Whitehorse Trough, Atlin Lake, GSC Locality C-203275: Late/Upper Pliensbachian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Dactylioceratidae
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Reynesoceras cf. colubriforme
(Bettoni 1900)
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Johannson et al. 1997 | ||||||
| recombined as Prodactylioceras colubriforme | |||||||
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Cephalopoda
- Ammonitida
- Hildoceratidae
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Arieticeras cf. algovianum
(Oppel 1862)
|
Johannson et al. 1997 | ||||||
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Protogrammoceras cf. nipponicum
|
Johannson et al. 1997 | ||||||
| see common names | |||||||
Geography
| Country: | Canada | State/province: | British Columbia |
| Coordinates: | 59.2° North, 133.9° West (view map) | ||
| Paleocoordinates: | 34.1° North, 74.5° West | ||
| Basis of coordinate: | stated in text |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| Stage: | Pliensbachian | 10 m.y. bin: | Jurassic 2 |
| Key time interval: | Late/Upper Pliensbachian | Ammonoid zone: | Kunae |
| Age range of interval: | 192.90000 - 184.20000 m.y. ago |
Lithology and environment
| Primary lithology: | coarse poorly lithified sandy sandstone | ||
| Secondary lithology: | "volcaniclastic" | ||
| Environment: | submarine fan | Tectonic setting: | forearc basin |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Field No. GGAJ-92-87-F | ||
| Database number: | 198460 | ||
| Authorizer: | A. Kocsis | Enterer: | D. Dimitrijevic |
| Modifier: | E. Kovács | Research group: | marine invertebrate |
| Created: | 2018-12-16 11:47:20 | Last modified: | 2019-02-22 14:41:45 |
| Access level: | authorizer only | Released: | 2020-12-16 11:47:20 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 67882. | G. G. Johannson. 1994. Provenance Constraints on Early Jurassic Evolution of the Northern Stikinian Arc: Laberge Group, Whitehorse Trough, Northwestern British Columbia. [J. Pálfy/E. Kovács] |
Secondary references:
| 67537 | G. G. Johannson, P. L. Smith , and S. P. Gordey. 1997. Early Jurassic evolution of the northern Stikinian arc: evidence from the Laberge Group, northwestern British Columbia. Canadian Journal of Earth Sciences (34)1030-1057 [A. Kocsis/D. Dimitrijevic] |