Encyclopedia > Index fossil

  Article Content

Index fossil

An index fossil is a fossil that is found in rocks of only one geologic period and is therefore used to assign a date to any rock that it is found in.



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Kings Park, New York

... size is 3.32. In the town the population is spread out with 25.2% under the age of 18, 5.7% from 18 to 24, 31.9% from 25 to 44, 23.3% from 45 to 64, and 13.9% who are 65 ...

 
 
 
This page was created in 26.6 ms