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Discussion

Structural geology is concerned with

  • A.the sequence and correlation of strata
  • B.the extraction of economic ore deposits
  • C.the deformation of rock masses
  • D.the identification of minerals in hand specimen

Answer: C

Correct answer: the deformation of rock masses

Structural geology deals with how rock has been folded, faulted, jointed and sheared, and with the stresses that produced those features. For an engineer it is the most immediately useful branch, since the orientation of a joint set or a fault decides whether a slope stands or a tunnel needs support.

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