Relative Age worksheet - Ms. Breeze Earth Science

Name: ________________________________________ Period: ___________ Date: ________________

Relative Age worksheet

ANSWER IN COMPLETE SENTENCES.

1. In the cross-section to the right, determine if this is showing a transgressive sequence or a regressive sequence or both. Provide a 1-2 sentence justification for your answer

2. In the diagram to the right (A-O), determine which unit is the oldest and give evidence for your reasoning (use the term cross-cut

3. Give evidence that supports the conclusion that unit H is the youngest unit (1-2 sentences)

4. Explain why unit A is younger than unit G. State which geologic principle you used to determine this. (1-2 sentences)

5. Which unit is older, unit D or unit E? Justify your answer using the term cross-cut.

6. Based on the photograph above, do you expect that it was taken in a region close to the Appalachian Mountains? Give evidence as to why or why not using the term original horizontality (1-2 sentences).

7. Order the units A-H (from the cross-section above) from OLDEST to YOUNGEST

Oldest _______________________________________________________________________ Youngest

8. To the right is a schematic cross-section through a location in the piedmont region close to the mountains of North Carolina. Order the events from OLDEST to YOUNGEST

Oldest ________________________________ Youngest