Geology week 1 Flashcards
1
Q
Which two elements are most abundant in the earth’s crust
A
Oxygen and silicon
2
Q
Law of superposition
A
The oldest rocks are on the bottom with the youngest on the top
3
Q
Normal faults <–>
A
One block moves away from the other - creates valleys, mountains
4
Q
Reverse fault -><-
A
One plate moves over the other. It is the opposite of a normal fault. Builds mountains like himalayas
5
Q
Strike slip fault
A
two plates move opposite directions. San andreas fault
6
Q
Anticylne
A
Oldest rocks are in the middle
7
Q
Syncline
A
Youngest rocks in bottom of bend
