Fort Union Formation
Use attributes for filter ! | |
Overlies | Hell Creek Formation |
---|---|
Primary | Sandstone |
Shale | |
Regions | Wyoming |
Montana | |
North Dakota | |
Date of Reg. | |
Date of Upd. | |
ID | 3120943 |
About Fort Union Formation
The Fort Union Formation is a geologic unit containing sandstones, shales, and coal beds in Wyoming, Montana, and parts of adjacent states. In the Powder River Basin, it contains important economic deposits of coal, uranium, and coalbed methane.