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Sample #1LM92 - White Tail Ridge Formation , Douglas County, Oregon, USA
| Lat/Long (Decimal) | 43.24,-123.08 |
|---|---|
| Co-ordinates Derivation | stated in text |
| Given Location | Oregon, United States |
| Mindat.org Region (for given coordinates) | Douglas County, Oregon, USA |
Collections
| Collection | Reference | Stratigraphic Name | Comments | Lithology | Age |
|---|---|---|---|---|---|
| Sample #1LM92 - White Tail Ridge Formation (Oregon) | Wells R. E., Jayko A. S., et al (2000) | Umpqua - White Tail Ridge - Berrry Creek | Presumably from the Berry Creek Member of the White Tail Ridge Formation, Umpqua Group. This is equivalent to strata formely referred to as White Tail Member, Okalla Creek Member, and Umpqua Formation and time equivalent to Lookingglass and Flournoy Formation. The White Tail Ridge Formation unconformably overlies the Tenmile Formation and underlies the Camas Valley Member. Macrofossil biostratigraphy suggests an Paleocene to Early Oligocene age, but the member is more precisely dated as Ulatisia | sandstone | 56 - 47.8 Ma Eocene |
| Sample #4LM92 - White Tail Ridge Formation (Oregon) | Wells R. E., Jayko A. S., et al (2000) | Umpqua - White Tail Ridge - Berrry Creek | Presumably from the Berry Creek Member of the White Tail Ridge Formation, Umpqua Group. This is equivalent to strata formely referred to as White Tail Member, Okalla Creek Member, and Umpqua Formation and time equivalent to Lookingglass and Flournoy Formation. The White Tail Ridge Formation unconformably overlies the Tenmile Formation and underlies the Camas Valley Member. Macrofossil biostratigraphy suggests an Paleocene to Early Oligocene age, but the member is more precisely dated as Ulatisia | sandstone | 56 - 47.8 Ma Eocene |
Recorded Fossils
| Accepted Name | Hierarchy | Age |
|---|---|---|
 Macoma sp.genus | Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Macoma | 56 - 47.8 Ma Eocene |
| Venericardia sp. genus | Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Venericardia | 56 - 47.8 Ma Eocene |
| Brachidontes sp. genus | Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Brachidontes | 56 - 47.8 Ma Eocene |
| Brachidontes (Brachidontes) cowlitzensis species | Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Brachidontes : Brachidontes (Brachidontes) cowlitzensis | 56 - 47.8 Ma Eocene |
| Nuculana sp. genus | Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : Nuculana | 56 - 47.8 Ma Eocene |
 Naticidaefamily | Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae | 56 - 47.8 Ma Eocene |
 Cadulus sp.genus | Animalia : Mollusca : Scaphopoda : Gadilida : Gadilidae : Cadulus | 56 - 47.8 Ma Eocene |
References
| Wells R. E., Jayko A. S., et al (2000) Geologic Map and Database of the Roseburg 30 x 60' Quadrangle, Douglas and Coos Counties, Oregon, United States Geological Survey Open-File Report 00-367 |
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!
