Phases greater than 90° in MT data: Analysis using dimensionality tools
An example of magnetotelluric data is discussed which has distinctive phase values out of quadrant, and for which the Zxx element of the measured tensor is greater than the Zxy element in both real and quadrature parts. Mohr circle plots and principal value decompositions of the real and quadrature parts of the tensor clarify its understanding. An analysis of rotational invariants of the data suggests a case of galvanic distortion of a 2D structure. Results from phase tensor analysis are...[Show more]
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|Source:||Journal of Applied Geophysics|
|01_Lilley_Phases_greater_than_90°_in_MT_2010.pdf||1.08 MB||Adobe PDF||Request a copy|
|02_Lilley_Phases_greater_than_90°_in_MT_2010.pdf||1.25 MB||Adobe PDF||Request a copy|
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