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Golden [Smoky Hill Chalk Mbr, Jefferson County, Colorado, USA
| Lat/Long (Decimal) | 39.7556,-105.221 |
|---|---|
| Co-ordinates Derivation | based on political unit |
| Given Location | Colorado, United States |
| Mindat.org Region (for given coordinates) | Jefferson County, Colorado, USA |
Collections
| Collection | Reference | Stratigraphic Name | Comments | Lithology | Age |
|---|---|---|---|---|---|
| Golden [Smoky Hill Chalk Mbr, Niobrara Fm] | Stevenson R. E. (1979) | Niobrara - Smoky Hill Chalk | STRATIGRAPHIC RELATIONS: From the Smoky Hill Chalk Mbr of the Niobrara Fm, for which lithostratigraphic relations are not discussed. AGE: Not discussed in text, but Santonian on the basis of other Smoky Hill Mbr collections and stratigraphic position. STRATIGRAPHIC POSITION: From the uppermost of the Smoky Hill Mbr. | lime mudstone | 86.3 - 83.6 Ma Late/Upper Cretaceous |
Recorded Fossils
| Accepted Name | Hierarchy | Age |
|---|---|---|
 Stramentum haworthispecies | Animalia : Arthropoda : Maxillopoda : Lepadiformes : Stramentidae : Stramentum : Stramentum haworthi | 86.3 - 83.6 Ma Late/Upper Cretaceous |
 Baculites sp.genus | Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites | 86.3 - 83.6 Ma Late/Upper Cretaceous |
References
| Stevenson R. E. (1979) Attachment sites of a stalked cirriped in the Cretaceous Niobrara Sea, Proceedings of the South Dakota Academy of Science 58, 21-29 |
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!
