Which of the following best describes sets of fractures in relatively fresh bedrock, such as granite, that are roughly parallel to the land surface?
A) hydrolytic failures
B) columnar joints
C) thermal expansion cracks
D) sheeting fractures

Question

Quizplus · Accepted Answer

Sheet fractures occur in response to removal of overlying rocks, leading to release of the pressure that causes compression in the subsurface. These fractures are roughly parallel to the surface and occur in a predictable pattern.

Which of the Following Best Describes Sets of Fractures in Relatively