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Guttenberg, Delaware County, Iowa, USA
| Formation | Guttenberg |
|---|---|
| Age: | 461 - 450 Ma Ordovician |
| Interval | Rocklandian |
| Lithology | limestone/"shale" |
| Number of Collections | 1 |
| Number of Occurrences | 25 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Mifflin Formation Bryozoa of the Upper Mississippi Valley | Delaware County, Iowa, USA | Guttenberg |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Decorah Shale | 458 - 450 Ma Late/Upper Ordovician | shale/"limestone", "shale", "limestone" | 447 |
| Ion | 461 - 450 Ma Ordovician | limestone | 14 |
| Maquoketa | 450 - 444 Ma Paleozoic | limestone/"shale", "shale"/"limestone" | 50 |
| Mifflin | 461 - 450 Ma Ordovician | limestone | 161 |
| Quimbys Mill | 461 - 450 Ma Ordovician | limestone/dolomite, "limestone" | 194 |
| Spechts Ferry | 461 - 450 Ma Ordovician | shale/"limestone", "shale" | 132 |
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!
