User Name
Password  
Remember my login
Create new account 
Forget your password?
tab active left border CHRONOS tab active right border tab inactive left border Searches tab inactive right border tab inactive left border Tools tab inactive right border tab inactive left border Resources tab inactive right border 
 Home   Partners and FAQ   Tutorials 
 
Welcome

Site tutorial >> Flash tutorial logo

Search tutorial >>

Flash tutorial logo
What is the Login for?
The login box at the top allows users to request an account on the CHRONOS Portal that provides extra capacity in certain cases. Please note that all core services (searches, tools, etc) are available to anonymous users as well, an account is not required.

Timescales
You can find more information about the International Commission on Stratigraphy (ICS) timescales at http://www.stratigraphy.org. Some popular downloads are:

KT Poster
Tower of Time (PDF | PNG)
Timescale bookmarks (USGS colors (ICS 2004) | CHRONOS (ICS 2004))
Questions and Inquiries
(Show all questions) Click a question to see the response:
Nota Bene

CHRONOS is transitioning to a new server!

During this time there will likely be several aspects of the site and portal that suffer functional issues. We are working quickly to effect the move and provide exciting new data and services features. (4/27/2010)