Cid Formation
Appearance
Cid Formation | |
---|---|
Stratigraphic range: Ediacaran | |
Type | Formation |
Unit of | Albemarle Group |
Sub-units | Flat Swamp member, mudstone member |
Lithology | |
Primary | metavolcanic rock, shale, argillite |
Other | mudstone |
Location | |
Region | North Carolina |
Country | United States |
Type section | |
Named for | Cid, NC |
The Cid Formation is a metavolcanic rock and mudstone geologic formation in North Carolina. It consists of a lower unnamed mudstone member with intermittent volcanic flows and the Flat Swamp Member, which is characterized by pyroclastic flows.[1] It preserves fossils dating back to the Ediacaran period.
See also
[edit]References
[edit]- ^ Stromquist, Arvid A.; Sundelius, Harold W. (1968). "Stratigraphy of the Albemarle Group of the Carolina slate belt in central North Carolina" (PDF). Contributions to stratigraphy: US Geological Survey Bulletin. 1274-B: 5–19.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.