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
- Rock Types
- basal conglomerate
- sandstone
- Fossils
- Nautiloid Cephalopods
- corals
- gastropods
- brachiopods
- conodonts
The Bucke Formation
- Rock Types
- dark fissile shale
- thin limy and sandy interbeds
- Fossils
- Similar to Guigues
- Conodonts of mixed types with the Farr Formation above
The Farr Formation
- Rock Types
- Fossils
- See the Farr Formation Slide Show.
The Thornloe Formation
- Rock Types
- marine limestone and shale
- massive saccharoidal limestone
- Fossils
- See The Thornloe Formation Slide Show
Geology of the Farr Formation
Geology of the Thornloe Formation