District of Mackenzie, Monster River Headwaters, Unit 11 Road River Formation: Ludlow, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pterobranchia
- Graptoloidea
- Cryptograptidae
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Linograptus phillipsi
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Linograptus phillipsi multiramosus | ||||||||||
Pterobranchia
- Graptoloidea
- Monograptidae
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Monograptus sp.
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Monograptus cf. crinitus
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Monograptus bohemicus
(Barrande 1850)
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recombined as Bohemograptus bohemicus | ||||||||||
see common names |
Geography
Country: | Canada | State/province: | Northwest Territories | County: | District of Mackenzie |
Coordinates: | 64.9° North, 139.6° West (view map) | ||||
Paleocoordinates: | 6.8° North, 52.3° West | ||||
Basis of coordinate: | stated in text | ||||
Geographic resolution: | outcrop |
Time
Period: | Silurian | Epoch: | Ludlow |
10 m.y. bin: | Silurian 2 | ||
*Period: | Late/Upper Silurian | *Epoch: | Early/Lower Ludlow |
Key time interval: | Ludlow | ||
Age range of interval: | 427.40000 - 423.00000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Road River | ||||
Stratigraphic resolution: | formation | ||||
Stratigraphy comments: Collection taken from 1961-1971 feet above base. |
Lithology and environment
Primary lithology: | gray "shale" |
Includes fossils? | Y |
Lithology description: "Shale, limy, dark grey, weathers dark grey, very recessive." | |
Environment: | deep subtidal indet. |
Taphonomy
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 25531 | ||
Authorizer: | S. Holland | Enterer: | T. Hanson |
Modifier: | S. Holland | Research group: | marine invertebrate |
Created: | 2002-09-15 14:36:59 | Last modified: | 2003-07-08 09:41:30 |
Access level: | the public | Released: | 2002-09-15 14:36:59 |
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] |