Lebo Member
| Lebo Member | |
|---|---|
| Stratigraphic range: Paleogene | |
| Type | Member |
| Unit of | Fort Union Formation |
| Underlies | Tongue River Member |
| Overlies | Tullock Member |
| Thickness | 500–1,700 feet (150–520 m)[1] |
| Lithology | |
| Primary | Shale, mudstone |
| Other | Sandstone, siltstone, coal |
| Location | |
| Region | Montana, Wyoming |
| Country | United States |
| Type section | |
| Named for | Lebo creek, Montana |
The Lebo Member is a geologic member of the Fort Union Formation in Montana and Wyoming.[2] It preserves fossils dating back to the Paleogene period.[3]
See also
References
- ^ Law, B.E. (1975). "Isopach map of the Lebo Shale Member, Fort Union Formation" (PDF). Open File Report. doi:10.3133/ofr76176. Retrieved 2025-06-02.
- ^ N. M. Denson; J. H. Dover; L. M. Osmonson (1978). "Lower Tertiary coal bed distribution and coal resources of the Reno Junction-Antelope Creek area, Campbell, Converse, Niobrara, and Weston counties, Wyoming". Miscellaneous Field Studies Map. 960. doi:10.3133/MF960. Wikidata Q62118849.
- ^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 25 March 2022. Retrieved 17 December 2021.