My research interests encompass a broad spectrum of geochemistry, including stable isotope geochemistry, volatile cycling, metamorphism and volatile transport in subduction zones, serpentinization, and fluid-rock interactions and metasomatism in the high-T environment. Most of my research involves using stable isotopes as a geochemical tracer of fluids in various tectonic settings. However, I have been involved in a wide range of research including, the isotopic composition of lunar samples and hyperarid soils.

I oversee the High Temperature Stable Isotope Lab which houses a ThermoElectron MAT 253, silicate laser extraction line, chlorine purification line, and TC/EA. The lab has the capabilities for oxygen, hydrogen, chlorine, nitrogen, carbon, and sulfur analyses in silicates (terrestrial and extraterrestrial), atmospheric and volcanic gases, carbonates, fluid inclusions, water, and phosphates.

http://www.jsg.utexas.edu/light-isotope/

Areas of Expertise

Stable isotope geochemistry, metamorphism and volatile transport in subduction zones, fluid-rock interaction and metasomatism, geochemical cycling, stable chlorine isotopes


Society for Teaching Excellence, member - University of Texas at Austin (2011)

G. Moses and Carolyn G. Knebel Distinguished Teaching Award - JSG (2010)

GSA Subaru Outstanding Woman in Science Award - Geological Society of America (2009)

L’Oréal USA For Women in Science Fellowship - American Association for the Advancement of Science on behalf of L’Oréal (2007 - 2008)

V.C. Kelly Outstanding Doctoral Candidate Scholarship - University of New Mexico (2006)

Best Doctoral Candidate - Department of Earth and Planetary Sciences, University of New Mexico (2006)

Sigma Xi “Excellence in Graduate Research” Award - University of New Mexico, Sigma Xi chapter (2006)

Association for Women in Science Educational Foundation Gail Naughton predoctoral award - AWIS (2005)

Association for Women Geoscientists (Denver Chapter) Outstanding Geoscience Student Award - AWG (2002 - 2003)

National Science Foundation Graduate Student Fellowship - NSF (2001 - 2004)

Graduate Students

Emily Cooperdock, Ph.D., expected 2017 (Committee Member)
Research Interests: Method development for (U-Th)/He analysis; Fe-oxide (U-Th)/He dating; X-Ray Computed Tomography application to geologic samples; timing of serpentinization in tectonic processes; trace element cycling during serpentinization; magnetite formation; U and Th partitioning during metamorphism

Edward W Marshall, Ph.D., expected 2017 (Co-supervisor)
My current research project looks at mantle hydration and metastomatism underneath the Colorado Plateau. My research will look into the timing and circumstances of the alteration as well as the rheologic implications on the stable Colorado Plateau. Prior research has been in the petrology and geochemistry of the Allsaw Anorthosite in the Ontario Grenville province, oxygen fugacity of the upper zone of the Bushveld Complex and the serpentinites of the Philadelphia area.

Owen A Callahan, Ph.D., expected 2017 (Committee Member)
I am interested in fluid flow in faults and fractures, specifically the interplay between chemical alteration, mechanical deformation, and conduit evolution in hydrothermal systems.

Jeffery T Cullen, Ph.D., expected 2016 (Supervisor)

Miguel Cisneros, M.S., expected 2013 (Supervisor)

Evan J Ramos (Co-supervisor)
I am a MS candidate interested in constraining fluid flow as a result of contact metamorphism. Through stable isotope geochemistry, geochronology, and thermobarometry, I plan to develop a numerical model to describe and characterize the mechanisms and processes that formed a skarn system in the Sierra Nevada Batholith.

Michelle L Gevedon (Supervisor)

Jessica Errico, M.S., 2012 (Supervisor)
The University of Texas at Austin


“Subduction Zone Cycling of Chlorine”, Yale University, (2011)

“The global chlorine cycle: a subduction zone perspective”, GeoPRISMS Implementation Workshop: Subduction Cycles and Deformation, (2011)

“Chlorine stable isotopes as a geochemical tracer in subduction zones", University of Texas at Arlington, (2009)

Chlorine stable isotopes as a geochemical tracer in subduction zones", University of New Mexico, (2009)

“Chlorine isotope distribution on Earth”, University of Houston, (2008)

“Chlorine isotope distribution on Earth”, University of California, Berkeley, (2008)

“Chlorine isotope distribution on Earth”, Rensselaer Polytechnic Institute, (2008)

“Tracing fluids in subduction zones using chlorine stable isotopes", Tufts University, (2008)

“Chlorine isotope distribution on Earth”, University of Texas at Austin, (2008)

“Studying serpentinization, seafloor tectonics, and arc volcanism using Cl stable isotopes”, Central Washington University, (2007)

“Studying serpentinization, seafloor tectonics, and arc volcanism using Cl stable isotopes”, New Mexico Tech, (2007)

“Studying serpentinization, seafloor tectonics, and arc volcanism using Cl stable isotopes”, Kansas State University, (2006)

“Tectonic and metamorphic implications of high chlorine contents in serpentinites”, University of Maine, (2006)

“Tectonic and metamorphic implications of high chlorine contents in serpentinites”, Rice University, (2006)

YearSemesterCourse
2015Spring GEO 394 Rsch In Hi-T Stbl Isotp Geochm
2014Fall GEO 401 Physical Geology
2014Fall GEO 394 Rsch In Hi-T Stbl Isotp Geochm
2014Spring GEO 371C/GEO 391 Ins Outs Of Subduction Zones
2014Spring GEO 394 Rsch In Hi-T Stbl Isotp Geochm
2013Fall GEO 401 Physical Geology
2013Fall GEO 394 Rsch In Hi-T Stbl Isotp Geochm
2013Spring GEO 394 Rsch In Hi-T Stbl Isotp Geochm
2012Fall GEO 401 Physical Geology
2012Fall GEO 394 Rsch In Hi-T Stbl Isotp Geochm
2012Spring GEO 371C/GEO 391 Ins & Outs Of Subduction Zones
2012Spring GEO 394 Rsch In Hi-T Stbl Isotp Geochm