Fill in the blanks for the following three statements using the word bank below.

Question

Fill in the blanks for the following three statements using the word bank below.

IMPORTANT: Please type the exact same word from the word bank in the blanks. Some words can be used multiple times. Each "________" really represents ONE blank.

Word Bank: shearing, tensional, compressional, horizontal, vertical, convergent, divergent, transform

1. Thrust/reverse faults are produced by_____forces in a stress field with sigma1_______ , sigma2________ , sigma3 _________ , and are the dominate type of fault in _________settings.

2. Normal faults are produced by_______ forces in a stress field with sigma1_______ , sigma2________ , sigma3 _________ , and are the dominate type of fault in _________settings.

3. Strike-slip faults are produced by_______ forces in a stress field with sigma1_______ , sigma2________ , sigma3 _________ , and are the dominate type of fault in _________settings.

Explanation / Answer

1. Thrust/reverse faults are produced by compressional forces in a stress field with sigma1 horizontal, sigma2 horizontal , sigma3 vertical, and are the dominate type of fault in convergent settings.

2. Normal faults are produced by tensional forces in a stress field with sigma1 vertical , sigma2 horizontal, sigma3 horizontal , and are the dominate type of fault in divergent settings.

3. Strike-slip faults are produced by shearing forces in a stress field with sigma1 horizontal , sigma2 vertical , sigma3 horizontal, and are the dominate type of fault in transform settings

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