Geology Reference
In-Depth Information
6.9
Exercises
6.9.1
Vertical and Horizontal Exaggeration
Draw the cross section in Fig. 6.52 vertically exaggerated by a factor of 5 : 1. Draw the
cross section in Fig. 6.52 horizontally squeezed by a factor of 1 : 2.
6.9.2
Cross Section and Map Trace of a Fault
Draw an east-west cross section across the northern part of the structure contour map
in Fig. 6.53. Suppose a fault that dips 40° south cuts the structure in the blank area
between the arrows. What would its trace be on the structure contour map? Is the fault
normal or reverse? Draw a north-south cross section showing the fault.
6.9.3
Illustrative Cross Section from a Structure Contour Map 1
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. 6.52.
Cross section of a fold having
constant bed thickness in
shaded unit
Fig. 6.53.
Unfinished structure contour
map.
Arrows
indicate the gen-
eral position of the fault trace
