Publications
* denotes that first author is my student advisee
- *X.J. Zhang, R. Parai, J.C. Lassiter (2024). Primordial and recycled noble gases in the Cook-Austral HIMU mantle: Insights into the onset of volatile subduction. Earth Planet. Sci. Lett. 629, 118591. https://doi.org/10.1016/j.epsl.2024.118591
- R. Parai (2023). Primordial noble gas isotopes from immoderate crushing of an Icelandic basalt glass. Geochemical Perspectives Letters, 27, 32–37. https://doi.org/10.7185/geochemlet.2331
- D. Weis, K. Harpp, L. Harrison, M. Boyet, C. Chauvel, C. Farnetani, V. Finlayson, K. Lee, R. Parai, A. Shahar, N. Williamson (2023). Earth’s mantle composition revealed by mantle plumes. Nature Reviews Earth & Environment, 4, 604–625. https://doi.org/10.1038/s43017-023-00467-0
- *M.H. Barickman, S.J. Turner, J.B. Rodriguez, D.A. Fike, C.M. Jones, K. Wang, I.P. Savov, S. Agostini, M. J. Krawczynski, R. Parai (2023). Boron isotopes in Central American volcanics indicate a key role for the subducting oceanic crust. Earth Planet. Sci. Lett. 619, 118289. https://doi.org/10.1016/j.epsl.2023.118289
- *X.J. Zhang, G. Avice, R. Parai (2023). Noble gas insights into early impact delivery and volcanic outgassing to Earth’s atmosphere: a limited role for the continental crust. Earth Planet. Sci. Lett. 609, 118083. https://doi.org/10.1016/j.epsl.2023.118083
- S. Cottaar, C. Martin, Z. Li and R. Parai (2022). The root to the Galápagos mantle plume on the core-mantle boundary. Seismica 1 (1). https://doi.org/10.26443/seismica.v1i1.197
- G. Avice, R. Parai, S. Jacobson, J. Labidi, M.G. Trainer and M.P. Petkov (2022). Noble Gases and Stable Isotopes Track the Origin and Early Evolution of the Venus Atmosphere. Space Science Reviews 218, 60.
- R. Parai (2022). A dry ancient plume mantle from noble gas isotopes. Proceedings of the National Academy of Sciences 119 (29) e2201815119.
- R. Parai, S. Mukhopadhyay (2021). Heavy noble gas signatures of the North Atlantic Popping Rock 2ΠD43: Implications for mantle noble gas heterogeneity. Geochim. Cosmochim. Acta 294, 89-105.
- S.J. Lock, K.R. Bermingham, R. Parai and M. Boyet (2020). Geochemical constraints on the origin of the Moon and preservation of ancient terrestrial heterogeneities. Space Science Reviews (216) 109.
- R. Parai (2020). News & Views: Primordial nitrogen variations in the mantle. Nature 580, 324-325.
- R. Parai, S. Mukhopadhyay, J.M. Tucker, M.K. Peto (2019). Invited Review: The emerging portrait of an ancient, heterogeneous and continuously evolving mantle plume source. Lithos 346-347, 105153.
- S. Mukhopadhyay and R. Parai (2019). Noble gases: A record of Earth’s evolution and mantle dynamics. Ann. Rev. Earth Planet. Sci. (47) 389-419.
- R. Parai and S. Mukhopadhyay (2018). Xenon isotopic constraints on the history of volatile recycling into the mantle. Nature 560 (7717), 223-227.
See our blog entry for a description of what we did and what we found. - R. Parai and S. Mukhopadhyay (2015). The evolution of MORB and plume mantle volatile budgets: Constraints from fission Xe isotopes in Southwest Indian Ridge basalts. Geochem. Geophys. Geosys. 16, 719–735, https://doi.org/10.1002/2014GC005566.
- R. Parai and S. Mukhopadhyay (2012). How large is the subducted water flux? New constraints on mantle regassing rates. Earth Planet. Sci. Lett., 317-318, 396-406.
- R. Parai, S. Mukhopadhyay and J. J. Standish (2012). Heterogeneous upper mantle Ne, Ar and Xe isotopic compositions and a possible Dupal noble gas signature recorded in basalts from the Southwest Indian Ridge. Earth Planet. Sci. Lett., 359-360, 227-239.
- R. Parai, S. Mukhopadhyay, J.C. Lassiter (2009). New constraints on the HIMU mantle from neon and helium isotopic compositions of basalts from the Cook-Austral Islands. Earth Planet. Sci. Lett., 277, 253-261.
- S.P. Patel, R. Parai, R. Parai, D.L. Campbell (2004). Regulation of Kv4.3 voltage-dependent gating kinetics by KChIP2 isoforms. J. Physiol., 557, 19-41.