Relative Age Dating

Which layer is OLDER? Layer E or Fault H?

• Layer E

• Fault H

Tags

NGSS.MS-ESS1-4

Which layer is OLDER? Layer E or Intrusion A?

• Layer E

• Intrusion A

Tags

NGSS.MS-ESS1-4

What geologic principle(or law) is best displayed here?

• Superposition

• Original horizontality

• Cross-cutting relationships

• Inclusions

Tags

NGSS.MS-ESS1-4

What geologic principle(or law) is best displayed here?

• Superposition

• Original horizontality

• Cross-cutting relationships

• Unconformities

Tags

NGSS.MS-ESS1-4

Click the letter that is the oldest layer or event?

Tags

NGSS.MS-ESS1-4

The geologic cross section diagram shows undisturbed rock layers with index fossils from two regions (A and B). The two index species are identified in the index fossil key. Which answer option correctly describes the relative ages of the rock layers in the diagram?

• • Layer 6 is older than Layer 3.
  • Layer 2 is younger than Layer 4.

• • Layer 6 is older than Layer 3.
  • Layers 2 and 4 are the same age.

• • Layer 6 is younger than layer 3.
  • Layers 2 and 4 are the same age.

• • Layer is younger than layer 3.
  • Layer 2 is older than layer 4.

Tags

NGSS.MS-ESS1-4

A sedimentary layer of sandstone contains inclusions of granite. Which rock is older, the sandstone or the granite

• the sandstone

• the granite

• both are the same age

• it's impossible to know

Tags

NGSS.MS-ESS1-4

Which rock layer is the youngest?

• A

• B

• D

• F

Tags

NGSS.MS-ESS1-4

What is the oldest layer in the outcrop?

• B

• C

• D

• E

Tags

NGSS.MS-ESS1-4

An estimated age based on rocks and fossils found above and below is:

• Neither of these

• Both

• absolute age

• relative age

Tags

NGSS.MS-ESS1-4