Dating Methods in Geology

Front

Relative Dating

Back

Determines age order of events

Front

Absolute Dating

Back

Determines numerical age

Front

Stratigraphy

Back

Study of rock layers

Front

Law of Superposition

Back

Oldest layers at bottom

Front

Radiometric Dating

Back

Uses radioactive decay

Front

Carbon-14 Dating

Back

Dating organic materials

Front

Half-Life

Back

Time for half radioactive decay

Front

Fossil Correlation

Back

Matching fossils in layers

Front

Dendrochronology

Back

Tree ring dating

Front

Index Fossils

Back

Fossils indicating specific time