3-D Structural Geology
Exercise 6.9.3
Illustrative Cross Section from a Structure Contour Map 1
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Draw a cross section perpendicular to the major structural trend in Fig. 6.54. Discuss any assumptions required. What are the dips of the faults? Are the faults normal or reverse?
Fig. 6.54. Structure contour map of the top of the Gwin coal cycle. Elevations of the top Gwin are posted next to the wells. Units
are in feet, negative below sea level
R. H. Groshong, 3-D Structural Geology, 2nd ed., © Springer-Verlag 2006