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Items Authored or Edited by Manuela Fehr

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Number of items: 23.

2018

Fehr, Manuela A.; Hammond, Samantha J. and Parkinson, Ian J. (2018). Tellurium stable isotope fractionation in chondritic meteorites and some terrestrial samples. Geochimica et Cosmochimica Acta, 222 pp. 17–33. restricted access item, not available for direct download

2013

Sephton, Mark; James, Rachael; Fehr, Manuela; Bland, Philip and Gounelle, Matthieu (2013). Lithium isotopes as indicators of meteorite parent body alteration. Meteoritics & Planetary Science, 48(5) pp. 872–878.

Dixon, Sophie; Parkinson, Ian; Sexton, Philip; Fehr, Manuela; Peacock, Caroline and James, Rachael (2013). Ocean redox across the PETM: stable Cr isotopes in planktic foraminifera. In: Geochemistry Group RiP meeting 2013, 14 March 2013, Milton Keynes.

2012

Williams, N. H.; Fehr, M. A.; Akram, W. M.; Parkinson, I. J. and Schönbächler, M. (2012). Potential nucleosynthetic sources of the titanium isotope variations in solar system materials. In: 75th Annual Meeting of the Meteoritical Society, 12-17 August 2012, Cairns, Australia, p. 5209.

Fehr, Manuela; Parkinson, Ian and Cohen, Anthony (2012). Development of the tellurium stable isotope proxy. In: Geochemistry Group RiP Meeting 2012: Building a Habitable Planet, 15-16 March 2012, Milton Keynes, UK.

Dixon, Sophie K.; Parkinson, Ian J.; Sexton, Philip; Fehr, Manuela; James, Rachael Helen and Peacock, Caroline (2012). Tracking changes in ocean redox during the PETM using stable chromium isotopes. In: AGU Fall Meeting, 3-7 December 2012, San Francisco, CA, USA.

Dixon, Sophie; Parkinson, Ian; James, Rachael; Fehr, Manuela and Peacock, Caroline (2012). Adsoption of Cr onto Fe and Mn oxy(hydr)oxides: an EXAFS study with implication for using Cr isotopes as a redox proxy. In: Geotraces workshop on ‘Stable isotopes of biologically important trace metals’. , 13-14 September 2012, Imperial College London, UK.

2011

Bonnand, Pierre; Parkinson, Ian; James, Rachael; Karjalainen, Anne-Mari and Fehr, Manuela (2011). Accurate and precise determination of stable Cr isotope compositions in carbonates by double spike MC-ICP-MS. Journal of Analytical Atomic Spectrometry, 26(3) pp. 528–535.

Harvey, J.; Fehr, M. A.; Sharrock, J. L.; Parkinson, I. J. and James, R. H. (2011). The significance of Li isotope variations in CO chondrites: bulk-rock, inter and intra-chondrule differences. In: 74th Meteoritical Society Meeting, 8-12 August 2011, Greenwich, London.

2010

Bonnand, P.; Parkinson, I. J.; James, R. H.; Fehr, M. and Connolly, D. P. (2010). Cr isotopic composition of modern carbonates and seawater. In: American Geophysical Union, Fall Meeting 2019., 13-17 December 2010, San Francisco.

Sharrock, J. L.; Harvey, J.; Fehr, M.; James, R. and Parkinson, I. (2010). Lithium isotopes as an indicator of primary and secondary processes in unequilibrated meteorites: chondrule cooling and aqueous alteration in CO chondrites. In: American Geophysical Union, Fall Meeting 2010., 13-17 December 2010.

Parkinson, I. J.; Bonnand, P.; Pearce, C. R. and Fehr, M. (2010). Application of the generalised power law to double-spike measurements by MC-ICP-MS. In: American Geophysical Union, Fall Meeting 2010., 13-17 December 2010, San Francisco.

Fehr, Manuela A.; Andersson, Per S.; Hålenius, Ulf; Gustafsson, Örjan and Mörth, Carl-Magnus (2010). Iron enrichments and Fe isotopic compositions of surface sediments from the Gotland Deep, Baltic Sea. Chemical Geology, 277(3-4) pp. 310–322.

Bonnand, Pierre; Parkinson, Ian; James, Rachael; Karjalainen, Anne-Mari; Fehr, Manuela and Fairchild, Ian (2010). Detemination of Cr isotopic composition in low-level carbonates by MC-ICP-MS: a sensitive proxy for redox changes? In: European Geosciences Union General Assembly 2010, 2-7 May 2010, Vienna, Austria.

Magna, T.; Mezger, K. and Fehr, M. (2010). Lithium isotope composition of Mars - corollary of radial heterogeneity in the early Solar System? In: 20th V.M. Goldschmidt Conference, 13-18 Jun 2010, Knoxville, Tennessee, USA.

2009

Fehr, Manuela A.; Rehkämper, Mark; Halliday, Alex N.; Hattendorf, Bodo and Günther, Detlef (2009). Tellurium isotope compositions of calcium-aluminum-rich inclusions. Meteoritics and Planetary Science, 44(7) pp. 971–984.

Fehr, M.; James, R.; Sephton, M.; Martins, Z. and Bland, P. A. (2009). Primitive lithium isotope signatures in CR carbonaceous chondrites? In: 19th V.M. Goldschmidt Conference, 21-26 Jun 2009, Davos, Switzerland.

2008

Fehr, Manuela; Andersson, Per S.; Hålenius, Ulf and Mörth, Carl-Magnus (2008). Iron isotope variations in holocene sediments of the Gotland Deep, Baltic Sea. Geochimica et Cosmochimica Acta, 72(3) pp. 807–826.

2006

Fehr, Manuela A.; Rehkämper, Mark; Halliday, Alex N.; Schönbächler, Maria; Hattendorf, Bodo and Günther, Detlef (2006). Search for nucleosynthetic and radiogenic tellurium isotope anomalies in carbonaceous chondrites. Geochimica et Cosmochimica Acta, 70(13) pp. 3436–3448.

2005

Schönbächler, Maria; Rehkämper, Mark; Fehr, Manuela A.; Halliday, Alex N.; Hattendorf, Bobo and Günther, Detlef (2005). Nucleosynthetic zirconium isotope anomalies in acid leachates of carbonaceous chondrites. Geochimica et Cosmochimica Acta, 69(21) 5113-5122 .

Fehr, Manuela A.; Rehkämper, Mark; Halliday, Alex N.; Wiechert, Uwe; Hattendorf, Bodo; Günther, Detlef; Ono, Shuhei; Eigenbrode, Jennifer L. and Rumble III, Douglas (2005). Tellurium isotopic composition of the early solar system - A search for effects resulting from stellar nucleosynthesis, 126Sn decay and mass- independent fractionation. Geochimica et Cosmochimica Acta, 69(21) pp. 5099–5112.

2004

Fehr, Manuela A.; Rehkämper, Mark and Halliday, Alex N. (2004). Application of MC-ICPMS to the precise determination of tellurium isotope compositions in chondrites, iron meteorites and sulfides. International Journal of Mass Spectrometry, 232(1) pp. 83–94.

2003

Schönbächler, Maria; Lee, Der-Chuen; Rehkämper, Mark; Halliday, Alex N.; Fehr, Manuela A.; Hattendorf , Bobo and Günther, Detlef (2003). Zirconium isotope evidence for incomplete admixing of r-process components in the solar nebula. Earth and Planetary Science Letters, 216(4) pp. 467–481.

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