Locality 48: Caradoc, Canada
collected by R. Thorsteinsson 1950-
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anthozoa
- Heliolitida
- Halysitidae
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Halysites sp.
von Waldheim 1813
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Cephalopoda
- Pseudorthocerida
- Spyroceratidae
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Spyroceras sp.
Hyatt 1884
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| see common names | |||||||
Geography
| Country: | Canada | State/province: | Northwest Territories | County: | Cornwallis Island |
| Coordinates: | 75.1° North, 94.1° West (view map) | ||||
| Paleocoordinates: | 1.5° North, 39.5° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| 10 m.y. bin: | Ordovician 4-5 | ||
| Key time interval: | Caradoc | ||
| Age range of interval: | 458.40000 - 449.60000 m.y. ago |
Stratigraphy
| Geological group: | Cornwallis | Formation: | Irene Bay | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: uppermost part of formation. (PJW: That should be Irene Bay) | |||||
Lithology and environment
| Primary lithology: | lithified lime mudstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | R. Thorsteinsson | Collection dates: | 1950-53 |
| Taxonomic list comments:Identified by Wilson, Sweet, and Miller | |||
Metadata
| Database number: | 188776 | ||
| Authorizer: | M. Hopkins | Enterer: | M. Hopkins |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2017-09-18 13:57:43 | Last modified: | 2024-03-31 19:20:47 |
| Access level: | the public | Released: | 2017-09-18 13:57:43 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 63386. | R. Thorsteinsson. 1958. Cornwallis and Little Cornwallis Islands, District of Franklin, Northwest Territories. Geological Survey of Canada Memoirs 294:1-134 [M. Hopkins/M. Hopkins/M. Hopkins] |