CK-12 Foundation
Ck 12: Earth Science: Determining Relative Ages
[Free Registration/Login may be required to access all resource tools.] How to determine the relative ages of rocks.
CK-12 Foundation
Ck 12: Earth Science: Determining Relative Ages
[Free Registration/Login may be required to access all resource tools.] Distinguishes how to tell which rock unit is older than the ones around it and so reveal the geologic history of the region.
CK-12 Foundation
Ck 12: Earth Science: Determining Relative Ages Study Guide
This comprehensive study guide covers the main terms and concepts needed for an earth science unit on determining relative ages. Review questions are included at the bottom of the study guide.