The work is devoted to modeling the influence of different types of cracks on the acoustic and elastic parameters quartz-magnetite-pyroxene crystalline shales group of samples from the Pishchans`ka iron ore structure. Models include ordered, chaotic and combined cracks, as well as the influence of the format and concentration of cracks. The authors calculated the complete set of components of the matrix of elastic constants, determined the differential coefficient of elastic anisotropy.

The results showed high anisotropy of the models and a significant effect of ordered cracks on the value of the differential coefficient of elastic anisotropy and other elastic parameters. According to the results, stereoprojections of the index surfaces of the obtained parameters were constructed and analyzed. A comparison of the basic sample and models is also given.


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