7. Glossary
Diaclase; joint
Discontinuity within the rock, without relative displacement of the two separate blocks, and intersecting, generally perpendicularly, the stratification planes of sedimentary rocks.
Discontinuity; joint
A discontinuity is a surface marking a break in the continuity of the rock matrix.
Scale effect
A property is said to be subject to a scaling effect when its measured value varies according to the dimensions of the sample tested.
Sponge; wall
Each of the two edges (or lips) of a crack (in this context).
Faille; fault
Singular discontinuity corresponding to a fracture plane resulting from brittle behavior, marked by a relative displacement of the two parts...
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