Geologic Time Scale [Athro, Limited: Geology]

<H1>The Geologic Time Scale</H1> <P>The major units in the geologic time scale, the ruler used for ordering time in historical geology. The time scale is divided into units marking the major events in earth history. The main units are chronostratigraphic units.</P> <P>This document, and much of this site, uses frames and JavaScript. Try the <A HREF="index1to.html">Reduced graphics, no javascript version</A> of the site. </P><BR> <HR> Part of the <A HREF="http://www.athro.com" TARGET="_top" >Athro, Limited web site</A>.<BR> <FONT SIZE=-1> Copyright © 1997, 1999 Athro, Limited. All Rights Reserved.<BR> Written by Paul J. Morris <A HREF="mailto:mole@morris.net">mole@morris.net</A><BR> Maintained by <A HREF="general/comment.html" TARGET="_blank" >Athro Limited</A>. <BR> Date Created: 16 Nov 1997<BR> Last Updated: 4 Dec 1999<BR> </FONT>