Locality 38, unit 8: Ludlow, Canada
collected by R. Thorsteinsson 1950-
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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? Protarea sp.
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Cephalopoda
- Orthocerida
- Orthoceratidae
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Michelinoceras informal sp. A
Foerste 1932
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Rhynchonellata
- Pentamerida
- Pentameridae
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? Harpidium groenlandicum
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see common names |
Geography
Country: | Canada | State/province: | Northwest Territories | County: | Cornwallis Island |
Coordinates: | 74.8° North, 93.4° West (view map) | ||||
Paleocoordinates: | 2.0° North, 31.9° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | outcrop |
Time
Period: | Silurian | Epoch: | Ludlow |
10 m.y. bin: | Silurian 2 | ||
Key time interval: | Ludlow | ||
Age range of interval: | 427.40000 - 423.00000 m.y. ago |
Stratigraphy
Lithology and environment
Primary lithology: | shelly/skeletal,gray,yellow lithified "limestone" |
Includes fossils? | Y |
Lithology description: Limestone; crinoidal in part, greyish yellow, weathering similar, thin-bedded, flaggy to slabby, more or less dense, medium to coarsely crystalline | |
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: | biostratigraphic analysis | ||
Museum repositories: | GSC | ||
Collectors: | R. Thorsteinsson | Collection dates: | 1950-53 |
Metadata
Database number: | 188896 | ||
Authorizer: | M. Hopkins | Enterer: | M. Hopkins |
Modifier: | M. Hopkins | Research group: | marine invertebrate |
Created: | 2017-09-20 09:03:56 | Last modified: | 2017-09-20 09:04:16 |
Access level: | the public | Released: | 2017-09-20 09:03:56 |
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] |