USGS 24467 - Kukpowruk River, North Slope: Albian, Alaska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Bivalvia
- Thraciida
- Thraciidae
|
|||||||
|
Thracia stelcki
McLearn 1945
|
|||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Alaska | County: | North Slope |
| Coordinates: | 69.2° North, 162.7° West (view map) | ||||
| Paleocoordinates: | 80.0° North, 92.3° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Albian | ||
| Age range of interval: | 113.00000 - 100.50000 m.y. ago |
Stratigraphy
| Formation: | Kukpowruk | ||||
| Local section: | Kupowruk River | ||||
| Regional section: | North Slope | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Middle Albian in age. About 2,800 ft above base. | |||||
Lithology and environment
| Primary lithology: | sandstone |
| Secondary lithology: | siltstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: Sandstone and siltstone. | |
| Environment: | coastal indet. |
| Geology comments: Shallow water, siliciclastic paleoenvironment | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Museum repositories: | USGS |
| Collection method comments: Collections reposited in USGS and USNM collections. Collected by R.M. Chapman, 1949 | |
| Taxonomic list comments:Exhaustive. | |
Metadata
| Also known as: | Loc. #5; 49ACh102 | ||
| Database number: | 44320 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2004-09-08 13:38:28 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2004-09-08 13:38:28 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 11641. | R. W. Imlay. 1961. Characteristic lower Cretaceous megafossils from northern Alaska. United States Geological Survey Professional Paper 335 [A. Miller/A. Hendy/M. Clapham] |