Posted by gina on Thursday, April 8, 2010 at 7:12am.
Here is one p lace to begin:
http://search.yahoo.com/search?fr=mcafee&p=subdivisions+of+geologic+time+scale
Sra
Related Questions
Earth Science - What is the primary basis for differentiating the Eras?
geology - what is the primary basis for differentiating the eras?
science - looking at the geologic time scale of new york, for the archaen eon, ...
Science - How can scientists use the geologic time scale by sequencing the ...
Science - How can scientists use the geologic time scale by sequencing the ...
Earth Science - What are the time divisions that are used for the geologic time ...
Science - what does the geologic time scale indicate about the change in life-...
Science - how did geologists determine the divisions of the geologic time scale?
Check my answers - 1. The division of Earth’s history into smaller units ...
biology - what is the geologic time scale
For Further Reading
