The Plasma Mass Spectrometry Laboratory



Thomas Zack , Paul Tomascak, Michael Marks, Sonja Aulbach, Dr. Feng-zhen Teng, Dr. Ralf Halama, Heather Briallen Njo


Jeff Ryan, Michael Marks , Valerie Reynolds, Robbie King, Samuele Agostini,

Ivan Savov, Jenney Hall, Yongjun Gao


Note: * indicates graduate students, ** indicates undergraduate students



Aulbach, S. and Rudnick, R.L. (2009) Origins of non-equilibrium lithium isotopic fractionation in xenolithic peridotite minerals: examples from Tanzania, Chemical Geology 258: 17-27, doi:10.1016/j.chemgeo.2008.07. 015 [1] Link Here

Black, J. R., Umeda, G., Dunn, B., McDonough. W.F. and Kavner, A. (2009) The electrochemical isotope effect and lithium isotope separation. Journal of the American Chemical Society Link Here

Bell, D.R., Hervig, R.L., Buseck, P.R. and Aulbach, S. (2009) Lithium isotope analysis of olivine by SIMS: Calibration of a matrix effect and application to magmatic phenocrysts, Chemical Geology 258: 5-16. Link Here

Halama, R., Savov, I., Rudnick, R.L. and McDonough, W.F. (2009) Insights into Li and Li isotope cycling and sub-arc metasomatism from veined mantle xenoliths, Kamchatka, Contributions to Mineralogy and Petrology , 158:197222 DOI 10.1007/s00410-009-0378-5 . Link Here

Qiu, L., Rudnick, R.L., McDonough, W.F. and Merriman, R.J. (2009) Li and d7Li in mudrocks from the British Caledonides: indicators of provenance weathering, Geochimica et Cosmochimica Acta (in review).

Teng, F. Z., Rudnick, R.L., McDonough, W. F. and Wu, F-Y. (2009) Lithium isotopic systematics of A-type granites and their mafic enclaves: Further constraints on the Li isotopic composition of the continental crust. Chemical Geology , 262: 415424 . doi:10.1016/j.chemgeo.2009.02. 009 Link Here


Aulbach, S., Rudnick, R.L. and McDonough, W.F. (2008) Li-Sr-Nd Isotope Signatures of the Plume and Cratonic Lithospheric Mantle Beneath the Margin of the Rifted Tanzanian Craton (Labait). Contributions to Mineralogy and Petrology, 155: 79-92. Link Here

Halama, R., McDonough, W.F., Rudnick, R.L. and Bell, K. (2008) Tracking the lithium isotopic evolution of the mantle using carbonatites. Earth and Planetary Science Letters, 265: 726-743. Link Here

*Maloney, J.S., Nabelek, P.I., Sirbescu, M-L.C. and Halama, R. (2008) Lithium and its isotopes in tourmaline as indicators of the crystallization process in the San Diego County pegmatites, California, USA. European Journal of Mineralogy; 20: 905-916, doi: 10.1127/0935-1221/2008/0020-1823. Link Here

Marks, M. A., Rudnick, R. L., Ludwig, T., Marschall, H., Zack, T., Halama, R., McDonough, W.F., Rost, D., Wensel, T., Vicenzi, E. P., Savov, I. P., Altherr, R. and Markl, G. (2008) Sodic pyroxene and sodic amphibole as potential reference materials for in-situ Li isotope analyses by SIMS. Geostandards and Geoanalytical Research, 32: 295-310. Link Here

*Teng, F.-Z., Rudnick, R.L., McDonough, W.F., Gao, S., Tomascak, P.B. and Liu, Y.-S. (2008) Lithium isotopic composition and concentration of the deep continental crust, Chem. Geol. 255: 47-59, doi:10.1010/j.chemgeo.2008.06.009. Link Here

Tomascak P.B., Langmuir C.H., le Roux P.J., and Shirey, S.B. (2008) Lithium isotopes in global mid-ocean ridge basalts. Geochimica et Cosmochimica Acta 72: 1627-1637. Link Here

Ushikubo, T., Kita, N.T., Cavosie, A.J., Wilde, S.A., Rudnick, R.L. and Valley, J.W. (2008) Lithium in Jack Hills zircons: evidence for extreme weathering of Earth's earliest crust, Earth Planet. Sci. Lett. 272: 666-676. Link Here


Halama, R., McDonough, W.F., Rudnick, R.L., Keller, J. and Klaudius, J. (2007) The Li isotopic composition of Oldoinyo Lengai: nature of the mantle sources and lack of isotopic fractionation during carbonatite petrogenesis. Earth and Planetary Science Letters, 254: 77-89. Link Here

Marks, M., Rudnick, R.L., McCammon, C., Vennemann, T. and Markl, G. (2007) Arrested kinetic Li isotopic fractionation at the margin of the Ilímaussaq complex, South Greenland: evidence for open-system processes during final cooling of peralkaline igneous rock, Chem. Geol. 246: 207-230. Link Here

Rudnick, R.L. and Ionov, D.A. (2007) Lithium elemental and isotopic disequilibrium in minerals from peridotite xenoliths from far-east Russia : product of recent melt/fluid-rock reaction, Earth Planet. Sci. Lett. 256: 278-293 Link Here

*Teng, F.Z., McDonough, W.F., Rudnick, R.L. and Wing, B. (2007). Limited lithium isotopic fractionation during progressive metamorphic dehydration in metapelites: A case study from the Onawa contact aureole, Maine. Chemical Geology, 239: 1-12. Link Here


*Teng, F.-Z., McDonough, W.F., Rudnick, R.L. and Walker, R.J. (2006) Diffusion-driven extreme lithium isotopic fractionation in country rocks of the Tin Mountain pegmatite. Earth and Planetary Science Letters 243: 701-710. Link Here

*Teng, F.-Z., McDonough, W.F., Rudnick, R.L., Walker , R. and Sirbescu, M.-L. C. (2006) Lithium isotopic systematics of granites and pegmatites from the Black Hills, South Dakota. American Mineralogist, 91: 1488-1499. Link Here


Hall, J.M., Chan, L.H., McDonough, W.F. and Turekian, K.K. (2005) Determination of lithium isotopic composition of planktic foraminifera and its application as a paleo-seawater proxy. Marine Geology, 217: 255-265. Link Here


Rudnick R. L., Tomascak P. B., **Njo H. B., Gardner L. R. (2004) Extreme lithium isotopic fractionation during continental weathering revealed in saprolites from South Carolina. Chemical Geology 212, 45-57. Link here

*Teng, F.-Z., McDonough, W.F., Rudnick, R.L., Dalpe, C., Tomascak, P.B., Chappell, B.W. and Gao, S. (2004) Lithium Isotopic Composition and Concentration of the Upper Continental Crust. Geochimica et Cosmochimica Acta, 68: 4167-4178. Link Here

Tomascak PB (2004) Developments in the understanding and applications of lithium isotopes in the Earth and Planetary Sciences. In C.  M. Johnson, B.A. Beard and  F. Albarede (Editors)  Geochemistry of Non-traditional Stable Isotopes, Reviews in Mineralogy and  Geochemistry, volume  55, pp. 153-195. Link Here


Zack, T., Tomascak, P.B., Rudnick, R.L., Dalpe, C. and McDonough, W.F. (2003) Extremely light Li in orogenic eclogites: The role of isotope fractionation during dehydration in subducted oceanic crust Earth and Planetary Science Letters, 208: 279-290. Link Here








Dept. of Geology | Directory Listing | Lab. Website | Contact Us | ©designed & maintained by Puru Shetty