
The Planetary Geochemistry Group
CosmoGeo Lab
Publications
20. Grewal, D.S., Bhattacharjee, S., Zhang, B., Nie, N.X., Miyazaki, Y. (2025) Enrichment of moderately volatile elements in first-generation planetesimals of the inner solar system. Science Advances 11: 6 doi: 10.1126/sciadv.adq7848
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19. Grewal, D.S., Manilal, V. (2025). Implications of differentiated late accretion for the volatile inventory in the bulk silicate Earth. The Planetary Science Journal 6 13 doi: 10.3847/PSJ/ad9606
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18. Grewal, D.S., Bhattacharjee, S., Mardaru, G.-D., Asimow, P.D. (2025). Tracing the origin of volatiles on Earth using nitrogen isotope ratios in iron meteorites. Geochimica et Cosmochimica Acta 388: 34-47 doi: 10.1016/j.gca.2024.11.011
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17. Tsuno K., Grewal, D.S., Xu, V., Leinbach, L., Leinenweber, K., Wittmann, A., Shim, S.-H. (2024). The effect of nitrogen on the dihedral angle between Fe-Ni melt and ringwoodite: Implications for the nitrogen deficit in the bulk silicate Earth. Geophysical Research Letters 51: 8 e2024GL109584 doi: 10.1029/2024GL109584
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16. Grewal, D.S., Miyazaki, Y., Nie, N.X. (2024). Contribution of the Moon-forming impactor to the volatile inventory in the bulk silicate Earth. The Planetary Science Journal 5 181 doi: 10.3847/PSJ/ad5b5d
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15. Grewal, D.S., Nie, N.X., Zhang, B., Izidoro, A., Asimow, P.D. (2024). Accretion of the earliest inner solar system planetesimals beyond the water snowline. Nature Astronomy 8: 290-297 doi: 10.1038/s41550-023-02172-w
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14. Suer, T.-A., Jackson, C., Grewal, D.S., Dalou, C., Lichtenberg. T. (2023). The Distribution of Highly Volatile Elements During Rocky Planet Formation. Frontiers in Earth Science 11 doi: 10.3389/feart.2023.1159412
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13. Grewal, D.S., Asimow, P.D. (2023). Origin of the superchondritic carbon/nitrogen ratio of the bulk silicate Earth - an outlook from iron meteorites. Geochimica et Cosmochimica Acta 344: 146-159. doi: 10.1016/j.gca.2023.01.012
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12. Grewal, D.S., Sun, T., Aithala, S., Hough T., Dasgupta, R., Yeung, L., Schauble, E. (2022). Limited nitrogen isotope fractionation during core-mantle differentiation in rocky protoplanets and planets. Geochimica et Cosmochimica Acta 338: 347-364. doi: 10.1016/j.gca.2022.10.025
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11. Grewal, D.S., Seales, J., Dasgupta, R. (2022). Internal or external magma oceans in the earliest protoplanets – perspectives from nitrogen and carbon fractionation. Earth and Planetary Science Letters 598: 117847. doi: 10.1016/j.epsl.2022.117847
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10. Grewal, D.S. (2022) Origin of nitrogen isotopic variations in the rocky bodies of the Solar System. The Astrophysical Journal 937: 123. doi: 10.3847/1538-4357/ac8eb4
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9. Grewal, D.S., Dasgupta, R., Aithala, S. (2021). The effect of carbon concentration on its core-mantle partitioning behavior in inner Solar System rocky bodies. Earth and Planetary Science Letters 571: 117090. doi: 10.1016/j.epsl.2021.117090
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8. Grewal, D.S., Dasgupta, R, Hough T., Farnell, A. (2021). Rates of protoplanetary accretion and differentiation set nitrogen budget of rocky planets. Nature Geoscience 14: 69-376. doi: 10.1038/s41561-021-00733-0
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7. Grewal, D.S., Dasgupta, R., Marty, B. (2021). A very early origin of nitrogen in inner Solar System protoplanets. Nature Astronomy 5: 356-364. doi: 10.1038/s41550-020-01283-y
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6. Grewal, D.S., Dasgupta, R., Farnell, A. (2020). The speciation of carbon, nitrogen, and water in magma oceans and its effect on volatile partitioning between major reservoirs of the Solar System rocky bodies. Geochimica et Cosmochimica Acta 280: 281-301. doi: 10.1016/j.gca.2020.04.023
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5. Dasgupta, R., Grewal, D.S. (2019). Origin and Early Differentiation of Carbon and Associated Life-Essential Volatile Elements on Earth. In Orcutt, B., Daniel, I., Dasgupta, R. (Eds.) Deep Carbon: Past to Present (Cambridge University Press) 4-39. doi: 10.1017/9781108677950.002
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4. Hakim, K., Spaargaren, R., Grewal D.S., Rohrbach A., Brendt J., Dominik, C., van Westrenen, W. (2019). A laboratory approach to probe the mineralogy of carbon-rich rocky exoplanets. Astrobiology 9: Number 7. doi: 10.1089/ast.2018.1930
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3. Grewal, D.S., Dasgupta, R., Holmes, A.K., Costin, G, Li Y., Tsuno K. (2019). The fate of nitrogen during core-mantle separation on Earth. Geochimica et Cosmochimica Acta 251: 87-115. doi: 10.1016/j.gca.2019.02.009
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2. Grewal, D.S., Dasgupta, R., Sun, C., Tsuno K., Costin, G. (2019). Delivery of Carbon, Nitrogen and Sulfur to the Silicate Earth. Science Advances 5: eaau3669. doi: 10.1126/sciadv.aau3669
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1. Tsuno, K., Grewal, D.S., Dasgupta, R. (2018). Core-mantle fractionation of carbon in Earth and Mars: The effects of sulfur. Geochimica et Cosmochimica Acta 238: 477-495. doi: 10.1016/j.gca.2018.07.010