USGS - science for a changing world

Science Topics

Maps, Imagery, and Publications Hazards Newsroom Education Jobs Partnerships Library About USGS Podcasts/RSS

Geologic time scale chart

http://vulcan.wr.usgs.gov/Glossary/geo_time_scale.html

Chart of the geologic time scale with references.

by Cascades Volcano Observatory (Sponsor) and Topinka, Lyn
Related topics:
Geochronology, Geologic history, Geologic time scales

Metadata as [FGDC] - [XML] - [ISO]

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.usgs.gov/science//science/cite-view.php?cite=592
Page Contact Information: Ask USGS