Locality 40, unit 53, 103 feet below top: Wenlock - Ludlow, Canada
collected by R. Thorsteinsson 1950-
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
- Murchisoniina
- Loxonematidae
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Loxonema sp.
Phillips 1841
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Trilobita
- Phacopida
- Calymenidae
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Calymene sp.
Brongniart 1822
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see common names |
Geography
Country: | Canada | State/province: | Northwest Territories | County: | Cornwallis Island |
Coordinates: | 74.8° North, 93.5° West (view map) | ||||
Paleocoordinates: | 3.0° North, 33.2° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | outcrop |
Stratigraphy
Lithology and environment
Primary lithology: | gray lithified argillaceous lime mudstone |
Secondary lithology: | poorly lithified "shale" |
Includes fossils? | Y |
Lithology description: Argillaceous limestone; light grey to medium dark-grey, weathering yellowish grey, very thin-bedded, flaggy, hard, dense, sublithographic to finely crystalline; a few beds medium to coarsely crystalline; irregularly bedded; light to medium grey shale partings constitute significant elements | |
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 | ||
Museum repositories: | GSC | ||
Collectors: | R. Thorsteinsson | Collection dates: | 1950-53 |
Metadata
Database number: | 188793 | ||
Authorizer: | M. Hopkins | Enterer: | M. Hopkins |
Modifier: | M. Hopkins | Research group: | marine invertebrate |
Created: | 2017-09-18 17:37:19 | Last modified: | 2017-09-19 10:50:52 |
Access level: | the public | Released: | 2017-09-18 17:37:19 |
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] |