Figure 10.5 shows a map of a mine adit and a series of minor faults that occur in a homogeneous rock unit. Plot the fault planes on the equal-area net and determine the orientation of the stress ellipsoid.

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225 30 30 210- UD 012 DU 041 DU DU 184 035 47 25 U 15 D 140 D 0 10 ADIT 105 20 30 40 N T 50 feet Fig. 10.5 Map view of a mine adit, showing the attitude and sense of motion on eight faults. For use in Problem 10.3. D, down; U, up.