Unit 6 Historical and Virginia Geology Review

Front

What is the Law of Cross-Cutting Relationships?

Back

A principle stating that if one geological feature cuts through another, the feature that has been cut is older.

Front

Define Geologic Period.

Back

A unit of geologic time that is a subdivision of an era.

Front

What Virginia Province is known for its Appalachian Plateau?

Back

The Appalachian Plateau is one of the provinces in Virginia.

Front

What is an Index Fossil?

Back

A fossil that is used to determine the age of other fossils or rocks.

Front

How are original remains like Mammoths preserved in Northern Russia?

Back

They are preserved in ice.

Front

What does the Law of Superposition state?

Back

In an undeformed sequence of sedimentary rocks, the oldest layers are at the bottom and the youngest are at the top.

Front

What is the Geologic Time Scale?

Back

A system of chronological dating that relates geological strata to time.

Front

What is Absolute Dating?

Back

A method used to determine the exact age of a rock or fossil.

Front

What is Uniformitarianism?

Back

The principle that the same geological processes that operate today also operated in the past.

Front

What is a Fossil?

Back

The preserved remains or traces of a once-living organism.