A wedge at the base of the Sierra Nevada broke off sometime between 10 and 3 million years ago in a process called __________.

1 answer:

5 0

Based on the information given regarding the wedge, it should be noted that the process is known as delamination.

Delamination simply means the separation along a plane that's parallel to a surface. It's the mode of failure where a material fracture into layers.

The wedge at the base of the Sierra Nevada that broke off was due to delamination. It's typically caused by matrix cracking and the bending of cracks.

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