Contributions in mantle geochemistry

Gonnermann H. M. and Mukhopadhyay S. Preserving high concentrations of noble gases in a convecting mantle. Nature (In Review). (pdf)

Parai R., Mukhopadhyay S., and Lassiter J. C., New constraints on the HIMU mantle source from Helium and Neon Isotopic composition of basalts from the Cook-Austral Islands. Earth Planet. Sci. Lett. (In Review).

Gonnermann H. M. and Mukhopadhyay S. Non-equilibrium degassing and a primordial source for helium in ocean-island volcanism. Nature 449, 1037-1040, 2007. (pdf)

Mukhopadhyay S., Lassiter J. C., Farley K. A., and Bogue S.W., Geochemistry of Kauai shield lavas: Implications for the chemical evolution of the Hawaiian plume. Geochemistry, Geophysics, Geosystems, 4, 2002GC000342, 2003. (pdf)

Contributions in Surface Processes

Mukhopadhyay S. and Kreycik P. Dust Generation and Drought Patterns in Africa from Helium-4 in a Modern Cape Verde Coral. Geophysical Research Letters (In review).

Gayer E., Mukhopadhyay S., and Meade B. J., Spatial variability of erosion rates inferred from the frequency distribution of cosmogenic He-3 in olivines from Hawaiian river sediments. Earth Planet. Sci. Lett. 266, 303-315, 2008. (pdf)

Ackert R. P., Mukhopadhyay S., Parizek B. R., and Born H., Ice elevation near the West Antarctic Ice Sheet divide during the Last Glaciation. Geophys. Res. Lett. 34, L21506, doi:10.1029/2007GL031412, 2007. (pdf)

Oskin M., Perg L., Blumentritt D., Mukhopadhyay S., and Alexander I., Slip rate of the Calico fault: Implications for geologic versus geodetic rate discrepancy in the Eastern California Shear Zone. J. Geophys. Res. 112, B03402, doi:10.1029/2006JB004451, 2007. (pdf)

Farley K. A., Libarkin J., Mukhopadhyay S., and Amidon W., Cosmogenic and nucleogenic He-3 in apatite, titanite, and zircon: Earth Planet. Sci. Lett. 248, 451-461, 2006. (pdf)

Mukhopadhyay S. and Farley K. A. New insights into the carrier phase(s) of extraterrestrial He-3 in geologically old sediments. Geochim. Cosmochim. Acta 70, 5061-5073, 2006. (pdf)

Farley K. A., Ward P., Garrison G., and Mukhopadhyay S. Absence of extraterrestrial He-3 in Permian-Triassic age sedimentary rocks. Earth Planet. Sci. Lett 240, 265-275, 2005. (pdf)

Mukhopadhyay S., Farley K. A., and Montanari A., A short duration of the Cretaceous-Tertiary boundary event: evidence from extraterrestrial helium-3; Science, 291, 1952-1955, 2001. (pdf)

Mukhopadhyay S., Farley K. A. and Montanari A., A 35 million year record of helium in pelagic limestones from Italy: implications for accretion of interplanetary dust from Maastrichtian to middle Eocene; Geochimica Cosmochimica Acta, 65, 653-669, 2001. (pdf)

Farley K.A. and Mukhopadhyay S., An extraterrestrial impact at the Permian-Triassic Boundary? Science 293, 2343, 2001. (pdf)

Cosmochemistry contributions

Mukhopadhyay S. and Nittler L. R. Deuterium rich water in Interplanetary Dust Particles (To be submitted)

Acosta-Kane D., et al., Discovery of underground argon with low level of radioactive Ar-39 and possible applications to WIMP dark matter detectors. Nuclear Instruments and Methods in Physical Research A 587, 46-51, 2008. (pdf) My contribution to this manuscript was the suggested that mantle-derived argon from CO2 gas wells be used as the source of Ar for the dark matter detectors.

McKeegan K.D, et al., Isotopic compositions of cometary matter returned by Stardust. Science 314, 1724-1728, 2006. (pdf)

Busemann H., Young A.F., Alexander C.M.O., Hoppe P., Mukhopadhyay S., and Nittler L.R. Interstellar chemistry recorded in organic matter from primitive meteorites. Science 312, 727-730, 2006. (pdf)

Messenger S., Stadermann F. J., Floss C., Nittler L. R., and Mukhopadhyay S., Isotopic signatures of presolar material in Interplanetary Dust. Space Sci. Rev., 106, 155-172, 2003. (pdf)

Manuscripts to be submitted

Mukhopadhyay S., Pope A., and Ackert R. A. A 5 million year history of ice elevation from near the West Antarctic Ice Sheet divide and its implications for future ice sheet mass balance. (To be submitted to Geology).

Bhattacharya A. and Mukhopadhyay S. A 200-year history of dust generation and precipitation patterns in the Sahara-Sahel region of Africa from a Red Sea coral. (To be submitted).

Mukhopadhyay S. Variations in Solar Activity: Can it Induce Apparent Variations in the Extraterrestrial 3He flux to the Oceans? (To be submitted to Earth Planet Sci. Lett.).

Higgins S., Mukhopadhyay S., Ackert R.P., and Gruetzner J. A 5 million year record of extraterrestrial 3He flux, sediment provenance, and detrital fluxes at IODP Site 1313 in western North Atlantic. (To be submitted to Earth and Planetary Science Letters).