Current Research Interests

Nyiragongo                   

Publications: Submitted

Lake Bonney, Antarctica

Publications:

Chemical and isotopic evolution of Lake Bonney, Taylor Valley:  Timing of Late Holocene climate change in Antarctica Aquatic Geochemistry 10, 353-371 (2004)  (R.J. Poreda, A.G. Hunt, K. Welch and W. B. Lyons) [.pdf]

Permo-Triassic Boundary/Bedout Impact

Publications:

Chondritic Meteorite Fragments Associated with the Permian-Triassic Boundary in Antarctica  Science 302, 1388-1392 (2003). (A. Basu, M. I. Petaev, R. J. Poreda,  S. B. Jacobsen and L. Becker) [.pdf]

Bedout: A Possible End-Permian Impact Crater Offshore of Northwestern Australia,  Science   304, 1469-1476 (2004) (L. Becker, R. J. Poreda, A. Basu, K.O. Pope, T.M. Harrison, C. Nicholson, R. Iasky) [.pdf]

Fullerenes/Meteorite Impact

Publications:

Fullerenes and Interplanetary Dust at the Permian-Triassic Boundary  Astrobiology  3, 75-90 (2003) (Robert J. Poreda and Luann Becker)

Bangladesh

Publications:

Large groundwater strontium flux to the oceans from the Bengal Basin and the marine strontium isotope record.  Science  293, 1470-1473 (2001) (A.R. Basu,  S.B. Jacobsen, R.J. Poreda, C.B. Dowling and P.K. Aggarwal) [.pdf]

 Geochemical study of arsenic release mechanisms in the Bengal Basin groundwater Water Resources Research 38, 1173-1190 (2002)  (Dowling, Carolyn B.;     Poreda, Robert J.; Basu, Asish R.; Peters, Scott L.; Aggarwal, Pradeep K.) [.pdf]

The ground  waters of the Bengal Basin; their geochemistry and trace metal flux to the ocean. Geochimica et Cosmochimica Acta 67, 2117-2136 (2003).(Dowling, C. B.; Poreda, R. J.; Basu, A. R) [.pdf]

Volcanoes   

 Publications:

Regional variations in volatile composition: Isotopic evidence for carbonate recycling in the Central American volcanic arc. Geochemistry, Geophysics, Geosystems 2, DOI number 10. 1029/2001GC000163 (Glen Snyder, Robert Poreda, Andrew Hunt, and Udo Fehn) Published 22 October 2001 [.pdf]

Sources of nitrogen and methane in Central American geothermal settings: Noble gas and 129I evidence for crustal and magmatic volatile components. Geochemistry, Geophysics, Geosystems Vol. 4, Number 1, DOI number 10. 1029/2002GC000363 (Glen Snyder, Robert Poreda, Udo Fehn, and Andrew Hunt) Published 14 January 2003. [.pdf]

GPC-3 Grains

Publications: Submitted