Rajdeep Dasgupta - Publications

Peer-reviewed Articles

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

Garapić, G., Mallik, A., Dasgupta, R., Jackson, M. G. (in press). Petrologic character of high 3He/4He mantle – Primitive, depleted, or re-enriched? American Mineralogist 100. doi:http://dx.doi.org/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 412, 132-142. http://dx.doi.org/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, 1-19. doi:http://dx.doi.org/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:http://dx.doi.org/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. http://dx.doi.org/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. http://dx.doi.org/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. http://dx.doi.org/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 transport from Martian mantle to crust-atmosphere system. Earth and Planetary Science Letters 409, 157-167. doi:http://dx.doi.org/10.1016/j.epsl.2014.10.046

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 168, 1-13. doi:http://dx.doi.org/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:http://dx.doi.org/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. http://dx.doi.org/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. http://dx.doi.org/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:http://dx.doi.org/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 GPa - Implications for carbon flux in subduction zone. Geochimica et Cosmochimica Acta 124, 328-347. doi:http://dx.doi.org/10.1016/j.gca.2013.09.026

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:http://dx.doi.org/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:http://dx.doi.org/10.1007/s00410-013-0900-7

Buono, A. S., Dasgupta, R., Lee, C-T. A. & Walker, D. (2013). Siderophile element partitioning between cohenite and liquid in the Fe-Ni-C-S system and implications for geochemistry of planetary cores and mantles. Geochimica et Cosmochimica Acta 120, 239-250. doi:http://dx.doi.org/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:http://dx.doi.org/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:http://dx.doi.org/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:http://dx.doi.org/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:http://dx.doi.org/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:http://dx.doi.org/10.1038/nature11731

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:http://dx.doi.org/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:http://dx.doi.org/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:http://dx.doi.org/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:http://dx.doi.org/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:http://dx.doi.org/10.1016/j.epsl.2011.12.007

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:http://dx.doi.org/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:http://dx.doi.org/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:http://dx.doi.org/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:http://dx.doi.org/10.1007/s00410-010-0560-9

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:http://dx.doi.org/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:http://dx.doi.org/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:http://dx.doi.org/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:http://dx.doi.org/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:http://dx.doi.org/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:http://dx.doi.org/10.1016/j.epsl.2009.11.027

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:http://dx.doi.org/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:http://dx.doi.org/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:http://dx.doi.org/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:http://dx.doi.org/10.1016/j.chemgeo.2009.02.008

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:http://dx.doi.org/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:http://dx.doi.org/10.1016/j.gca.2008.06.023

Dasgupta, R., Hirschmann, M. M. & Smith, N. D. (2007). Partial melting experiments of peridotite + CO₂ at 3 GPa and genesis of alkalic ocean island basalts. Journal of Petrology 48, 2093-2124. doi:http://dx.doi.org/10.1093/petrology/egm053

Dasgupta, R. & Hirschmann, M. M. (2007). A modified iterative sandwich method for determination of near-solidus partial melt compositions. II. Application to determination of near-solidus melt compositions of carbonated peridotite. Contributions to Mineralogy and Petrology 154, 647-661. doi:http://dx.doi.org/10.1007/s00410-007-0214-8

Hirschmann, M. M. & Dasgupta, R. (2007). A modified iterative sandwich method for determination of near-solidus partial melt compositions. I. Theoretical considerations. Contributions to Mineralogy and Petrology 154, 635-645. doi:http://dx.doi.org/10.1007/s00410-007-0213-9

Dasgupta, R., Hirschmann, M. M. & Smith, N. D. (2007). Water follows carbon: CO₂ incites deep silicate melting and dehydration beneath mid-ocean ridges. Geology 35, 135-138. doi:http://dx.doi.org/10.1130/G22856A.1

Dasgupta, R. & Hirschmann, M. M. (2007). Effect of variable carbonate concentration on the solidus of mantle peridotite. American Mineralogist 92, 370-379. doi:http://dx.doi.org/10.2138/am.2007.2201

Dasgupta, R. & Hirschmann, M. M. (2006). Melting in the Earth's deep upper mantle caused by carbon dioxide. Nature 440, 659-662. doi:http://dx.doi.org/10.1038/nature04612

Dasgupta, R., Hirschmann, M. M. & Stalker, K. (2006). Immiscible transition from carbonate-rich to silicate-rich melts in the 3 GPa melting interval of eclogite+CO₂ and genesis of silica-undersaturated ocean island lavas. Journal of Petrology 47, 647-671. doi:http://dx.doi.org/10.1093/petrology/egi088

Dasgupta, R., Hirschmann, M. M. & Dellas, N. (2005). The effect of bulk composition on the solidus of carbonated eclogite from partial melting experiments at 3 GPa. Contributions to Mineralogy and Petrology 149, 288-305. doi:http://dx.doi.org/10.1007/s00410-004-0649-0

Dasgupta, R., Hirschmann, M. M. & Withers, A. C. (2004). Deep global cycling of carbon constrained by the solidus of anhydrous, carbonated eclogite under upper mantle conditions. Earth and Planetary Science Letters 227, 73-85. doi:http://dx.doi.org/10.1016/j.epsl.2004.08.004

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.