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USGS 4380-CO - Jones Ridge Limestone, Southeast Fairbanks Census Area, Alaska, USA
| Lat/Long (Decimal) | 65.0667,-141.117 |
|---|---|
| Co-ordinates Derivation | stated in text |
| Given Location | Alaska, United States |
| Mindat.org Region (for given coordinates) | Southeast Fairbanks Census Area, Alaska, USA |
Collections
| Collection | Reference | Stratigraphic Name | Comments | Lithology | Age |
|---|---|---|---|---|---|
| USGS 4380-CO - Jones Ridge Limestone, Jones Ridge-Squaw Mountain area | Palmer A.R. (1968) | Jones Ridge Limestone - Lower | STRATIGRAPHIC RELATIONS: From Jones Ridge Limestone (Early-Late Cambrian), which regionally underlies an unamed unit of Early Ordovician age and is approximately correlative to the Hillard Limestone. AGE: Dresbachian on occurence of faunal assemblages similar to that of the Dunderbergia zone of the Great Basin. STRATIGRAPHIC POSITION: Lower Member of Jones Ridge Limestone. | "limestone" | 501 - 485.4 Ma Cambrian |
Recorded Fossils
| Accepted Name | Hierarchy | Age |
|---|---|---|
 Oncagnostus tumidosusspecies | Animalia : Arthropoda : Trilobita : Agnostida : Agnostidae : Oncagnostus : Oncagnostus tumidosus | 501 - 485.4 Ma Cambrian |
| Pseudagnostus communis species | Animalia : Arthropoda : Trilobita : Agnostida : Diplagnostidae : Pseudagnostus : Pseudagnostus communis | 501 - 485.4 Ma Cambrian |
| Iddingsia relativa species | Animalia : Arthropoda : Trilobita : Ptychopariida : Dokimocephalidae : Iddingsia : Iddingsia relativa | 501 - 485.4 Ma Cambrian |
| Sigmocheilus compressus species | Animalia : Arthropoda : Trilobita : Asaphida : Pterocephaliidae : Sigmocheilus : Sigmocheilus compressus | 501 - 485.4 Ma Cambrian |
| Quebecaspis sp. genus | Animalia : Arthropoda : Trilobita : Ptychopariida : Lonchocephalidae : Quebecaspis | 501 - 485.4 Ma Cambrian |
References
| Palmer A.R. (1968) Cambrian trilobites of East-Central Alaska, United States Geological Survey Professional Paper 559 B |
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!
