Stratigraphy Practice

Front

What is the Law of Cross-Cutting Relationships?

Back

A principle that states that an intrusive layer of igneous rock will always be younger than the rock it cuts through.

Tags

NGSS.MS-ESS1-4

Front

What is Relative Age Dating?

Back

The dating of rocks in how they compare to the rocks that are around them.

Tags

NGSS.MS-ESS1-4

Front

List the order of rock layers from youngest to oldest: D, C, E, A, B.

Back

D, C, E, A, B.

Tags

NGSS.MS-ESS1-4

Front

Which layer is the oldest in a sequence: A, B, C, D, E?

Back

B.

Tags

NGSS.MS-ESS1-4

Front

List the order of rock layers from youngest to oldest: D, B, F, A, C, E.

Back

D, B, F, A, C, E.

Tags

NGSS.MS-ESS1-4

Front

What does the principle 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.

Tags

NGSS.MS-ESS1-4

Front

What is an unconformity in geology?

Back

A gap in the geological record that represents a period of erosion or non-deposition.

Tags

NGSS.MS-ESS1-4

Front

Define the term 'stratigraphy'.

Back

The branch of geology concerned with the order and relative position of strata and their relationship to the geological time scale.

Tags

NGSS.MS-ESS1-4

Front

What is the significance of fossils in stratigraphy?

Back

Fossils help in dating and correlating rock layers, providing evidence of the relative ages of the layers.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Front

Explain the concept of 'faunal succession'.

Back

The principle that different layers of rock contain distinct fossil assemblages, which can be used to identify the relative ages of the layers.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1