EAS105 Lecture Notes - Lecture 6: Outcrop, San Andreas Fault, Azimuth
7 Mar 2018
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Chapter 10, p. 234-255 the changing earth 7e. ]: a low strain rate favours ductile deformation, a high strain rate favours brittle deformation, and a very high strain rate favours elastic deformation. Highest - elastic rebound theory - elastic deformation (highest strain rates) [think of a ball hitting the ground and bouncing back up, regaining its normal shape] High - brittle - think of earthquakes - rocks snap, you can see and hear it. 10. 5: strike this is the direction or bearing, in azimuth form, of any horizontal line within the plane. Of the two possibilities for strike, 180 apart, we choose the one according to the right hand rule: such that if we face in that direction, the plane dips or descends to the right. The map symbol described: is an arrow, aligned with the trend, pointing in the direction of plunge, with the amount of plunge indicated by a number. Chapter 10, p. 238-241 the changing earth 7e.
