题目内容

Reverse faults are usually produced by compressional forces.

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The following is a sketch diagram showing different contact relationships, between which layers you may find the intrusive contact, angular unconformity and the conformity?

A and C, A and B, E and F
B. A and B, A and C, E and F
C. B and C, E and F, D and E
D. A and B, A and C, D and E

Nonconformity is also called sedimentary contact and disconformity is called parallel unconformity.

The evidences of faults in the field incude:

A. slickenside
B. fault breccia
C. fault gouge
D. drag fold
E. fault scarps

Fault gouge is very fine-grained, unconsolidated material consisting of pulverized rock fragments.