USGS - science for a changing world

Science Topics

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

Geologic time online edition

Booklet giving general explanations of geologic time, major divisions of geologic time, relative and radiometric time scales, index fossils, and the age of the earth.

by Newman, William L.
U.S. Geological Survey general interest publication
Related topics:
Fossils, Geochronology, Geologic history, Geologic time scales, Radiometric dating
Alternative formats of this information:
Compatible standard Format
CCM of Project Open Data JSON
ISO 19115 XML
USGS Publications Warehouse [Citation page] - [JSON]

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Ask USGS