Relative and Absolute Dating

States that younger rocks lie above older rocks if the layers have not been disturbed

• superposition

• cross-cutting

• unconformity

• uniformitarianism

Tags

NGSS.MS-ESS1-4

A break in the geologic record that is made when rock layers are ERODED over a long period of time

• superposition

• relative dating

• unconformity

• cross-cutting

Tags

NGSS.MS-ESS2-2

What is the law of superposition?

• The age of sedimentary rock not found in the original layers.

• Metamorphic rock is younger than the nearby igneous rock.

• Sedimentary rock in it's original position is older than layers above it.

• Metamorphic rock is older because it was deposited to nearby sedimentary rock.

Tags

NGSS.MS-ESS1-4

Analyze the seashell found in the white layer. Which statement is true of the rock layer that contains this fossil?

• It could also contain a fossil from the bottom layer.

• It is older than the layers below it.

• It is younger than the layers above it.

• It is older than the layers above it.

Tags

NGSS.MS-ESS1-4

What are the relative ages of the features in order from oldest to youngest?

• Limestone, Basalt, Fault, Siltstone

• Siltstone, Fault, Basalt, Limestone

• Limestone, Fault, Basalt, Siltstone

• Limestone, Siltstone, Fault, Basalt

Tags

NGSS.MS-ESS1-4

Which rock layer in the diagram seems to be the oldest?

• F

• B

• E

• A

Tags

NGSS.MS-ESS1-4

According to the law of superposition, which layer is the youngest?

• F

• B

• E

• A

Tags

NGSS.MS-ESS1-4

Which of the following is the oldest?

• Layer L

• Intrusion H

• Intrusion D

• Layer E

Tags

NGSS.MS-ESS1-4

How does sedimentary rock usually form?

• Vertically

• Folding

• Diagonally

• Horizontally

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Layer B on side #1 (left) is a match to which layer on side #2 (right)?

• z

• y

• w

• there is no match

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3