A vertical fault strikes N90E across a horizontal plain. A telephone pole happens to be planted...

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A vertical fault strikes N90°E across a horizontal plain. A telephone pole happens to be planted exactly on the fault trace, and two nonparallel veins are offset by the fault. The strike separation of the veins as measured on the ground surface is described in the following table. All distances are measured to the west of the the telephone pole. Distance between telephone pole and inter- section of the dike with the N side of fault Distance between telephone pole and inter- section of the dike with the S side of fault Attitude Dike 400 m 600 m 340°,30°NE 300 m 100 m 040°,50°NW (a) What is the bearing, plunge, and value of the net-slip line that characterizes movement on the fault? (b) Which side of the fault moved relatively up, prior to erosion and creation of the present ground surface? (c) Is this a dip-slip, oblique-slip, or strike-slip fault? A vertical fault strikes N90°E across a horizontal plain. A telephone pole happens to be planted exactly on the fault trace, and two nonparallel veins are offset by the fault. The strike separation of the veins as measured on the ground surface is described in the following table. All distances are measured to the west of the the telephone pole. Distance between telephone pole and inter- section of the dike with the N side of fault Distance between telephone pole and inter- section of the dike with the S side of fault Attitude Dike 400 m 600 m 340°,30°NE 300 m 100 m 040°,50°NW (a) What is the bearing, plunge, and value of the net-slip line that characterizes movement on the fault? (b) Which side of the fault moved relatively up, prior to erosion and creation of the present ground surface? (c) Is this a dip-slip, oblique-slip, or strike-slip fault?