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CosmoGeo Lab


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 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 

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