Structural Geology (Chapter 9) Flashcards
1
Q
What is strike?
A
The direction of a horizontal line in a rock plane
2
Q
Name the two main fold types
A
Anticline and syncline
3
Q
What are isoclinal and recumbent folds?
A
Isoclinal is a very steep syncline, recumbent is a sideways fold
4
Q
What is a dip-slip fault?
A
Where the hanging wall moves in relation to the footwall
5
Q
Name two other dip-slip fault types
A
Reverse fault and thrust fault (hanging wall is pushed above and behind footwall)
6
Q
What are slickenlines?
A
Scratches made in a rock from movement
7
Q
What is a listric fault?
A
A fault resulting from rock sliding on rock below it that is curved, creating ridges
8
Q
What is a strike-slip fault?
A
A fault where shear forces are involved