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North end of Orchard Creek Exposure, Alexander County, Illinois, USA
| Mindat.org Locality Page | Alexander County, Illinois, USA |
|---|---|
| Lat/Long (Decimal) | 37.1931,-89.4528 |
| Co-ordinates Derivation | based on political unit |
| Given Location | Illinois, United States |
| Mindat.org Region (for given coordinates) | Alexander County, Illinois, USA |
Collections
| Collection | Reference | Stratigraphic Name | Comments | Lithology | Age |
|---|---|---|---|---|---|
| Orchard Creek Exposure, 1.6 km north of Thebes | Brower J. C. (1973) | Girardeau Limestone | "limestone" | 445.2 - 443.4 Ma Paleozoic | |
| North end of Orchard Creek Exposure, 1.6 km north of Thebes | Guensburg T. E. (1988) | Orchard Creek Shale | "U. Ord. (Ashg-m; Maquoketa) b/w Thebes SS below and Girardeau Ls above" - equated with Richmondian on instruction of M. Patzkowsky 20 Aug 1999 Top of Paraorthograptus pacificus zone & Ordochitina nevadensis zone. | "limestone" | 449.5 - 443.7 Ma Paleozoic |
Recorded Fossils
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
