Due Saturday by 6 pm

Step

Numerical Age/Age Range

Brief Description of Geological Event

APA Intext Citation of Source

(Be mindful of your time scale and time labels)

(In your own words)

Example

0 to 10,000 years ago   / Holocene

The glaciers   from the Canadian shield regressed southward as temperatures across North   America begin to warm.  As the glacial lobes   retreated north, they left behind deposits of glacial till and carved out   depressions that eventually became lakes.

 (Chernicoff   & Whitney, 2007)

6

Most Recent

5

4

3

2

1

Oldest