high-pressure geophysics and materials, and geochemistry.

The major topics covered in Thomas Chacko's work include:

  • Geological and Geochemical Analysis
  • Earthquake and Tectonic Studies
  • High-Pressure Geophysics and Materials
  • Geochemistry and Geologic Mapping
  • Paleontology and Stratigraphy of Fossils
  • Geology and Paleoclimatology Research
  • Geochemistry and Elemental Analysis

Thomas Chacko's recent publications include:

  • Deep continental roots and cratons, 2021, Nature
  • Hafnium isotopes in zircons document the gradual onset of mobile-lid tectonics, 2020, Geochemical Perspectives Letters
  • Carbon and Nitrogen in Mantle-Derived Diamonds, 2022, Reviews in Mineralogy and Geochemistry
  • Re-Os systematics and chronology of graphite, 2022, Geochimica et Cosmochimica Acta
  • Quantifying the effect of late bombardment on terrestrial zircons, 2023, Earth and Planetary Science Letters

The frequent co-authors of Thomas Chacko are:

  • D. Graham Pearson
  • Jesse Reimink
  • Robert A. Creaser
  • Larry M. Heaman
  • Edith Martel

Significant publication venues for their work include:

  • Geochimica et Cosmochimica Acta
  • Goldschmidt2022 abstracts
  • Nature
  • Geochemical Perspectives Letters
  • Reviews in Mineralogy and Geochemistry

In addition to journal articles, Thomas Chacko has contributed to academic literature through book publications. Notably, they have published with Bloomsbury Publishing plc, with a title titled Tax Litigation Handbook released in 2024.

Best Publications

  • Oxygen isotope fractionations involving diopside, forsterite, magnetite, and calcite: Application to geothermometry

    Hitoshi Chiba;Thomas Chacko;Robert N Clayton;Julian R Goldsmith

  • Equilibrium Oxygen, Hydrogen and Carbon Isotope Fractionation Factors Applicable to Geologic Systems

    Thomas Chacko;David R. Cole;Juske Horita

  • The Granulite Uncertainty Principle: Limitations on Thermobarometry in Granulites

    B. Ronald Frost;Thomas Chacko

  • Oxygen and carbon isotope fractionations between CO2 and calcite

    Thomas Chacko;Toshiko K Mayeda;Robert N Clayton;Julian R Goldsmith

  • Temperatures of Granulite-facies Metamorphism: Constraints from Experimental Phase Equilibria and Thermobarometry Corrected for Retrograde Exchange

    David R. M. Pattison;Thomas Chacko;James Farquhar;Christopher R. M. McFARLANE

  • 1891–1883 Ma Southern Bastar–Cuddapah mafic igneous events, India: A newly recognized large igneous province

    Jason E. French;Larry M. Heaman;Thomas Chacko;Rajesh K. Srivastava

  • Metamorphic P-T Conditions of the Kerala (South India) Khondalite Belt, a Granulite Facies Supracrustal Terrain

    Thomas Chacko;G. R. Ravindra Kumar;Robert C. Newton

  • Earth’s earliest evolved crust generated in an Iceland-like setting

    Jesse R. Reimink;Thomas Chacko;Richard A. Stern;Larry M. Heaman

  • In situ petrographic thin section U-Pb dating of zircon, monazite, and titanite using laser ablation-MC-ICP-MS

    Antonio Simonetti;Larry M. Heaman;Thomas Chacko;Neil R. Banerjee;Neil R. Banerjee

  • Deep continental roots and cratons

    D. Graham Pearson;James M. Scott;Jingao Liu;Andrew Schaeffer

  • Further evaluation of the Re-Os geochronometer in organic-rich sedimentary rocks: A test of hydrocarbon maturation effects in the Exshaw Formation, Western Canada Sedimentary Basin

    Robert A Creaser;Poulomi Sannigrahi;Thomas Chacko;David Selby

  • Theoretical calculation of oxygen isotope fractionation factors in carbonate systems

    Thomas Chacko;Peter Deines

  • Role of oceanic plateaus in the initiation of subduction and origin of continental crust

    Rajeev Nair;Thomas Chacko

  • Oxygen isotope fractionations in muscovite, phlogopite, and rutile

    Thomas Chacko;Xiangsheng Hu;Toshiko K. Mayeda;Robert N. Clayton

  • Circa 2.3‐Ga Magmatism of the Arrowsmith Orogeny, Uranium City Region, Western Churchill Craton, Canada

    R. P. Hartlaub;L. M. Heaman;T. Chacko;K. E. Ashton

  • Multi-Stage Modification of the Northern Slave Mantle Lithosphere: Evidence from Zircon- and Diamond-Bearing Eclogite Xenoliths Entrained in Jericho Kimberlite, Canada

    Larry M. Heaman;Robert A. Creaser;Harrison O. Cookenboo;Tom Chacko

  • Geochemistry of high-grade supracrustal rocks from the Kerala Khondalite Belt and adjacent massif charnockites, South India

    Thomas Chacko;G.R. Ravindra Kumar;James K. Meen;John J.W. Rogers

  • Diamond growth from oxidized carbon sources beneath the Northern Slave Craton, Canada: A δ13C–N study of eclogite-hosted diamonds from the Jericho kimberlite

    Katie A. Smart;Thomas Chacko;Thomas Stachel;Karlis Muehlenbachs

  • No evidence for Hadean continental crust within Earth’s oldest evolved rock unit

    J. R. Reimink;J. R. Reimink;Joshua Davies;T. Chacko;R. A. Stern

  • Constraints on Rates of Granitic Magma Transport from Epidote Dissolution Kinetics

    Alan D. Brandon;Robert A. Creaser;Thomas Chacko

  • Tectonic setting of the Taltson magmatic zone at 1.92.0 Ga: a granitoid-based perspective

    Thomas Chacko;Suman K. De;Robert A. Creaser;Karlis Muehlenbachs

Frequent Co-Authors

Larry M. Heaman
Larry M. Heaman University of Alberta
Robert A. Creaser
Robert A. Creaser University of Alberta
Richard A. Stern
Richard A. Stern University of Alberta
Antonio Simonetti
Antonio Simonetti University of Notre Dame
Thomas Stachel
Thomas Stachel University of Alberta
Karlis Muehlenbachs
Karlis Muehlenbachs University of Alberta
Steven B. Shirey
Steven B. Shirey Carnegie Institution for Science
Sonja Aulbach
Sonja Aulbach Goethe University Frankfurt
Julian R. Goldsmith
Julian R. Goldsmith University of Chicago
Robert N. Clayton
Robert N. Clayton University of Chicago

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