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Dr. Zachary John Sudholz
Fellow

Dr. Zachary John Sudholz

Bye Fellow; Post-doctoral research associate, Department of Earth Sciences

Contact
zs441@cam.ac.uk⁠
Website
Social media

Biography

Zachary is a postdoctoral research associate at the Department of Earth Sciences, the University of Cambridge () and a bye fellow at 鶹Ƶ, Cambridge. Prior to joining the University of Cambridge, Zachary held a postdoctoral research fellowship at the Research School of Earth Sciences, the Australian National University. Zachary was awarded his PhD in experimental petrology from the Australian National University in 2022.

Zachary’s research focuses on high-temperature geochemistry and petrology of Earth’s lithosphere. Zachary is particularly interested in understanding spatial and temporal variations in the composition, temperature and structure of the lithospheric mantle beneath cratons, and high-temperature processes within the lower crust of mountain belts. Zachary’s research uses experimental and microanalytical techniques, field work, and thermodynamic modelling.    

Degrees

PhD - Australian National University

BSc (Hons) - University of Western Australia

BSc - Monash University

Specific Research interests

Formation and evolution of the cratonic lithospheric mantle

Geothermo-oxybarometry and microanalysis of mantle xenoliths

Lower crustal melting and the petrogenesis of granites

 

Authored work

  • Sudholz, Z. J., Priestley, K., & Copley, A. (2025). Long-term evolution, stability, and thickness of cratonic lithosphere. Geology. 10.1130/G53481.1 

     

    Sudholz, Z. J., Zhang, P., Eakin, C. M., Yaxley, G. M., Jaques, A. L., Frigo, C., & Czarnota, K. (2024). Ancient craton‐wide mid‐lithosphere discontinuity controlled by pargasite channels. Geophysical Research Letters, 51(9), e2024GL108433.

     

    Sudholz, Z. J., Jaques, A. L., Yaxley, G. M., Taylor, W. R., Czarnota, K., Haynes, M. W., ... & Cooper, S. A. (2023). Mapping the structure and metasomatic enrichment of the lithospheric mantle beneath the Kimberley Craton, Western Australia. Geochemistry, Geophysics, Geosystems, 24(9), e2023GC011040.

     

    Sudholz, Z. J., Green, D. H., Yaxley, G. M., & Jaques, A. L. (2022). Mantle geothermometry: experimental evaluation and recalibration of Fe–Mg geothermometers for garnet-clinopyroxene and garnet-orthopyroxene in peridotite, pyroxenite and eclogite systems. Contributions to Mineralogy and Petrology, 177(8), 77.

     

    Sudholz, Z. J., Yaxley, G. M., Jaques, A. L., & Brey, G. P. (2021). Experimental recalibration of the Cr-in-clinopyroxene geobarometer: improved precision and reliability above 4.5 GPa. Contributions to Mineralogy and Petrology, 176(2), 11.

     

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Subject
Natural Sciences