Jackson Co. Loc. 10: Carboniferous, Illinois
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cordaitales
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Cordaicladus sp.
Grand'Eury 1877
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Illinois | County: | Jackson |
| Coordinates: | 37.6° North, 89.3° West (view map) | ||||
| Paleocoordinates: | 23.6° South, 42.1° West (Wright 2013) | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Carboniferous |
| 10 m.y. bin: | Carboniferous 1-5 | *Epoch: | Chester |
| Key time interval: | Carboniferous |
| Age range of interval: | 358.86 - 298.9 m.y. ago |
| * legacy (obsolete) database fields | |
Stratigraphy
| Formation: | Caseyville | Member: | Pounds Sandstone |
| Regional section: | Illinois |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | sandstone |
| Environment: | delta front |
| Geology comments: The distibution trends for plant fossils in the Chester Series of the Illinois Basin are interpreted as suggesting that successive, narrow deltaic lobes were built into the Illinois Basin during the Chesterian, and that only along these most active sites of depostion were land-plant habitats available. The restriction of plant fossils to the top of the clastic-dominated formations can be explained if the lower part of these units is interpreted as progradational, while only the uppermost part represents depostion on a delta platform. | |
Taphonomy
| Modes of preservation: | mold/impression,original carbon |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 23928 | ||
| Authorizer: | H. Sims | Enterer: | H. Lindon |
| Modifier: | A. McGowan | Research group: | paleobotany |
| Created: | 2002-07-24 06:29:31 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2002-07-24 06:29:31 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 4160. | J. R. Jennings. 1984. Distribution of Fossil Plant Taxa in the Upper Mississippian and Lower Pennsylvanian of the Illinois Basin. In P. K. Sutherland (ed.), Biostratigraphy (Compte Rendu, Congrès International de Stratigraphie et de Géologie du Carbonifère, 9th, v. 2) 2:301-312 [H. Sims/S. Ostrowski/P. Wagner] |