Question

B F G D E C gneous rocks

1. Determine the relative age of the valley at the top of the figure with respect to layers B and F.

A.Younger than B

B.Older than B and younger than F

C.Older than F

2. In determining the relative ages of A and D, which relative dating principle did you use?

A/Most sediments are deposited in horizontal layers (original horizontality)

B. A younger sedimentary or volcanic unit is deposited on top of older units (superposition)

C. A younger sediment or rock can contain pieces of an older rock (inclusion)

D. A younger rock or feature can cut across any older rock or feature (cross-cutting relations)

E. Younger rocks and features can cause changes along their contacts with older rocks (contact effects)

3. The tilting of layers C, E and H most likely occurred after the layers were eroded?

A. True

B. False

Answer 1

1. Younger than A.

2.younger rocks and features can cause changes along their contacts with older rocks i.e. contact effect.

3.false.