Cobalt: Rock Types and Fossils by Formation
The stratographic column at right can be used to give an indication of the placement of each of the formations with respect to each other. The Dates to the right of the column are in Millions of Years (Ma).

The Guigues Formation
The Bucke Formation
The Farr Formation
The Thornloe Formation

Geology of the Farr Formation

Geology of the Thornloe Formation