B.A., 2005, Oberlin College
Major: Geology
Minor: Physics
Ph.D., 2012, UMN
Lab: 261 Kolthoff Hall
Email: stan0525 at umn.edu
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My dissertation research focused on the role of volatiles in martian magmatic processes with a view towards understanding how the early martian atmosphere may have developed. My first paper was a study of CO2 solubility in martian basalts as a function of pressure and temperature in order to determine the possible thickness of the initial martian atmosphere. Thermodynamic calculations published by Hirschmann and Withers (2008) indicate that CO2 degassing from a graphite-bearing, reduced mantle is slow and could not lead to an atmosphere capable of sustaining liquid water on the surface. These data create questions regarding the current formation models of the martian atmosphere. However, these calculations were found experimentally from terrestrial basalts and so my work focused on calibrating these calculations on martian basaltic compositions.
Subsequent work has focused on the compositional dependence of CO2 solubility by utilizing a more primitive martian composition based on the olivine-pyric shergottite Yamato 980459. My dissertation research was wrapped up with a study on the solubility of C-O-H volatiles in graphite-saturated martian basalts, as my two previous studies were based on models of such systems and experiments were still required to validate the assumptions. I have shifted topics since defending my dissertation and will be focusing on the variables involved in melting of peridotite in the terrestrial mantle.
All of my experiments are analyzed using the JEOL JXA-8900 electron microprobe at UMN. Volatile abundances are determined using the Bruker FTIR in our Experimental Petrology Group and the SIMS at Arizona State University.
Laboratory courses taught in the past:
- Spring 2011 - GEO 1005 "Geology and Cinema"
- Spring 2008 - GEO 1001 "Earth and Its Environments"
- Fall 2007 - GEO 1006 "Oceanography"
- Stanley, B.D., Hirschmann, M.M., and Withers, A.C. (submitted) Solubility of C-O-H volatiles in graphite-saturated martian basalts.
- Ardia, P., Hirschmann, M.M., Withers, A.C., and Stanley, B.D. (in press) 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. doi: 10.1016/j.gca.2013.03.028
- Stanley, B.D., Schaub, D.R.*, and Hirschmann, M.M. (2012) CO2 solubility in primitive martian basalts similar to Yamato 980459, the effect of composition on CO2 solubility of basalts, and the evolution of the martian atmosphere. American Mineralogist. 97:1841-1848. doi: 10.2138/am.2012.4141
- Stanley, B.D., Hirschmann, M.M., and Withers, A.C. (2011) CO2 solubility in martian basalts and martian atmospheric evolution. Geochimica et Cosmochimica Acta. 75:5987-6003. doi: 10.1016/j.gca.2011.07.027
- Stanley, B.D., Hirschmann, M.M., and Withers, A.C. (2012) Solubility of C-O-H volatiles in graphite-saturated martian basalts and application to martian atmospheric evolution. Poster presentation at the AGU Fall Meeting, San Francisco, CA. Abstract P23A-1918.
- Hirschmann, M.M., Withers, A.C., Ardia, P., Stanley, B.D., Foley, N. (2012) Reduced Magmatic Volatiles (invited). Oral presentation at the AGU Fall Meeting, San Francisco, CA. Abstract DI54A-05.
- Hervig, R.L., Chen, J., Schauer, S.N., Stanley, B.D., Moore, G.M., and Roggensack, K. (2012) Advances in charge-compensation in secondary ion mass spectrometry (SIMS). Oral presentation at the AGU Fall Meeting, San Francisco, CA. Abstract V12A-07.
- Schaub, D.S.*, Stanley, B.D., and Hirschmann, M.M. (2012) Experimental investigation of CO2 solubility in primitive martian basalts similar to Yamato 980459 and implications for the martian atmosphere. Poster presentation at the 43rd Annual Lunar and Planetary Science Conference, Houston, TX. Abstract #2265. PDF version: abstract
- Stanley, B.D. and Hirschmann, M.M. (2012) Solubility of C-O-H volatiles in graphite-saturated martian basalts. Oral presentation at the 43rd Annual Lunar and Planetary Science Conference, Houston, TX. Abstract #2050. PDF version: abstract
- Stanley, B.D., Schaub, D.S.*, and Hirschmann, M.M. (2011) CO2 solubility in primitive martian basalts similar to Yamato 980459 and the evolution of the martian atmosphere. Poster presentation at the AGU Fall Meeting, San Francisco, CA. Abstract P21A-1651. PDF version: abstract and poster
- Stanley, B.D., Mounier, M.T.*, and Hirschmann, M.M. (2010) Experimental Investigation of CO2 Solubility in martian Basalts with Varied Oxidation State and Applications to martian Atmospheric Evolution. Poster presentation at the 41st Annual Lunar and Planetary Science Conference, Houston, TX. Abstract # 1667. PDF version: abstract and poster
- Stanley, B.D., Hirschmann, M.M., and Withers, A.C. (2009) CO2 Solubility in martian Basalts and Applications to Atmospheric Evolution. Oral presentation at the Lunar and Planetary Science Conference, Houston, TX. Abstract # 1952. PDF version
