1. Plot the orientations of the following stretching lineations, and determine their plunge and plunge direction:
pitches 06° N on 351 °/37° E
pitches 79° W on 285°/62° N
pitches 42° N on 358°/86°E
Also, plot the poles to the above planes on your stereo net.
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2. Two fractures have the following orientations: 067°/38° SE, and 291 °/76° SW.
What is the plunge and plunge direction of the intersection of the two fractures?
What is the angle between the two fractures?
3. Along a vertical railway cutting, a bed has an apparent dip of 20° to 298°. If the bed strikes 067°, what is the true dip and dip direction?
