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Deformation, metamorphism, and crustal seismic anisotropy


Publications (students underlined)

Schulte-Pelkum, V., Mahan, K.H., Shen, W., and Stachnik, J., 2016, Proterozoic assembly signature and its overprint in lower crustal seismic velocity structure across North America, GSA annual meeting, Denver, CO.

Condit, C., Orlandini, O.F., Mahan, K.H., Schulte-Pelkum, V., and Rattanasith, D., 2015, The role of hornblende in deep crustal seismic anisotropy: an investigation of the importance of deformation mechanisms, AGU Annual Fall meeting, San Francisco.

Mahan, K.H., Schulte-Pelkum, V., Condit, C.B., Baird, G.B., Allaz, J.A., and Kelly, N.M., 2015, Localized shear zones versus distributed tectonic fabrics: An example from geologic and seismic observations in Proterozoic Colorado basement, GSA Annual meeting, Baltimore, MD.

Schulte-Pelkum, V. and Mahan, K.H., 2014, Imaging faults and shear zones using receiver functions, PAGEOPH, Topical Volume on Crustal Fault Zones, DOI 10.1007/s00024-014-0853-4.

Schulte-Pelkum, V. and Mahan, K.H., 2014, A method for mapping crustal deformation and anisotropy with receiver functions and first results from USArray, Earth and Planetary Science Letters, v. 402, p. 221-233.

Mahan, K.H. and Schulte-Pelkum, V., 2013, Foliation mapping at depth using receiver functions, AGU Fall meeting, San Francisco.

Rattanasith, D., Mahan, K.H., Schulte-Pelkum, V., and Condit, C., 2013, Deep crustal shear zone development and implications for seismic anisotropy: An example from southwestern Montana, AGU Fall meeting, San Francisco.

Ward, D., Mahan, K., and Schulte-Pelkum, V., 2012, Roles of quartz and mica in seismic anisotropy of mylonites, Geophysical Journal International, doi:10.1111/j.1365-246X.2012.05528.x.

Mahan, K.H., Leslie, S., Schulte-Pelkum, V., Regan, S., and Williams, M.L., 2011, Seismic anisotropy patterns in deep continental crust: Examples from an exhumed high pressure terrane in the western Canadian Shield, GSA Annual Meeting, Minneapolis.

Leslie, S., Mahan, K.H., Regan, S., and Williams, M.L., 2011, The role of temperature and fluid content in sillimanite deformation and recrystallization mechanisms in felsic granulite, Athabasca granulite terrane, western Canadian Shield, GAC-MAC Annual Meeting, Ottawa, Canada.

Schulte-Pelkum, V. and Mahan, K., 2011, Deep crustal anisotropy and its distortion through the seismological lens, AGU Fall meeting, San Francisco.

Ward, D.E., Walck, S.D., Mahan, K.H., Geiss, R., 2010, Improving phyllosilicate electron backscatter diffraction data using ion milling, AGU fall meeting, San Francisco, CA.

Mahan, K.H., 2006, Retrograde mica in deep crustal granulites: implications for crustal seismic anisotropy, Geophysical Research Letters, v. 33, L24301, doi:10.1029/2006GL028130.



Photos and Images

from Mahan (2006)

EBSD and anisotropy data, Leucite Hills, WY xenoliths

NSillimanite EBSD texture map S. Leslie’s MSc thesis

EBSD and anisotropy of amphibolite mylonite, Athabasca Granulite Terrane

   


More publications

Ward, D. and Mahan, K., 2010, Relative influence of quartz microstructure on crustal seismic anisotropy, Rocky Mountain GSA sectional meeting, Rapid City, SD.

Mahan, K.H., 2009, Influence of metamorphic and deformation processes on the evolution of crustal seismic anisotropy, GSA Annual Meeting, Portland, OR.

Mahan, K.H., Blackburn, T., Schulte-Pelkum, V., Sheehan, A., and Bowring, S.A., 2008, Hydration and deformation in the lower crust of southern Wyoming: evidence from Leucite Hills crustal xenoliths and implications for the evolution of seismic structure in the Wyoming Craton, GSA Annual Meeting, Houston, TX.

Mahan, K.H., Schulte-Pelkum, V., and Sheehan, A., 2008, Anisotropic ground truth: Integrating petrological and seismic observations from the crust of the Cheyenne Belt Continental Suture, AGU Fall meeting, San Francisco, CA, U51B.