What type of deformation occurs if the rocks subjected to stress is brittle?

If rocks subjected to stress are brittle, they are more likely to undergo brittle deformation. This type of deformation occurs when rocks break or fracture under stress, without significant plastic deformation or permanent change in shape. Brittle deformation is common in rocks that are cold, have low confining pressure, or are composed of brittle minerals. It often results in the formation of faults, joints, or fractures in the rocks.