GSC loc. C-90527 - Spatsizi River: Early/Lower Pliensbachian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Eoderoceratidae
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Dubariceras silviesi
(Hertlein 1925)
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Cephalopoda
- Ammonitida
- Dactylioceratidae
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Reynesocoeloceras cf. incertum
(Fucini 1905)
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3 specimens | |||||||||
| (1 measurement) | ||||||||||
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Cephalopoda
- Nautilida
- Cenoceratidae
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Cenoceras sp.
Hyatt 1884
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| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | British Columbia |
| Coordinates: | 57.5° North, 128.9° West (view map) | ||
| Paleocoordinates: | 33.0° North, 71.0° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| Stage: | Pliensbachian | 10 m.y. bin: | Jurassic 2 |
| Key time interval: | Early/Lower Pliensbachian | ||
| Age range of interval: | 192.90000 - 184.20000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | lithified calcareous siltstone |
| Environment: | transition zone/lower shoreface |
| Geology comments: The Joan Fm. contains a diverse bivalve fauna that indicates a relatively shallow to moderately deep water environment of deposition, corresponding to composite assemblage depth zones B and C of Taylor (1982). | |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | poor |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | GSC |
Metadata
| Database number: | 55595 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2005-11-01 12:01:49 | Last modified: | 2006-04-07 10:41:07 |
| Access level: | the public | Released: | 2005-11-01 12:01:49 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 15007. | R. C. Thomson and P. L. Smith. 1992. Pliensbachian (Lower Jurassic) biostratigraphy and ammonite fauna of the Spatsizi area, north-central British Columbia. Geological Survey of Canada Bulletin 437:1-87 [M. Aberhan/S. Nurnberg/M. Clapham] |