Roberta Rudnick

Professor Roberta Rudnick
Professor

Contact Phone

805-893-3082

Office Location

Webb 1031A

Specialization

Geochemistry and Petrology, Continent Formation and Evolution

Research

Publications

 

Peer Reviewed Papers and Chapters (since 2010)

 

*graduate student, ** undergraduate student, †post-doc.

 

2017

 

Rudnick, R.L. (2017) Earth’s Continental Crust, in White, W.M. (editor) Encyclopedia of Geochemistry (in press).

 

Greaney*, A.T., Rudnick, R.L., Helz, R.T., Gaschnig, R.M., Piccoli, P.M. and Ash, R.D. (2017) The behavior of chalcophile elements during magmatic differentiation as observed in Kilauea Iki Lava Lake, Hawaii, Geochimica et Cosmochimica Acta (in press).

 

Penniston-Dorland, S., Liu, X.-M. and Rudnick, R.L. (2017) Lithium isotope geochemistry, in (Teng, F.-Z., Watkins, J.M. and Dauphas, N., eds.) Measurements, Theories and Application of Non Traditional Stable Isotopes, Reviews in Mineralogy and Geochemistry, Mineralogical Society of America 82: 165-217, http://dx.doi.org/10.2138/rmg.2017.82.6.

 

Chauvel, C. and Rudnick, R.L. (2017) Large-ion lithophile elements, in White, W.M. (editor), Encyclopedia of Geochemistry, DOI 10.1007/978-3-319-39193-9_232-1 (in press).

 

2016

 

Gaschnig, R.M., Rudnick, R.L., McDonough, W.F., Kaufman, A.J., Valley, J., Hu, Z.-C. and Gao, S. (2016) Compositional evolution of the upper continental crust through time, as constrained by ancient glacial diamictites, Geochimica et Cosmochimica Acta 186: 316-343, http://dx.doi.org/10.1016/j.gca.2016.03.020.

 

Day, J.M.D., Qiu*, L., Ash, R.D., McDonough, W.F., Teng, F.-Z., Rudnick, R.L. and Taylor, L.A. (2016) High temperature fractionation of Li isotopes in the Moon, Meteoritics and Planetary Science 51 (6): 1046-1062, doi: 10.1111/maps.12643.

 

Chen*, K., Walker, R.J., Gao, S., Rudnick, R.L., Gaschnig, R.M., Puchtel, I.S., Tang*, M. and Hu, Z. (2016) Platinum group element abundances and Re-Os isotope systematics of the upper continental crust through time: evidence from glacial diamictites, Geochimica et Cosmochimica Acta (resubmitted following revision).

 

Tang*, M., Chen*, K., Rudnick, R.L. (2016) Archean upper crust transition from mafic to felsic marks the onset of plate tectonics, Science 351 (6271): 372-375, doi: 10.1126/science.aad5513.

 

Li*, S., Gaschnig, R.M. and Rudnick, R.L. (2016) Insights into chemical weathering of the upper continental crust from the geochemistry of ancient glacial diamictites, Geochimica et Cosmochimica Acta 176: 96-117, doi: 10.1016/j.gca.2015.12.012.

 

2015

 

Sauzéat*, L., Rudnick, R.L., Chauvel, C., Garçon, M. and Tang*, M. (2015) New perspectives on the Li isotopic composition of the upper continental crust and its weathering signature, Earth and Planetary Science Letters 428: 181-192, doi: 10.1016/j.epsl.2015.07.032.

 

Wang, S.-J., Teng, F.-Z., Rudnick, R.L., Li, S.-G. (2015) A recycled origin for cratonic eclogites: Magnesium isotope evidence in xenolithic eclogites from Sierra Leone, Geology 43: 1071-1074, doi: 10.1130/G37259.1.

 

Wang, S.-J., Teng, F.-Z., Rudnick, R.L., Li, S.-G. (2015) Magnesium isotope fractionation during diagenesis and low-grade metamorphism of mudrocks, Geochimica et Cosmochimica Acta 165: 435-448, http://dx.doi.org/10/1016/j.gca.2015.06.019.

 

Hui, H.-J., Peslier, A.H., Rudnick, R.L., Simonetti, A., Neal, C.R. (2015) Plume-cratonic lithosphere interaction recorded by water and other trace elements in peridotite xenoliths from the Labait volcano, Tanzania, G-cubed 16:  1687-1710.

 

Tang*, M., Rudnick, R.L., McDonough, W.F., Huang, Y.* and Gaschnig, R.M. (2015) Europium anomalies constrain recycling of lower continental crust, Geology 43: 703-706, doi:10.1130/G36641.1.

 

Liu*, J.-G., Rudnick, R.L., Walker, R.J., Xu, W.-L., Gao, S. and Wu, F.-Y. (2015) Big insights from tiny peridotites: evidence for persistence of Precambrian lithosphere beneath the eastern North China Craton, Tectonophysics 650: 104-112, DOI: 10.1016/j.tecto.2014.05.009

 

Liu*, X.-M., Wanner, C., Rudnick, R.L. and McDonough, W.F. (2015) Processes controlling d7Li in rivers illuminated by study of streams and ground waters draining basalts, Earth and Planetary Science Letters 409: 212-224, DOI10.1016/j.epsl.2014.10.032.

 

Baptiste*, V., Vauchez, A., Tomassi, A., Demouchy, S., Rudnick, R.L. (2015) Deformation, hydration, and anisotropy of the lithospheric mantle beneath an active rift: constraints from mantle xenoliths from the North Tanzanian Divergence of the East African Rift, Tectonophysics 639: 34-55, doi:10.1016/j.tecto.2014.11.011.

 

2014

 

Gaschnig, R.M., Rudnick, R.L., McDonough, W.F. (2014) Standard addition ICP-MS characterization of selected chalcophile and siderophile elements (Ga, Ge, Mo, Ag, Cd, In, Sn, Sb, W, Tl, and Bi) in USGS whole-rock standard reference materials, Geostandards and Geoanalytical Research 39: 371-379, DOI: 10.1111/j.1751-908X.2014.00330.x.

 

Rudnick, R.L. and Gao, S. (2014) The Composition of the Continental Crust, pp. 1-51, In: The Crust (2014), R.L. Rudnick, editor, Treatise on Geochemistry, Second Edition, Volume 4, (eds. H.D. Holland and K.K. Turekian), Elsevier-Pergamon, Oxford 805 p.

 

Tang*, M., Rudnick, R.L. and Chauvel, C. (2014) Sedimentary input to the source of Lesser Antilles lavas: a Li perspective, Geochimica et Cosmochimica Acta 144: 43-58, DOI 10.1016/j.gca.2014.09.003.

 

Gaschnig†, R.M., Rudnick, R.L., McDonough, W.F., Hu, Z.-C., Gao, S., Kaufman, A.J. (2014) Onset of oxidative weathering of continents recorded in the geochemistry of  ancient diamictites, Earth and Planetary Science Letters 408: 87-99, DOI 10.1016/j.epsl.2014.10.002.

 

Liu*, X.-M., Teng, F.-Z., Rudnick, R.L., McDonough, W.F. and Cummings, M.L. (2014) Massive magnesium depletion and isotopic fractionation in weathered basalts, Geochimica et Comsochimica Acta 135: 336-349, http://dx.doi.org/10.1016/j.gca. 2014.03.028.

 

Mansur*, A.T., Manya, S., Timpa*, S. and Rudnick, R.L. (2014) Granulite-facies xenoliths in rift basalts of northern Tanzania:  Age, composition and origin of Archean lower crust, Journal of Petrology 55: 1243-1286.

 

2013

 

Teng, F.Z., Yang, W., Rudnick, R.L. and Hu, Y. (2013) Heterogeneous magnesium isotopic composition of the lower crust: a xenolith perspective, G-cubed 14 (9): 3844-3856, doi: 10.1002/ggge.20238.

 

Huang*, Y., Chubakov, V., Mantovani, F., Rudnick, R.L. and McDonough, W.F. (2013) Reference Earth model for the heat producing elements and associated geoneutrino flux, G-cubed 14 (6): 2003-2029, doi: 10.1002/ggge.20129.

 

Liu*, X.M., Rudnick, R.L., McDonough, W.F. and Cummings, M. (2013) Influence of chemical weathering on the composition of the continental crust: Insights from Li and Nd isotopes in bauxite profiles developed on Columbia River Basalts, Geochimica et Cosmochimica Acta 115: 73-91, doi: 10.1016/j.gca.2013.03.043.

 

2012

 

Liu*, J.-G., Carlson, R.W., Rudnick, R.L., Walker, R.J., Wu, F.-Y. and Gao, S. (2012) Comparative Sr-Nd-Hf-Os-Pb isotope systematics of xenolithic peridotites from Yangyuan, North China Craton, Chemical Geology 332-333: 1-14, doi: 10.1016/j.chemgeo.2012.09.013.

 

Herzberg, C. and Rudnick, R.L. (2012) Formation of cratonic lithosphere: an integrated thermal and petrological model, Lithos 149: 4-15, doi: 10.1016/j.lithos.2012.01.010.

 

2011

 

Liu*, X.M. and Rudnick, R.L. (2011) Constraints on continental crustal mass loss via chemical weathering using lithium and its isotopes, Proceedings of the National Academy of Sciences 108: 20,873-20,880; doi: 10.1073/pnas.1115671108.

 

Liu*, J.-G., Rudnick, R.L., Walker, R.J. , Gao, S., Wu, F.-Y., Piccoli, P.H., Yuan, H.L., Xu, W.L., Xu, Y.G. (2011) Mapping lithospheric boundaries using Os isotopes of mantle xenoliths: an example from the North China Craton, Geochimica et Cosmochimica Acta 75: 3881-3902, doi: 10.1016/j.gca.2011.04.018.

 

Qiu*, L., Rudnick, R.L., McDonough, W.F. and Bea, F. (2011) The behavior of Li in amphibolite- to granulite-facies rocks of the Ivrea-Verbano Zone, NW Italy, Chemical Geology 289: 76-85, doi: 10.1016/j.chemgo.2011.07.014.

 

Aulbach, S., Rudnick, R.L. and McDonough, W.F. (2011) Evolution of the lithospheric mantle beneath the East African Rift in Tanzania and its signatures in rift magmas, In (Beccaluva, L., Bianchini, G. and Wilson, M., eds.) Volcanism and Evolution of the African Lithosphere, Geol. Soc. America Special Paper, p. 105-126.

 

Bellucci*, J.J., McDonough, W.F. and Rudnick, R.L. (2011) Thermal history and origin of the Tanzanian Craton from Pb isotope thermochronology of feldspars from lower crustal xenoliths, Earth and Planetary Science Letters 301:  493-501, doi:10.1016/j.epsl.2010.11.031.

 

Qiu*, L., Rudnick, R.L., Ague, J.J. and McDonough, W.F. (2011) A Li isotope study of sub-greenschist to greenschist facies metamorphism in an accretionary prism, New Zealand, Earth and Planetary Science Letters 301: 213-221, doi:10.1016/j.epsl.2010.11.001.

 

Jochum, K.P., Wilson, S., Abouchami, W., Amini, M., Chmeleff, J., Eisenhauer, A., Hegner, E., Iaccheri, L.M., Kieffer, B., McDonough, W.F., Mertz-Kraus, R., Raczek, I., Rudnick, R.L., Steinhoefel, G., Stoll, B., Stracke, A., Tonarini, S., Weis, D., Weis, U., Woodhead, J.D. (2011) GSD-1G and MPI-DING reference glasses for in-situ and bulk isotopic analysis, Geostandards and Geoanalytical Research 35: 193-226, doi: 10.1111/j.1751-908X.2010.00114.x.