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NC Geologic History

1. How many periods of uplift & erosion have occurred in NC throughout geologic time? When were they? 3, and the times the occurred are 330, 360, 435

2. How many periods of deposition have occurred in NC? When were they? 1, the time is 570

3. How old are the oldest rocks in NC? 1,800 million years old

4. During what time period did the Appalachians form? What is their age? Quaternary, and it was 1.7

5. When did NC experience volcanism? Middle, proterozoic

6. During what eras were most marine sediments deposited in the coastal plain? cretaceous

7. During what epoch was phosphate deposited? miocene

8. How many collisions has NC undergone throughout geologic time? 1

9. What processes are happening today in NC?

Deposition of sediments in coastal plain erosion of piedmont and appalachian mountains to their present rugged features 10. Make a photo collage of the changes in North Carolina during your assigned time period. Use the chart to inform your picture selection. Use no words, only pictures. You may label the time period. Im not sure how to do this...