GSC loc. 90949 - Hazelton: Middle Toarcian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Ostreida
- Posidoniidae
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Bositra buchi
(Roemer 1836)
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Aberhan 1998 | |||||||||
| shell pavement | ||||||||||
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Cephalopoda
- Ammonitida
- Hammatoceratidae
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Rarenodia planulata
Venturi 1975
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Cephalopoda
- Ammonitida
- Hildoceratidae
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Pseudolioceras sp.
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Leukadiella sp.
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Cephalopoda
- Ammonitida
- Dactylioceratidae
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Dactylioceratidae indet.
Hyatt 1867
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Cephalopoda
- Belemnitida
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Belemnitida indet.
Zittel 1895
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| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | British Columbia |
| Coordinates: | 55.5° North, 126.3° West (view map) | ||
| Paleocoordinates: | 34.7° North, 68.4° West | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Early Jurassic |
| Stage: | Toarcian | 10 m.y. bin: | Jurassic 3 |
| Key time interval: | Middle Toarcian | Ammonoid zone: | Rarenodia planulata |
| Age range of interval: | 182.9 - 180.4 m.y. ago |
Stratigraphy
| Geological group: | Hazelton | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Planulata Zone | |||||
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Lithology description: The Hazelton Group is a thick assemblage of basaltic to rhyolitic volcanics, sedimentary rocks, their tuffaceous equivalents, and minor limestone. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | mechanical,survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | GSC |
Metadata
| Database number: | 53218 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2005-09-07 06:00:37 | Last modified: | 2019-07-20 22:53:46 |
| Access level: | the public | Released: | 2005-09-07 06:00:37 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 15025. | G. K. Jakobs. 1997. Toarcian (Early Jurassic) ammonoids from western North America. Geological Survey of Canada, Bulletin 428:137pp. [M. Aberhan/S. Nurnberg/S. Nurnberg] |
Secondary references:
| 14361 | M. Aberhan. 1998. Early Jurassic Bivalvia of western Canada. Part I. Subclasses Palaeotaxodonta, Pteriomorpha, and Isofilibranchia. Beringeria 21:57-150 [M. Aberhan/S. Nurnberg/M. Uhen] |