- Dr Henrietta Cathey
- Research Officer (Electron Microprobe)
Science and Engineering Faculty,
Earth, Environmental and Biological Sciences,
Geology & Geochemistry
- Discipline *
- +61 7 3138 0416
- +61 7 3138 5100
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- Identifiers and profiles
PhD (University of Utah)
- Professional memberships
Australian Microscopy & Microanalysis Society ⎢ Mineralogical Society of America ⎢American Geophysical Union ⎢ Geological Society of America
Volcanology, Igneous petrology, Electron Probe Microanalysis (EPMA), Yellowstone hotspot, Silicic magma, Ash flow tuff
Prior to joining the Central Analytical Research Facility (CARF) at QUT in 2015, I held positions as Research Assistant Professor in the LeRoy Eyring Center for Solid State Science at Arizona State University (2013-2015), and Adjunct Assistant Professor at the University of Utah (2009-2012).
Broadly, my research interests lie in igneous petrology and volcanology, and the application of microanalytical techniques to quantify the elemental and isotopic compositions of rocks and minerals.
An early interest in the relationship of igneous magmatism to the origins of continental crust led to study of the life-cycles of large continental volcanic systems that produce voluminous explosive eruptions. The track of the Yellowstone hotspot in the central Snake River Plain of southern Idaho, USA – where the passage of the North American continent over a mantle hotspot has left the deposits of numerous volcanic supereruptions – has been the locus for my research. With the aim of constraining timescales, identifying the source materials for melting, and deciphering processes involved in the accumulation and storage of large bodies of pre-eruptive magma, I use a variety of micro-analytical techniques to decipher the information stored in the minerals and glass of silicic tuffs and lavas. As an outgrowth of this research, I maintain an active interest in using the field-emission electron microprobe for quantitative analysis of small particles (natural and synthetic) at the sub-micron level.
My teaching background includes laboratory-intensive courses at the undergraduate level at the University of Utah where I taught igneous and metamorphic petrology, global environmental change, and introductory earth science courses. In my more recent role as a research scientist and laboratory manager I instruct student and faculty users of the Central Analytical Research Facility (CARF) in the theory and practice of electron probe microanalysis applied across disciplines in materials and earth science, and also serve in a co-supervisory role for graduate student research projects.
Prior to joining the Central Analytical Research Facility (CARF) at QUT, I held positions as Research Assistant Professor in the LeRoy Eyring Center for Solid State Science (LE-CSSS) at Arizona State University (2013-2015), and Adjunct Assistant Professor at the University of Utah (2009-2012).
- Fournelle J, Cathey H, Pinard PT, Richter S, (2016) Low voltage EPMA: experiments on a new frontier in microanalysis - analytical lateral resolution, IOP Conference Series: Materials Science and Engineering p1-13
- Almeev RR, Bolte T, Nash BP, Holtz F, Erdmann M, Cathey H, (2012) High-temperature, low-H2O Silicic Magmas of the Yellowstone hotspot: an experimental study of Rhyolite from the Bruneau-Jarbidge Eruptive Center, Central Snake River Plain, USA, Journal of Petrology p1837-1866
- Morgan LA, Cathey H, Pierce KL, (2009) The track of the Yellowstone hotspot: Multi-disciplinary perspectives on the origin of the Yellowstone-Snake River Plain Volcanic Province, Journal of Volcanology and Geothermal Research pv-vi
- Cathey H, Nash BP, (2009) Pyroxene thermometry of rhyolite lavas of the Bruneau-Jarbidge eruptive center, Central Snake River Plain, Journal of Volcanology and Geothermal Research p173-185
- Cathey H, Nash BP, (2004) The Cougar Point Tuff: Implications for thermochemical zonation and longevity of high-temperature, large-volume silicic magmas of the Miocene Yellowstone hotspot, Journal of Petrology p27-58
For more publications by this staff member, visit QUT ePrints, the University's research repository.