Structural Geology Flashcards
1
Q
what is 90 degrees from the profile plane?
A
the fold axis
2
Q
the fold axis should be parallel to what?
A
the hinge lines
3
Q
What are the three principle stresses??
A
sigma 1,2,3: maximum, intermediate and minimum. As if looking at a cube: up and down, in and out, left and right
4
Q
How many bar is one Pascal?
A
10^-5
5
Q
How many bar is 100 MPa?
A
1kbar
6
Q
What directions are normal and shear forces?
A
Normal are vertical, shear are horizontal (perpendicular)
7
Q
What factors are considered in rock fractionation?
A
Strain rate, temperature, fluid presence, cohesion/lithification
8
Q
A
9
Q
A
