Skip to Main Content
Skip Nav Destination

The Eocene-Oligocene transition in the eastern Gulf Coastal Plain of Alabama and Mississippi occurs within a sequence of marine clastic rocks making up the Jackson Group and the lower Vicksburg Group. The placement and the nature of the Eocene-Oligocene boundary remain controversial after more than 20 yr of detailed study. In Alabama, the Eocene-Oligocene boundary is placed within a condensed section at the contact between the Shubuta Member of the Yazoo Clay and the Red Bluff Clay. In eastern Mississippi, the Eocene-Oligocene boundary is recognized through the use of planktonic foraminifera and calcareous nannofossils as also occurring at the Yazoo–Red...

You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
Close Modal

or Create an Account

Close Modal
Close Modal