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A structural contour, or stratum contour, is a line joining points of equal

  • A.dip within a particular formation
  • B.elevation on a particular bedding surface
  • C.elevation on the ground surface
  • D.thickness of a particular bed

Answer: B

Correct answer: elevation on a particular bedding surface

Structural contours describe the shape of a buried surface exactly as topographic contours describe the ground: closely spaced where the bed is steep, widely spaced where it is gentle, and closing round a dome or basin. They are the working tool for predicting the depth to a bed at any point.

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