The Relative Age Of Rocks Flashcards
0
Q
Absolute Age
A
The number of years that the rock formed
1
Q
Relative Age
A
It’s age compared to the other ages of rocks
2
Q
Law of Superstition
A
Determine the relitive age of sedimentary rock layers
3
Q
Extrusion
A
Lava that hardens on the surface
4
Q
Intrusion
A
When magma cools and hardens into a mass of igneous rock
5
Q
Fault
A
A break in earths surface
6
Q
Unconformity
A
The surface where new rock layers meet a much older rock surface
7
Q
Index Fossil
A
Fossils of widely distributed organisms that lived only in one short period
