Research Scientist
at the Consortium for Electromagnetic Modeling and Inversion (CEMI), Dept. of Geology and Geophysics, University of Utah

Address:

University of Utah, Dept. of Geology and Geophysics, 1460 E., 135 S., WBB 717, Salt Lake City, UT 84112
Phone: (801) 585-3505
Fax: (801) 581-7065
E-mail: yoshioka@earth.utah.edu

Professional Interests:

Geoelectrical methods in exploration geophysics, especially electromagnetic method. Numerical forward modeling and inversion with non-linear natural phenomena.

Education:

• Ph. D. in geophysics, 2004, University of Utah [4], Salt Lake City, Utah, USA
• M.S. in mineral resources engineering, 1995, Waseda University [5], Tokyo, Japan
• B.S. in mineral resources engineering, 1993, Waseda University, Tokyo, Japan

Employment:

• Research scientist, 2006-Present, University of Utah, Salt Lake City, Utah, USA
• Postdoctoral research associate, 2004-2006, University of Utah, Salt Lake City, Utah, USA
• Research assistant, 1999-2004, University of Utah, SLC, USA
• Geophysicist, 1995-1999, Japan Oil, Gas and Metals National Corporation [2], Kanagawa, Japan (former Metal Mining Agency of Japan)

Member:

Society of Exploration Geophysicists (SEG) [3]

Honors:

• Nominated for outstanding Ph.D. student award in the Department of Geology and Geophysics, 2003, the University of Utah
• Chevron USA scholarship, 2002, SEG Foundation
• Gerald W. Hohmann Memorial Graduate scholarship, 2001, SEG Foundation
• Technical award, 2000, Resource Geology

Computer Skills:

Experience in implementing new ideas and correlating them with real data. Proficiency in coding a cross-languages environment in parallel on distributed memory machines

• Languages: C, C++, FORTRAN, JAVA, SQL, and Tcl/Tk
• Applications: ARC/INFO, ARCVIEW, ERMapper, MATLAB and Oracle
• Parallel computational packages: MPICH, ScaLAPACK, PBLAS, and PETSc
• Platforms on administrator level: Linux, MS Windows
• Platforms on user level: Mac-OS, UNIX (IBM SP-2, SUN Solaris, and SGI Origin 2000)

Publications (5 peer review papers, 10 expanded abstracts, 13 industry-sponsored reports):

Feebrey, C., Hishida, H., Yoshioka, K., and Nakayama, K., 1998, Geophysical Expression of Low Sulphidation Epithermal Au-Ag Deposits and Exploration Implications -Examples from the Hokusatsu Region of SW Kyushu, Japan-, Resource Geol., 48, 75-86.

Yajima, T., Matsumoto, T., Yoshiok,a K., and Nakayama, K., 1997, Geology and Exploration of the Seta Low Sulfidation Epithermal Gold Deposit, Eastern Hokkaido, Japan: Resource Geol., 47, 45-58.

Yoshioka, K., Zhdanov, M. S., 2005, Nonlinear regularized inversion of the array induced polarization data based on the Cole-Cole model: Phys. Earth Planet. Int., 150, 29-43.

Zhdanov, M. S., Lee, S. K., and Yoshioka, K.,, 2006, Integral equation method for 3D modeling of electromagnetic fields in complex structures with inhomogeneous background conductivity, Geophysics, in printing

Zhdanov, M. S., Yoshioka, K., 2003, Cross-well electromagnetic imaging in three dimensions, Exploration Geophsyics, 34, No. 1&2, 34-40.

Links (in alphabetical order) :

[1] Consortium for Electromagnetic Modeling and Inversion (CEMI)
[2] Japan Oil, Gas and Metals National Corporation (JOGMEC)
[3] Society of Exploration Geophysicists (SEG)
[4] University of Utah
[5] Waseda University

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Last modified: 09/07/2006