structural geology - exam 1

Question 1

study of the deformation of rocks and the resulting features

Answer 1

structural geology

Question 2

the two deformation types

Answer 2

“brittle” rocks break
“ductile” rocks flow

Question 3

a fracture in bedrock along which movement has taken place

Answer 3

fault

Question 4

fault movement is based on the

Answer 4

direction of slip

Question 5

movement is parallel to the dip of the fault

Answer 5

dip slip fault

Question 6

movement is parallel to the strike of the fault (horizontal movement)

Answer 6

strike slip fault

Question 7

dip slip faults have a

Answer 7

hanging wall and footwall

Question 8

the overlying surface of an inclined fault plane

Answer 8

hanging wall

Question 9

the underlying surface of an inclined fault plane

Answer 9

footwall

Question 10

a reverse fault with a low angle plane dip

Answer 10

thrust fault

Question 11

oldest rocks in the center of the fold shaped like an A

Answer 11

anticline

Question 12

oldest rocks on the outside of the fold shaped like a U

Answer 12

syncline

Question 13

a fold where the hinge line is not horizontal

Answer 13

plunging folds

Question 14

-up warped oval features
-beds dip away form the center
-oldest rocks are in the center
-cross section looks like an anticline

Answer 14

dome

Question 15

-down warped oval features
-the beds dip toward the center
-youngest rocks are in the center
-cross section looks like an syncline

Answer 15

basins