3.2 relative dating: which cam first

Question 1

any method of determining whether an event or object is older or younger than other events or objects

Answer 1

relative dating

Question 2

a principle that states that younger rocks lie above older rocks if the layer have not been disturbed

Answer 2

superposition

Question 3

an arrangement of rock layers in which the oldest rocks are at the bottom

Answer 3

geologic column

Question 4

a break in the geologic record created when rock layers are eroded or when sediment is not deposited for a long period of time

Answer 4

unconformity

Question 5

the stoppage of deposition when a supply of sediment is cut off

Answer 5

nondeposition

Question 6

creates unconformities

Answer 6

erosion

Question 7

where part of a squence of parrallel rock layers are missing

Answer 7

disconformities

Question 8

where horizontal sedimentary rock layers lie on top of an eroded surface

Answer 8

nonconformities

Question 9

found between horizontal layers of sedimentary rock and layers

Answer 9

Angular unconformities