Relative Dating

Front

What does the Law of Superposition state?

Back

Younger rocks lie above older rocks if the layers have not been disturbed.

Front

What is an Unconformity in geology?

Back

A break in the geologic record made when rock layers are eroded over a long period of time.

Front

What is an Intrusion in geology?

Back

A body of igneous rock that has formed by the cooling and solidification of magma beneath the Earth's surface.

Front

What is Relative Dating?

Back

A method used to determine the age of rocks and fossils in relation to one another.

Front

What type of rock is Quartzite?

Back

A metamorphic rock formed from sandstone under high pressure and temperature.

Front

What is the significance of the Law of Crosscutting?

Back

It states that a geological feature (like a fault or intrusion) that cuts through another is younger than the feature it cuts.

Front

What is the difference between Absolute Dating and Relative Dating?

Back

Absolute dating provides a specific age of a rock or fossil, while relative dating places events in order without providing exact dates.

Front

What is a fault in geology?

Back

A fracture in the Earth's crust along which movement has occurred.

Front

What is the principle of Original Horizontality?

Back

Layers of sediment are originally deposited horizontally under the action of gravity.

Front

What is a sedimentary rock?

Back

A type of rock formed by the accumulation and compaction of mineral and organic particles.