District of Mackenzie, Blackstone River North Section, Unit 15: Late/Upper Ordovician, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Rhynchonellida
- Rhynchotrematidae
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Rhynchotrema sp.
Hall 1860
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Anthozoa
- Stauriida
- Stauriidae
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Palaeophyllum sp.
Billings 1858
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Favistina sp.
Flower 1961
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Anthozoa
- Stauriida
- Streptelasmatidae
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Grewingkia sp.
Dybowski 1873
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Streptelasma sp.
Hall 1847
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Anthozoa
- Favositida
- Favositidae
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? Palaeofavosites sp.
(Twenhofel 1914)
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| original and current combination Paleofavosites | |||||||
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Anthozoa
- Favositida
- Syringolitidae
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Parafavosites sp.
Orlov 1930
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Anthozoa
- Heliolitida
- Halysitidae
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Catenipora aff. rubra
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| see common names | |||||||
Geography
| Country: | Canada | State/province: | Northwest Territories | County: | District of Mackenzie |
| Coordinates: | 65.7° North, 137.2° West (view map) | ||||
| Paleocoordinates: | 13.1° North, 54.3° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| 10 m.y. bin: | Ordovician 4-5 | ||
| *Period: | Late/Upper Ordovician | ||
| Key time interval: | Late/Upper Ordovician | ||
| Age range of interval: | 458.40000 - 443.80000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Stratigraphy comments: No group or formation names given. Collection taken from 2043-2053 feet above base. |
Lithology and environment
| Primary lithology: | brown,gray "limestone" |
| Secondary lithology: | brown dolomite |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: "Covered interval, float of limestone, aphanitic to finely crystalline, brown, pale brown, weathers grey; also of pale orange brown weathering dolomite in upper part of interval." | |
| Environment: | shallow subtidal indet. |
Taphonomy
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | species names |
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: Collection also includes a stromatoporoid. | |
Metadata
| Database number: | 25514 | ||
| Authorizer: | S. Holland | Enterer: | T. Hanson |
| Modifier: | S. Holland | Research group: | marine invertebrate |
| Created: | 2002-09-14 22:05:54 | Last modified: | 2003-07-07 09:49:09 |
| Access level: | the public | Released: | 2002-09-14 22:05:54 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 7121. | B. S. Norford. 1963. Reconnaissance of the Ordovician and Silurian rocks of Northern Yukon Territory. Geological Survey of Canada Department of Mines and Technical Surveys, Paper 63(39):1-139 [S. Holland/T. Hanson/P. Wagner] |