Geologic maps are made by assigning each different rock
type a color and a name. [Image courtesy of the
John Winters]
![](../images/grndcyn1.JPG)
![](../images/grndcyn3.jpg)
Back | Next
Back
to Table of Contents
Please report problems to: gary.calderone@gccaz.edu
URL:
http://www.gc.maricopa.edu/academicdepartments/physicalscience/gjc-nsf/intro/intro3a.html
Last
update: Tuesday, 16-Oct-2012 07:38:13 US Mountain Standard Time
Legal Disclaimer