Abstract

Summary. A method for the determination of the anisotropic characteristics of rock samples by acousto-polarization analysis is described. Linearly polarized shear-waves generated by a transducer, propagate through a sample and are recorded by a polarized receiver. Measurements are made by rotating the sample first with the polarization vectors of source and receiver aligned parallel, and rotating again with the polarization vectors orthogonal. The method can determine the orientation of the anisotropic symmetry axes, and can be used to examine linear anisotropic absorption. Use of the method is illustrated by application to strongly anisotropic rocks. It appears to be an effective means of determining the elastic characteristics of rock samples and other anisotropic media.

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