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?
In a mine, a tabular dyke has an
apparent dip of 14° to 270° in one tunnel and 25° to 169° in another tunnel. What is the true strike and dip of the dyke?
4
Plot the planes of the limbs of an anti formal fold dipping at 50N/101 and 605/065.
The point where the two planes intersect indicates the plunge of the fold. What is it?
