Publications

22. Grewal, D.S., Zhang, Z., Manilal, V., Kruijer, T.S., Bottke W.F., Stewart S.T. (2025). Protracted Core Formation and Impact Disruptions Shaped the Earliest Outer Solar System Planetesimals. Science Advances 11: 40 doi: 10.1126/sciadv.adw1668

21. Grewal, D.S., Mukhopadhyay, S. (2025). Using carbon isotopes to track the origin of volatiles on Earth and

Mars. Geochimica et Cosmochimica Acta 408: 12-27. doi: 10.1016/j.gca.2025.09.014

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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