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bold - current members, * graduate student, $ post-doc, undergraduate student/ intern

Peer-reviewed Articles

Accepted/In press

$Tsuno, K., *Grewal, D. S. & Dasgupta, R. (in press). Core-mantle fractionation of carbon on Earth and Mars: the effects of sulfur. Geochimica et Cosmochimica Acta. doi:10.1016/j.gca.2018.07.010

*Ding, S. & Dasgupta, R. (in press). Sulfur inventory of ocean island basalt source regions constrained by modeling the fate of sulfide during decompression melting of a heterogeneous mantle. Journal of Petrology. doi:10.1093/petrology/egy061


*Carter, L. B. & Dasgupta, R. (2018). Decarbonation in the Ca-Mg-Fe carbonate system at mid-crustal pressure as a function of temperature and assimilation with arc magmas – Implications for long-term climate. Chemical Geology 492, 30-48. doi:10.1016/j.chemgeo.2018.05.024

*Eguchi, J. & Dasgupta, R. (2018). A CO2 solubility model for silicate melts from fluid saturation to graphite or diamond saturation. Chemical Geology 487, 23-38. doi:10.1016/j.chemgeo.2018.04.012

*Saha, S., Dasgupta, R., $Tsuno, K. (2018). High pressure-temperature phase relations of a depleted peridotite fluxed by CO2-H2O-bearing siliceous melts and the origin of mid-lithospheric discontinuity. Geochemistry, Geophysics, Geosystems 19, 595-620. doi:10.1002/2017GC007233

Dasgupta, R. (2018). Volatile bearing partial melts beneath oceans and continents – where, how much, and of what compositions? American Journal of Science 318 (1), 141-165. doi:10.2475/01.2018.06

*Ding, S., Hough, T., Dasgupta, R. (2018). New high pressure experiments on sulfide saturation of high-FeO* basalts with variable TiO2 contents – Implications for the sulfur inventory of the lunar interior. Geochimica et Cosmochimica Acta 222, 319-339. doi:10.1016/j.gca.2017.10.025


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$Li, Y., Dasgupta, R. & $Tsuno, K. (2017). Carbon contents in reduced basalts at graphite saturation: Implications for the degassing of Mars, Mercury, and the Moon. Journal of Geophysical Research - Planets 122, doi:10.1002/2017JE005289.

*Duncan, M. S. & Dasgupta, R. (2017). Rise of Earth's atmospheric oxygen controlled by efficient subduction of organic carbon. Nature Geoscience 10, 387-392. doi:10.1038/NGEO2939

*Duncan, M. S., Dasgupta, R., $Tsuno, K. (2017). Experimental determination of CO2 content at graphite saturation along a natural basalt-peridotite melt join: Implications for the fate of carbon in terrestrial magma oceans. Earth and Planetary Science Letters 466, 115-128. doi:10.1016/j.epsl.2017.03.008

*Eguchi, J. & Dasgupta, R. (2017). CO2 content of andesitic melts at graphite saturated upper mantle conditions with implications for redox state of oceanic basalt source regions and remobilization of reduced carbon from subducted eclogite. Contributions to Mineralogy and Petrology 172, 12. doi:10.1007/s00410-017-1330-8

*Ding, S. & Dasgupta, R. (2017). The fate of sulfide during decompression melting of peridotite – implications for sulfur inventory of the MORB-source depleted upper mantle. Earth and Planetary Science Letters 459, 183-195. doi:10.1016/j.epsl.2016.11.020

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*Carter, L. B. & Dasgupta, R. (2016). Effect of melt composition on crustal carbonate assimilation – Implications for the transition from calcite consumption to skarnification and associated CO2 degassing. Geochemistry, Geophysics, Geosystems 17, 3893-3916. doi:10.1002/2016GC006444

*Mallik, A.,Dasgupta, R., $Tsuno, K. & Nelson, J. (2016). Effects of water, depth and temperature on partial melting of mantle-wedge fluxed by hydrous sediment-melt in subduction zones. Geochimica et Cosmochimica Acta 195, 226-243. doi:10.1016/j.gca.2016.08.018

$Li, Y., Dasgupta, R., $Tsuno, K., Monteleone, B. & Shimizu, N. (2016). Carbon and sulfur budget of the silicate Earth explained by accretion of differentiated planetary embryos. Nature Geoscience 9, 781-785. doi:10.1038/ngeo2801


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$Le Roux, V., Dasgupta, R. & Lee, C-T. A. (2015). Recommended mineral-melt partition coefficients for FRTEs (Cu), Ga, and Ge during mantle melting. American Mineralogist 100, 2533-2544. doi:10.2138/am-2015-5215

Garapić, G., *Mallik, A., Dasgupta, R., & Jackson, M. G. (2015). Petrologic character of high 3He/4He mantle – Primitive, depleted, or re-enriched? American Mineralogist 100, 2066-2081. doi:10.2138/am-2015-5154

*Carter, L. B. & Dasgupta, R. (2015). Hydrous basalt-limestone interaction at crustal conditions: implications for generation of ultracalcic melts and outflux of CO2 at volcanic arcs. Earth and Planetary Science Letters 427, 202-214. doi:10.1016/j.epsl.2015.06.053

*Duncan, M. S. & Dasgupta, R. (2015). Pressure and temperature dependence of CO2 solubility in hydrous rhyolitic melt – Implications for carbon transfer to mantle source of volcanic arcs via partial melt of subducting crustal lithologies. Contributions to Mineralogy and Petrology 169(54). doi:10.1007/s00410-015-1144-5

*Mallik, A., Nelson, J. & Dasgupta, R. (2015). Partial melting of fertile peridotite fluxed by a hydrous rhyolite at 2-3 GPa: Implications for mantle wedge hybridization by sediment melt and generation of ultra-potassic magmas in convergent margins. Contributions to Mineralogy and Petrology 169, 1-24. doi:10.1007/s00410-015-1139-2

$Li, Y., Dasgupta, R. & $Tsuno, K. (2015). The effects of sulfur, silicon, water, and oxygen fugacity on carbon solubility and partitioning in Fe-rich alloy melt-silicate melt systems at 3 GPa and 1600 °C – Implications for core-mantle differentiation and degassing of magma oceans and reduced planetary mantles. Earth and Planetary Science Letters 415, 54-66. doi:10.1016/j.epsl.2015.01.017

$Tsuno, K. & Dasgupta, R. (2015). Fe-Ni-Cu-C-S phase relations at high pressures and temperatures – The role of sulfur in carbon storage and diamond stability at mid- to deep- upper mantle. Earth and Planetary Science Letters 412, 132-142. doi:10.1016/j.epsl.2014.12.018

$Filiberto, J. & Dasgupta, R. (2015). Constraints on the depth and thermal vigor of melting in the Martian mantle. Journal of Geophysical Research - Planets 120, 109-122. doi:10.1002/2014JE004745

*Ding, S., Dasgupta, R., Lee, C-T. A. & Wadhwa, M. (2015). New bulk sulfur measurements of Martian meteorites and modeling the fate of sulfur during melting and crystallization – Implications for sulfur trasport from Martian mantle to crust-atmosphere system. Earth and Planetary Science Letters 409, 157-167. doi:10.1016/j.epsl.2014.10.046


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$Filiberto, J., Dasgupta, R., Gross, J. & Treiman, A. (2014). Effect of chlorine on near-liquidus phase equilibria of an Fe-Mg-rich tholeiitic basalt. Contributions to Mineralogy and Petrology 167, 1027. doi:10.1007/s00410-014-1027-1

*Chi, H., Dasgupta, R., *Duncan, M. S. & Shimizu, N. (2014). Partitioning of carbon between Fe-rich alloy melt and silicate melt in a magma ocean – implications for the abundance and origin of volatiles in Earth, Mars, and the Moon. Geochimica et Cosmochimica Acta 139, 447-471. doi:10.1016/j.gca.2014.04.046

$Jégo, S. & Dasgupta, R. (2014). The fate of sulfur during fluid-present melting of subducting basaltic crust at variable oxygen fugacity. Journal of Petrology 55, 1019-1050. doi:10.1093/petrology/egu016

*Mallik, A. & Dasgupta, R. (2014). Effect of variable CO2 on eclogite-derived andesite-lherzolite reaction at 3 GPa - Implications for mantle source characteristics of alkalic ocean island basalts. Geochemistry, Geophysics, Geosystems 15, 1533-1557. doi:10.1002/2014GC005251

*Ding, S., Dasgupta, R. & $Tsuno, K. (2014). Sulfur concentration of martian basalts at sulfide saturation at high pressures and temperatures - implications for deep sulfur cycle on Mars. Geochimica et Cosmochimica Acta 131, 227-246. doi:10.1016/j.gca.2014.02.003

*Duncan, M. S. & Dasgupta, R. (2014). CO2 solubility and speciation in rhyolitic sediment partial melts at 1.5-3.0 GPa - Implications for carbon flux in subduction zones. Geochimica et Cosmochimica Acta 124, 328-347. doi:10.1016/j.gca.2013.09.026

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*Mallik, A. & Dasgupta, R. (2013). Reactive infiltration of MORB-eclogite-derived carbonated silicate melt into fertile peridotite at 3 GPa and genesis of alkalic magmas. Journal of Petrology 54, 2267-2300. doi:10.1093/petrology/egt047

Walker, D., Dasgupta, R., Li, J. & Buono, A. (2013). Nonstoichiometry and growth of some Fe carbides. Contributions to Mineralogy and Petrology 166, 935-957. doi:10.1007/s00410-013-0900-7

Buono, A., Dasgupta, R., Lee, C-T. A. & Walker, D. (2013). Siderophile element partitioning between cohenite and liquid in Fe-Ni-S-C systems and implications for geochemistry of planetary cores and mantles. Geochimica et Cosmochimica Acta 120, 239-250. doi:10.1016/j.gca.2013.06.024

$Jégo, S. & Dasgupta, R. (2013). Fluid-present melting of sulfide-bearing ocean crust: Experimental constraints on the transport of sulfur from slab to mantle wedge. Geochimica et Cosmochimica Acta 110, 106-134. doi:10.1016/j.gca.2013.02.011

Dasgupta, R. (2013). Ingassing, storage, and outgassing of terrestrial carbon through geologic time. Reviews in Mineralogy and Geochemistry 75, 183-229. doi:10.2138/rmg.2013.75.7

Lee, C-T. A., Shen, B., Slotnik, B. S., Liao, K., Dickens, G. R., Yokoyama, Y., Lenardic, A., Dasgupta, R., Jellinek, M., Lackey, J., Schneider, T. & Tice, M. (2013). Continent-island arc fluctuations, growth of crustal carbonates, and long-term climate change. Geosphere 9, 21-36. doi:10.1130/GES00822.1

Dasgupta, R., *Chi, H., Shimizu, N., Buono, A. & Walker, D. (2013). Carbon solution and partitioning between metallic and silicate melts in a shallow magma ocean: implications for the origin and distribution of terrestrial carbon. Geochimica et Cosmochimica Acta 102, 191-202. doi:10.1016/j.gca.2012.10.011

Dasgupta, R.,*Mallik, A., $Tsuno, K., Withers, A. C., Hirth, G. & Hirschmann, M. M. (2013). Carbon-dioxide-rich silicate melt in the Earth's upper mantle. Nature 493, 211-215. doi:10.1038/nature11731

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$Tsuno, K., Dasgupta, R., Danielson, L. & Righter, K. (2012). Flux of carbonate melt from deeply subducted pelitic sediments - geophysical and geochemical implications for the source of Central American volcanic arc. Geophysical Research Letters 39, L16307. doi:10.1029/2012GL052606

$Filiberto, J., Wood, J., Dasgupta, R., Shimizu, N., Le, L. & Treiman, A. (2012). Effect of fluorine on near-liquidus phase equilibria of an Fe-Mg rich basalt. Chemical Geology 312-313, 118-126. doi:10.1016/j.chemgeo.2012.04.015

*Mallik, A. & Dasgupta, R. (2012). Reaction between MORB-eclogite derived melts and fertile peridotite and generation of ocean island basalts. Earth and Planetary Science Letters 329-330, 97-108. doi:10.1016/j.epsl.2012.02.007

Lee, C-T. A., Luffi, P., Chin, E. J., Bouchet, R., Dasgupta, R., Morton, D. M., $Le Roux, V., Yin, Q. & Jin, D. (2012). Copper systematics in arc magmas and implications for crust-mantle differentiation. Science 336, 64-68. doi:10.1126/science.1217313

$Tsuno, K. & Dasgupta, R. (2012). The effect of carbonates on near-solidus melting of pelite at 3 GPa: relative efficiency of H2O and CO2 subduction. Earth and Planetary Science Letters 319-320, 185-196. doi:10.1016/j.epsl.2011.12.007

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$Le Roux, V., Dasgupta, R., Lee, C-T. A. (2011). Mineralogical heterogeneities in the Earth's mantle: constraints from Mn, Co, Ni and Zn partitioning during partial melting. Earth and Planetary Science Letters 307, 395-408. doi:10.1016/j.epsl.2011.05.014

Sanloup, C., Westrenen, W. v., Dasgupta, R., Maynard-Casely, H. & Perrillat, J.-P. (2011). Compressibility change in iron-rich melt and implications for core formation models. Earth and Planetary Science Letters 306, 118-122. doi:10.1016/j.epsl.2011.03.039

$Filiberto, J. & Dasgupta, R. (2011). Fe2+-Mg partitioning between olivine and basaltic melts: applications to genesis of olivine-phyric shergottites and conditions of melting in the Martian interior. Earth and Planetary Science Letters 304, 527-537. doi:10.1016/j.epsl.2011.02.029

$Tsuno, K. & Dasgupta, R. (2011). Melting phase relation of nominally anhydrous, carbonated pelitic-eclogite at 2.5-3.0 GPa and deep cycling of sedimentary carbon. Contributions to Mineralogy and Petrology 161, 743-763. doi:10.1007/s00410-010-0560-9

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Lee, C-T. A., Luffi, P., $Le Roux, V., Dasgupta, R., Albarède, F. & Leeman, W. (2010). The redox state of arc mantle using Zn/Fe systematics. Nature 468, 681-685. doi:10.1038/nature09617

Gerbode, C. & Dasgupta, R. (2010). Carbonate-fluxed melting of MORB-like pyroxenite at 2.9 GPa and genesis of HIMU ocean island basalts. Journal of Petrology 51, 2067-2088. doi:10.1093/petrology/egq049

Dasgupta, R. & Hirschmann, M. M. (2010). The deep carbon cycle and melting in Earth's interior. Earth and Planetary Science Letters (Frontiers) 298, 1-13. doi:10.1016/j.epsl.2010.06.039

$Filiberto, J., Dasgupta, R., Walter, K. & Treiman, A. (2010). High pressure, near-liquidus phase equilibria of the Home Plate basalt Fastball and melting in the Martian mantle. Geophysical Research Letters 37, L13201. doi:10.1029/2010GL043999

Lee, C-T. A., Luffi, P., Höink, T., Li, J., Dasgupta, R. & Hernlund, J. (2010). Upside-down differentiation and generation of a 'primordial' lower mantle. Nature 463, 930-933. doi:10.1038/nature08824

Dasgupta, R., Jackson, M. G. & Lee, C-T. A. (2010). Major element chemistry of ocean island basalts - conditions of mantle melting and heterogeneity of mantle source. Earth and Planetary Science Letters 289, 377-392. doi:10.1016/j.epsl.2009.11.027

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Dasgupta, R., Buono, A., Whelan, G. & Walker, D. (2009). High-pressure melting relations in Fe-C-S systems: implications for formation, evolution, and structure of metallic cores in planetary bodies. Geochimica et Cosmochimica Acta 73, 6678-6691. doi:10.1016/j.gca.2009.08.001

Lord, O. T., Walter, M. J., Dasgupta, R., Walker, D. & Clark, S. M. (2009). Melting in the Fe-C system to 70 GPa. Earth and Planetary Science Letters 284, 157-167. doi:10.1016/j.epsl.2009.04.017

Dasgupta, R., Hirschmann, M. M., McDonough, W. F., Spiegelman, M. & Withers, A. C. (2009). Trace element partitioning between garnet lherzolite and carbonatite at 6.6 and 8.6 GPa with applications to the geochemistry of the mantle and of mantle-derived melts. Chemical Geology 262, 57-77. doi:10.1016/j.chemgeo.2009.02.004

Hirschmann, M. M. & Dasgupta, R. (2009). The H/C ratios of Earth’s near-surface and deep reservoirs, and consequences for deep Earth volatile cycles. Chemical Geology 262, 4-16. doi:10.1016/j.chemgeo.2009.02.008

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Jackson, M. G. & Dasgupta, R. (2008). Compositions of HIMU, EM1, and EM2 from global trends between radiogenic isotopes and major elements in ocean island basalts. Earth and Planetary Science Letters 276, 175-186. doi:10.1016/j.epsl.2008.09.023

Dasgupta, R. & Walker, D. (2008). Carbon solubility in core melts in a shallow magma ocean environment and distribution of carbon between the Earth's core and the mantle. Geochimica et Cosmochimica Acta 72, 4627-4641. doi:10.1016/j.gca.2008.06.023

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Edited Volume

Volatiles and volatile-bearing melts in the Earth's interior (2009). Dasgupta, R. and Dixon, J. E (Eds). Chemical Geology special volume 262, issue 1-2, pages 1-120.

Other articles, commentaries, and interviews

■ Dasgupta, R. (2015). Dasgupta, Frankenberg, Perron, Shuster, and Tierny receive 2014 James B. Macelwane Medals. – Dasgupta Response. EOS 96, 17.

■ To kick off 2015, Nature’s Careers section asked a dozen highly recognized young scientists—all 40 or under— about their plans for the year ahead and their wishes for the future of science. Dasgupta featured as the geoscientist.

Dasgupta, R. (2013). Dasgupta receives 2012 Hisashi Kuno Award. – Response. EOS 94, 281. doi: 10.1002/2013EO320009

■ Rajdeep Dasgupta talks with and answers a few questions about this month's Fast Moving Fronts paper in the field of Geosciences. Fast Moving Fronts of July 2010 from Essential Science Indicators of Thomson Reuters

■ Dasgupta, R. & Dixon, J. E. (2009). Volatiles and volatile-bearing melts in the Earth's interior (Ediotorial). Chemical Geology 262, 1-3. doi:10.1016/j.chemgeo.2009.04.006

■ Carbon's conductivity conundrum - Are carbonates responsible for high electrical conductivity in the mantle? EARTH Magazine interview by Brian Fisher Johnson on Gaillard et al. (2008)'s Science paper titled "Carbonatite Melts and Electrical Conductivity in the Asthenosphere". PDF

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