- Marjum formation
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Marjum formation
Stratigraphic range: Middle CambrianLocation Location 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". http://www.westerntrilobites.com/Formations/Marjum.htm.
- ^ Robison, R. A. (1964). "Upper Middle Cambrian Stratigraphy of Western Utah". Geological Society of America Bulletin 75: 995–992. 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". University of Kansas Paleontological Contributions 117: 1–22. hdl:1808/3696. http://kuscholarworks.ku.edu/dspace/bitstream/1808/3696/1/paleo.paper.117.pdf.
Categories:- Geologic formations of the United States
- Cambrian paleontological sites
- Geology of Utah
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