Fossils and the Geologic Column

Fossils and the Geologic Column
CheckPoint: Fossils and the
Geologic Column

Review Figure
3.6 on p. 68 of the text. How do fossils help in determining the relative age
of strata? Are the three different localities around the same relative age? Explain
your response.

Refer to the
USGS Web site: http://pubs.usgs.gov/gip/geotime/fossils.html.
What periods are the fossils from in Figure 3.6? What does this say about the
area in Figure 3.6?