Dr. Tony Withers
Experimental Petrology
Assistant Professor
Ph.D. Bristol University, 1997
Office: BGS 1018
Lab: BGS 1014
Phone: 519-661-2111 x.88627
Fax: 519-661-3198
Email: tony.withers@uwo.ca
Web: http://publish.uwo.ca/~awither5/
Research Interests
Volatile elements in planetary interiors; influence of volatiles on electrical conductivities and viscosities of silicate liquids; trace element partitioning; stable isotope systematics in high pressure systems; thermodynamic properties of minerals, fluids and silicate melts.
Selected publications
- B.D. Stanley, M.M. Hirschmann and A.C. Withers (in press) Solubility of C-O-H volatiles in graphite-saturated martian basalts. Geochimica et Cosmochimica Acta. doi: 10.1016/j.gca.2013.12.013
- P. Ardia, M.M. Hirschmann, A.C. Withers and B.D. Stanley (2013) Solubility of methane in a synthetic basaltic melt, with applications to atmosphere-magma ocean-core partitioning of volatiles and to the evolution of the martian atmosphere. Geochimica et Cosmochimica Acta. 114: 52-71. doi: 10.1016/j.gca.2013.03.028
- A.C. Withers (2013) On the use of unpolarized infrared spectroscopy for quantitative analysis of absorbing species in birefringent crystals. American Mineralogist. 98: 689-697. doi: 10.2138/am.2013.4316
- R. Dasgupta, A. Mallik, K. Tsuno, A.C. Withers, G. Hirth and M.M. Hirschmann (2013) Carbon-dioxide-rich silicate melt in the Earth's upper mantle. Nature. 493: 211-215. doi: 10.1038/nature11731
- M.M. Hirschmann, A.C. Withers, P. Ardia and N.T. Foley (2012) Solubility of molecular hydrogen in silicate melts and consequences for volatile evolution of terrestrial planets. Earth and Planetary Science Letters. 345-348: 38-48. doi: 10.1016/j.epsl.2012.06.031
Courses
- ES1086F/G: Origin & Geology of the Solar System
- ES3315B: Metamorphic Petrology
- Planetary Science 9600Y: Planetary Science Seminar
- Planetary Science 9603: Planetary Science Short Course
