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Department of Geology and Geophysics|People

Tanya Blacic

Postdoctoral Researcher

Office Phone: 307-766-3185
Fax: 307-766-6679

Geology and Geophysics
1000 E. University Ave.
Laramie, WY 82071
Office room no.: ESB 2038
Email: tblacic@uwyo.edu

Education

Geology, PhD, University of California at Davis, 2005
Civil and Environmental Engineering, MS, University of Calfornia at Davis, 1999
Civil and Environmental Engineering, BS, University of California at Davis, 1996

Research Projects

(current) 3D and time-lapse imaging of ocean fine structure from an industry multichannel seismic data set

(2006-2008) Converted phases analysis of the Campi Flegrei caldera, Italy, using active and passive seismic data

(2003-2008) Forward modeling of crustal flexure to investigate formation of the large axial high along the western Galapagos Spreading Center

(2001-2005) Relocation of earthquakes and detection of magma storage structure in the Lassen Peak region, northern California

(2000-2005) Presence, depth, and size of the axial magma chamber along the Galapagos Spreading Center and relation to axial morphology and the extrusive layer

(1998-1999) Electrical dispersion in relation to compressibility and swell of natural soils

Publications

Blacic, T. M., D. Latorre, M. Vassalo, and J. Virieux (2008), Converted phases analysis of the Campi Flegrei caldera using active seismic data, Tectonophysics, in press.

Blacic, T. M., G. Ito, A. K. Shah, J. P. Canales, and J. Lin (2008), Axial high topography and partial melt in the crust and mantle beneath the western Galapagos Spreading Center, Geochem. Geophys. Geosyst., 9, Q12005, doi:10.1029/2008GC002100.

Blacic, T. M., G. Ito, J. P. Canales, R. S. Detrick, and J. Sinton (2004), Constructing the crust of the Galapagos Spreading Center 91.3°-95.5°W: Correlation of seismic layer 2A with axial magma lens and topographic characteristics, Journal of Geophysical Research, 109(B10), B10310, doi:10.1029/2004JB003066.

Blacic, T. M., and J. McClain (2003), Earthquake relocation beneath the Lassen Peak region in northeastern California using cross-correlation and the double-difference method, Summer School on Tectonic-Magmatic Interaction, 31 August – 8 September, 2003, Geysir, South Iceland, Nordic Volcanological Institute report 0303, 7-8, Reykjavik, Iceland.

Detrick, R. S., J. M. Sinton, G. Ito, J. P. Canales, M. Behn, T. Blacic, B. Cushman, J. E. Dixon, D. W. Graham, and J. J. Mahoney (2002), Correlated geophysical, geochemical, and volcanological manifestation of plume-ridge interaction along the Galapagos Spreading Center, Geochem. Geophys. Geosyst., 3(10), 8501, doi:10.1029/2002GC000350.

Blacic, T. and K. Arulanandan (1999), Identification of Contaminated Soils by Dielectric Constant and Electrical Conductivity, Discussion, Journal of Environmental Engineering, ASCE, 125(1), 103-105.

Research Statement

My current research is in the exciting new field of seismic oceanography. Using multichannel seismic data that is normally collected to image structures below the seafloor, we can image features (fine structure) in the ocean that are related to changes in the sound speed of the water. Thus far, spectacular 2D images of fronts, currents, and eddies have been published by other researchers. My work will result in the first 3D images of ocean fine structure and will provide an example of what kind of new information we can extract from 3D seismic data in the oceans.

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