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 K-T Boundary Clay 

The K-T boundary is marked here by a clay within a thin lignitic coal. The boundary clay contains elevated levels of iridium, as well as shocked quartz grains.

You are currently at the K-T boundary. These rocks are labeled 3 on the section at right. You may return to a view of the vicinity of the boundary, or click anywhere on the section at right to explore further.

Copyright © 1998 Athro, Limited. All Rights Reserved.
Written by Paul J. Morris
Maintained by Athro Limited Date Created: 5 Jan 1998