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Collection: CSUN 1580 Kern County, California, USA
| Age | 37.2 - 33.9 Ma (Paleogene) |
|---|---|
| Interval | Late Eocene |
| Lat/Long | 35.7036,-119.992 |
| Location | CSUN 1580 |
| Mindat.org Region (for given coordinates) | Kern County, California, USA |
| Formation | Wagonwheel |
| Member | middle siltstone |
| Zone | Refugian Stage |
| Lithology Description | "The calcareous sandstone bodies are each about 20 m in lateral extent and consist of closely spaced, triple-stacked discontinuous massive units separated by thin intervals of silty mudstone.... At a few places in the lower part of the calcareous sandstone body ... there are wavy-banded layers of cement and rip-up clasts (9 cm in length) of cross-bedded sandy limestone...." |
| Lithology | sandstone |
| Minor Lithology | calcareous |
| Second Lithology | siltstone |
| Second Minor Lithology | muddy |
| Environment | submarine fan |
| Geology Comments | "The taxonomic composition and low diversity (almost mono- specific) of the megafauna, as well as the dense concentration of articulated lucinid, thyasirid, and vesicomyid bivalves in isolated and anomalous carbonate-bearing deposits that have a petroliferous odor, are very similar to modern-day and Cenozoic examples of chemosynthetic communities associated with cool- fluid seepage" |
Recorded Fossils
| Accepted Name | Hierarchy | Preservation | Age |
|---|---|---|---|
 Epilucina washingtonianaspecies | Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Epilucina : Epilucina washingtoniana | aragonite body,trace | 37.2 - 33.9 Ma Paleogene |
| Conchocele conradii species | Animalia : Mollusca : Bivalvia : Lucinida : Thyasiridae : Conchocele : Conchocele conradii | aragonite body,trace | 37.2 - 33.9 Ma Paleogene |
| Archivesica tschudi species | Animalia : Mollusca : Bivalvia : Veneroidei : Vesicomyidae : Archivesica : Archivesica tschudi | aragonite body,trace | 37.2 - 33.9 Ma Paleogene |
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!
