extensive dilatancy anisotropy | Energy Glossary

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extensive dilatancy anisotropy

1. n. [Geophysics]

A form of azimuthal anisotropy that occurs when fractures or microcracks are not horizontal. Waves that travel parallel to the fractures have a higher velocity than waves traveling perpendicular to fractures.

Alternate Form: EDA

See: azimuthfracturewave