GSC 27055, Bighorn River [Haven Mbr, Blackstone Fm]: Middle Turonian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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Cephalopoda
- Ammonitida
- Scaphitidae
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Scaphites patulus
Cobban 1951
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Cephalopoda
- Ammonitida
- Collignoniceratidae
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Prionocyclus (Collignoniceras) woollgari
(Mantell 1822)
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Bivalvia
- Myalinida
- Inoceramidae
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Inoceramus sp.
Sowerby 1814
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Inoceramus fragilis
Hall and Meek 1855
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| see common names | |||||||
Geography
| Country: | Canada | State/province: | Alberta |
| Coordinates: | 52.4° North, 116.2° West (view map) | ||
| Paleocoordinates: | 56.1° North, 74.8° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Turonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Middle Turonian | Ammonoid zone: | Collignoniceras woollgari |
| Age range of interval: | 93.9 - 89.8 m.y. ago |
Stratigraphy
| Formation: | Blackstone | Member: | Haven | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Haven Mbr of the Blackstone Fm, which overlies the Vimy Mbr of the Blackstone Fm and is overlain by the Cardium Fm. AGE: Middle Turonian, on the basis of ammonoid biostratigraphy; Collignoniceras woollgari zone. STRATIGRAPHIC POSITION: From unknown position within local section. | |||||
Lithology and environment
| Primary lithology: | red or brown "shale" |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Rusty shales. 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: | 89206 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2009-05-10 10:39:53 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2009-05-10 10:39:53 |
| 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] |