GSC 25071, Brazeau River [Chungo Mbr, Wapiabi Fm]: Early/Lower Campanian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Baculitidae
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Baculites ovatus
(Say 1820)
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Bivalvia
- Poromyida
- Poromyidae
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Liopistha undata
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| Listed as "Liopista undata' | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Alberta |
| Coordinates: | 52.9° North, 115.2° West (view map) | ||
| Paleocoordinates: | 60.9° North, 78.8° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Early/Lower Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Formation: | Wapiabi | Member: | Chungo | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Chungo Mbr of the Wapiabi Fm, which overlies the Hanso Mbr and is overlain by the Nomad Mbr, both of the Wapiabi Fm. AGE: Early Campanian, on the basis of ammonoid and bivalve biostratigraphy; Scaphites hippocrepis Zone zone. STRATIGRAPHIC POSITION: From 80 ft from top of formation. | |||||
Lithology and environment
| Primary lithology: | siltstone |
| Secondary lithology: | sandstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Siltstone or shale. LITHIFICATION: Not described in text. | |
| Environment: | marine indet. |
| Geology comments: ENVIRONMENT: Siliciclastic marine. | |
Taphonomy
| Modes of preservation: | body,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Museum repositories: | GSC |
| Collection method comments: COLLECTOR: Stott, c. 1960's. REPOSITORY: Geological Survey of Canada. | |
| Taxonomic list comments:COVERAGE: Exhaustive for marine invertebrates. NOMENCLATURE: An authoritative publication, and with relatively antiquated nomenclature but species-resolution identifications. | |
Metadata
| Database number: | 89214 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2009-05-10 11:22:31 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2009-05-10 11:22:31 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 29910. | D. F. Stott. 1963. The Cretaceous Alberta Group and equivalent rocks, Rocky Mountain foothills, Alberta. Geological Survey of Canada Memoir 317:1-306 [A. Hendy/A. Hendy] |