Marjum Formation
| Marjum Formation Stratigraphic range: Cambrian | |
|---|---|
| Type | Geological formation |
| Lithology | |
| Primary | limestone |
| Other | shale, |
| Location | |
| Region | North America |
| Country |  USA |
| Extent | Utah |
The Marjum Formation is a Cambrian geological formation that overlies the Wheeler Shale in the House Range, Utah.[1] It is known for its occasional preservation of soft-bodied tissue, and is slightly younger than the Burgess Shale,[2] falling in the Ptychagnostus praecurrens trilobite zone.[3]
References[]
- ^ "Trilobites of The Marjum Formation".
- ^ Robison, R. A. (1964). "Upper Middle Cambrian Stratigraphy of Western Utah". Geological Society of America Bulletin. 75 (10): 995–1010. Bibcode:1964GSAB...75..995R. doi:10.1130/0016-7606(1964)75[995:UMCSOW]2.0.CO;2. ISSN 0016-7606.
- ^ Conway Morris, S.; Robison, R. A. (1986). "Middle Cambrian priapulids and other soft-bodied fossils from Utah and Spain" (PDF). University of Kansas Paleontological Contributions. 117: 1–22. hdl:1808/3696.
Categories:
- Cambrian geology of Utah
- Cambrian southern paleotropical deposits