GSC Loc. 47879 - Greely Fiord [Deer Bay Fm]: Early/Lower Valanginian, Canada
collected by Thorsteinsson 1961
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Polyptychitidae
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Thorsteinssonoceras ellesmerensis
Jeletzky 1965
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Bivalvia
- Pectinida
- Buchiidae
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Buchia keyserlingi
(Lahusen 1888)
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| see common names | |||||||
Geography
| Country: | Canada | State/province: | Nunavut |
| Coordinates: | 80.5° North, 83.0° West (view map) | ||
| Paleocoordinates: | 69.7° North, 5.0° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Valanginian | 10 m.y. bin: | Cretaceous 1 |
| Key time interval: | Early/Lower Valanginian | ||
| Age range of interval: | 139.80000 - 132.60000 m.y. ago |
Stratigraphy
| Formation: | Deer Bay | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Deer Bay Fm, for which lithostratigraphic relations are not discussed. AGE: Valanginian, on the basis of ammonite and bivalve biostratigraphy; Buchia keyserlingi zone. STRATIGRAPHIC POSITION: About 443-444 m above the base of the Deer Bay Fm; from measured section adjoining GSC Loc. 47876. | |||||
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Not stated in text, but likely to be siliciclastic. LITHIFICATION: Lithified, on the basis of figured specimens. | |
| Environment: | marine indet. |
| Geology comments: ENVIRONMENT: Not reported in text, but apparently marine siliciclastic. | |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | GSC | ||
| Collectors: | Thorsteinsson | Collection dates: | 1961 |
| Collection method comments: COLLECTOR: Thorsteinsson. REPOSITORY: Geological Survey of Canada (GSC). | |||
| Taxonomic list comments:COVERAGE: Exhaustive for marine invertebrate fauna. NOMENCLATURE: Authoritative publication with modern nomenclature and species-resolution identifications. | |||
Metadata
| Database number: | 87421 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2009-03-17 10:15:50 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2009-03-17 10:15:50 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 29438. | J. A. Jeletzky. 1965. Thorsteinssonoceras. A new craspeditid ammonitre from the Valanginian of Ellesmere Island, Arctic Archipelago. Geological Survey of Canada Bulletin 120:1-16 [A. Hendy/A. Hendy] |