MacDonald River Section Unit 11 174-219 ft: Richmondian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Strophomenata
- Strophomenida
- Furcitellidae
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? Leptaena nitens
(Billings 1860)
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| recombined as Megamyonia nitens | ||||||||||
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Strophomenata
- Strophomenida
- Plectambonitidae
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Plectambonites sericeus
Sowerby 1839
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| Plectambonites sericeus glaber | ||||||||||
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Rhynchonellata
- Orthida
- Plectorthidae
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Hebertella maria
(Billings 1862)
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Tentaculitida
- Costatulitidae
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Cornulites richmondensis
(Miller 1874)
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| recombined as Costatulites richmondensis | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Quebec | County: | Anticosti Island |
| Coordinates: | 49.7° North, 63.0° West (view map) | ||||
| Paleocoordinates: | 23.1° South, 38.1° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| Stage: | Katian | 10 m.y. bin: | Ordovician 5 |
| Key time interval: | Richmondian | Other zone: | Hercochitina crickmayi |
| Age range of interval: | 449.80000 - 446.00000 m.y. ago |
Stratigraphy
| Geological group: | Anticosti | Formation: | Vauréal | Member: | Homard |
| Local section: | MacDonald River Section | Local bed: | 174-219 ft | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Given as Vaureal Zone 1. | |||||
Lithology and environment
| Primary lithology: | nodular,blue "shale" |
| Secondary lithology: | blue "limestone" |
| Includes fossils? | Y |
| Lithology description: Nodular blue shale with occasional thin beds of hard blue limestone | |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | GSC |
Metadata
| Database number: | 173872 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2015-10-20 20:17:34 | Last modified: | 2015-10-22 21:04:10 |
| Access level: | the public | Released: | 2015-10-20 20:17:34 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11416. | W. H. Twenhofel. 1928. Geology of Anticosti Island. Geological Survey of Canada Memoir 154(2132):1-351 [P. Wagner/P. Wagner/P. Wagner] |