Curriculum vitae
Cody J. Steven
Moscow, ID 83843
Education
B.S. Geology, University of Idaho, Moscow, ID May 2014
Ph.D. Geology, University of Idaho August 2020
Employment History
Work Study student
Idaho Geological Survey, University of Idaho 2010 – 2013
Research Assistant
Department of Geological Sciences, University of Idaho 2012 – 2014
Research Assistant
Idaho Geological Survey, University of Idaho 2013 – 2014
Teaching Assistant
University of British Columbia 2014 – 2015
Teaching Assistant
University of Idaho 2016 – 2018
Research Assistant
University of Idaho 2018 – 2020
Postdoctoral Researcher
Planetary Science Institute 2020 – present
Research Interests
Mineralogy, optical mineralogy, transmission electron microscopy, X-ray crystallography.
Teaching Experience
University of British Columbia
Teaching Assistant: Introduction to Gems and Minerals (Fall 2014), Field
Techniques (Spring 2015), Geomorphology (Fall 2015), Petrology (Fall 2015)
University of Idaho
Teaching Assistant: Geology 101 (Spring 2016), Petrology (Fall 2016, 2017),
Mineralogy (Spring 2017, 2018), Field Geology 2 (Summer 2016, 2017, 2018,
2019)
Skills
Current projects
Optical and Crystallographic Calculations for Orienting Anisotropic Minerals
• Created a spreadsheet that calculates the optical orientation and crystallographic orientation of minerals using extinction data on a spindle stage or universal stage.
• Developed spreadsheets containing supplementary calculations for determination of mineral refractive indices using the double variation method
• Integrated methods for optical and crystallographic orientation solution to characterize minerals
• Corrected a discrepancy in reference text between the crystallographic setting and principle optical vectors of clinoamphiboles
Oriented XANES and structural refinement of pyroxenes.
• Developed an empirical model for analyzing ferric-ferrous ratio in pyroxenes
• Modeled polarization effects of anisotropic single crystals in XANES
• Solved and refined crystal structures of pyroxenes with SC-XRD
Structural variation in antigorite from western Idaho.
• Characterized and indexed polysomatic variation in antigorite structures using HRTEM and SAED
• Evaluated structural differences in different generations of antigorite
• Constructed a crystallographic model for two-layer antigorite in 3+1D
Nanotextures of ultramafic mineral assemblages from western Idaho.
Publications
Steven, C.J., and Gunter, M.E. (2020). EXCALIBR to EXCELIBR and the optical orientation of minerals: Correcting the optical orientation of clinoamphiboles. American Mineralogist: Journal of Earth and Planetary Materials, 105(6), 955-962.
Steven, C.J., and Gunter M.E. (2017). EXCELIBR: An Excel Spreadsheet for Solving the Optical Orientation of Uniaxial and Biaxial Crystals. The Microscope 65 (4), 147-152.
Schmidt, K.L., Gray, K.D., Lewis, R.S., Steven, C.J., and Isakson, V.H. (2016). Mesozoic tectonics west of the accretionary boundary in west-central Idaho: A road log along US Highway 95 between Moscow and New Meadows, Idaho. Exploring the geology of the inland northwest: Geological Society of America Field Guide, 41, 175-209.
Awards
Alumni Achievement Award, Geology, University of Idaho 2014, 2018
Outstanding Graduate in Geology, University of Idaho 2019
Dean’s Graduate Award in Geological Sciences, University of Idaho 2020
Conference Abstracts
Steven, C. J. (2013, October). Petrogenesis and Field Relations of a Serpentinite Body Near Riggins, Idaho. In 2013 GSA Annual Meeting in Denver.
Steven, C. J., and Lewis, R.S. (2016, May). Island-Arc Serpentinite in West-Central Idaho, Analog for Modern-Day Marianas Serpentinite? In 2016 Rocky Mountain Section Meeting in Moscow.
Steven, C.J. and Gunter, M.E. (2017). EXCELIBR: An Excel Spreadsheet for Solving the Optical Orientation of Uniaxial and Biaxial Crystals. Inter/Micro 2017. McCrone Research Institute.
Steven, C.J. and Gunter, M.E. (2017). An Excel Spreadsheet for Solving the Optical
Orientation of Uniaxial and Biaxial Crystals. In 2017 GSA Annual Meeting in Seattle.
Steven, Cody J., Dyar, M. Darby, McCanta, Molly C. (2018). Determination of Ferric-Ferrous Ratio in Pyroxenes with X-ray Absorption Spectroscopy. In 2018 GSA Annual Meeting in Indianapolis.
Steven, Cody J. (2019). Textural Variation in Ultramafic Mineral Assemblages from Western Idaho. In 2019 GSA Annual Meeting in Phoenix.
Professional Affiliations
Mineralogical Society of America member
Geological Society of America member
Cody J. Steven
Moscow, ID 83843
Education
B.S. Geology, University of Idaho, Moscow, ID May 2014
Ph.D. Geology, University of Idaho August 2020
Employment History
Work Study student
Idaho Geological Survey, University of Idaho 2010 – 2013
Research Assistant
Department of Geological Sciences, University of Idaho 2012 – 2014
Research Assistant
Idaho Geological Survey, University of Idaho 2013 – 2014
Teaching Assistant
University of British Columbia 2014 – 2015
Teaching Assistant
University of Idaho 2016 – 2018
Research Assistant
University of Idaho 2018 – 2020
Postdoctoral Researcher
Planetary Science Institute 2020 – present
Research Interests
Mineralogy, optical mineralogy, transmission electron microscopy, X-ray crystallography.
Teaching Experience
University of British Columbia
Teaching Assistant: Introduction to Gems and Minerals (Fall 2014), Field
Techniques (Spring 2015), Geomorphology (Fall 2015), Petrology (Fall 2015)
University of Idaho
Teaching Assistant: Geology 101 (Spring 2016), Petrology (Fall 2016, 2017),
Mineralogy (Spring 2017, 2018), Field Geology 2 (Summer 2016, 2017, 2018,
2019)
Skills
- Powder XRD (Siemens/Bruker D5000)
- Sample preparation and running scan routines for powder XRD
- Familiarity with the MDI-Jade software suite for diffraction pattern indexing along with whole-pattern fitting and refinement
- Experience with maintenance of powder diffractometers
- Single crystal X-ray diffraction and crystal structure determination
- Experience with maintenance of a single crystal XRD
- Polarized Light Microscopy
- Optical characterization of minerals using spindle stage and universal stage methods
- Petrographic analysis of rocks and preparation of petrographic polished thin sections
- Familiarity with dispersion staining methods
- Scanning Electron Microscopy (Zeiss Leo FE)
- Experience with sample preparation methods for SEM, including carbon coating and polished epoxy mounts
- Experience with EDS acquisition and interpretation
- Familiarity with EBSD
- Transmission Electron Microscopy (JEOL JEM 2010)
- Experience with sample preparation methods, including grain mounts, and in situ sample mounts with argon ion milling
- Experience with selected area and convergent beam electron diffraction
- Experience with high resolution transmission electron microscopy and image simulation
- Experience with maintenance of TEM’s and argon ion mills.
- Field Geology
- Experience with geologic mapping and sampling methods
Current projects
Optical and Crystallographic Calculations for Orienting Anisotropic Minerals
• Created a spreadsheet that calculates the optical orientation and crystallographic orientation of minerals using extinction data on a spindle stage or universal stage.
• Developed spreadsheets containing supplementary calculations for determination of mineral refractive indices using the double variation method
• Integrated methods for optical and crystallographic orientation solution to characterize minerals
• Corrected a discrepancy in reference text between the crystallographic setting and principle optical vectors of clinoamphiboles
Oriented XANES and structural refinement of pyroxenes.
• Developed an empirical model for analyzing ferric-ferrous ratio in pyroxenes
• Modeled polarization effects of anisotropic single crystals in XANES
• Solved and refined crystal structures of pyroxenes with SC-XRD
Structural variation in antigorite from western Idaho.
• Characterized and indexed polysomatic variation in antigorite structures using HRTEM and SAED
• Evaluated structural differences in different generations of antigorite
• Constructed a crystallographic model for two-layer antigorite in 3+1D
Nanotextures of ultramafic mineral assemblages from western Idaho.
- Characterized asbestiform mineral types and textures from western Idaho
- Tabulated mineral defects that are associated asbestiform minerals
Publications
Steven, C.J., and Gunter, M.E. (2020). EXCALIBR to EXCELIBR and the optical orientation of minerals: Correcting the optical orientation of clinoamphiboles. American Mineralogist: Journal of Earth and Planetary Materials, 105(6), 955-962.
Steven, C.J., and Gunter M.E. (2017). EXCELIBR: An Excel Spreadsheet for Solving the Optical Orientation of Uniaxial and Biaxial Crystals. The Microscope 65 (4), 147-152.
Schmidt, K.L., Gray, K.D., Lewis, R.S., Steven, C.J., and Isakson, V.H. (2016). Mesozoic tectonics west of the accretionary boundary in west-central Idaho: A road log along US Highway 95 between Moscow and New Meadows, Idaho. Exploring the geology of the inland northwest: Geological Society of America Field Guide, 41, 175-209.
Awards
Alumni Achievement Award, Geology, University of Idaho 2014, 2018
Outstanding Graduate in Geology, University of Idaho 2019
Dean’s Graduate Award in Geological Sciences, University of Idaho 2020
Conference Abstracts
Steven, C. J. (2013, October). Petrogenesis and Field Relations of a Serpentinite Body Near Riggins, Idaho. In 2013 GSA Annual Meeting in Denver.
Steven, C. J., and Lewis, R.S. (2016, May). Island-Arc Serpentinite in West-Central Idaho, Analog for Modern-Day Marianas Serpentinite? In 2016 Rocky Mountain Section Meeting in Moscow.
Steven, C.J. and Gunter, M.E. (2017). EXCELIBR: An Excel Spreadsheet for Solving the Optical Orientation of Uniaxial and Biaxial Crystals. Inter/Micro 2017. McCrone Research Institute.
Steven, C.J. and Gunter, M.E. (2017). An Excel Spreadsheet for Solving the Optical
Orientation of Uniaxial and Biaxial Crystals. In 2017 GSA Annual Meeting in Seattle.
Steven, Cody J., Dyar, M. Darby, McCanta, Molly C. (2018). Determination of Ferric-Ferrous Ratio in Pyroxenes with X-ray Absorption Spectroscopy. In 2018 GSA Annual Meeting in Indianapolis.
Steven, Cody J. (2019). Textural Variation in Ultramafic Mineral Assemblages from Western Idaho. In 2019 GSA Annual Meeting in Phoenix.
Professional Affiliations
Mineralogical Society of America member
Geological Society of America member
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