Environmental Engineering Reference
In-Depth Information
Unconformity
Reverse fault
N
A
B C D
D U
20
65
65
75
60
B
B΄
Projected
contacts
B
B΄
Cross
section
A
B
C
D
FIGURE 5.6
Concept of strike and dip as depicted on a map.
Urban setting
Underlaying geologic strata
4
4
3
2
1
FIGURE 5.7
Urban setting showing underlying geologic units at a site.
Contact
Formation
4
3
4
FIGURE 5.8
Geologic site map of area shown in Figure 5.7.
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