| Banner Formation | |
|---|---|
| Stratigraphic range: Late Mississippian stage, Carboniferous Period | |
| Type | Geologic formation |
| Underlies | Nelson Formation |
| Overlies | Grossman Formation |
| Thickness | 600 feet (180 m) (maximum) |
| Lithology | |
| Primary | conglomerate, sandstone, limestone [1] |
| Location | |
| Region | Elko County, Nevada |
| Country | United States |
The Banner Formation is a Carboniferous period geologic formation in northern Elko County, Nevada. [2]
It is composed of conglomerate, sandstone, and limestone and was formed in connection with the Antler orogeny.
It preserves fossils dating back to the Early Late Mississippian [3] stage of the Carboniferous period during the Paleozoic Era. [4]