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Magnetotelluric tensor decomposition; Part II, Examples of basic procedure



Magnetotelluric tensor decomposition; Part II, Examples of basic procedure



Geophysics 63(6): 1898-1907



The decomposition procedure suggested for magnetotelluric (MT) data in a companion paper is illustrated by examples. Adjacent pairs of stations are examined to test for common features in their MT response. The method analyzes the real and quadrature parts of an impedance tensor separately, and the results for the real and quadrature parts are compared, and in some cases combined, at the end. Values are obtained which are interpreted directly in terms of nearest 2-D principal impedances, local geologic strike, and regional geologic strike. The requirement for valid data derived in the companion paper, that Z (sub xyr) Z (sub yxr)

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