2007-PR-5: Hirnantian, Canada
collected by A. Achab, A. Desrochers 2008
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Protozoa
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Tanuchitina laurentiana
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Belonechitina microcantha
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typica | ||||||||||
Rhabdochitina ellisbayensis
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Cyathochitina kukersiana
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see common names |
Geography
Country: | Canada | State/province: | Quebec |
Coordinates: | 49.3° North, 61.8° West (view map) | ||
Paleocoordinates: | 22.7° South, 36.1° West | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | hand sample |
Time
Period: | Ordovician | Epoch: | Late/Upper Ordovician |
Stage: | Hirnantian | 10 m.y. bin: | Ordovician 5 |
Key time interval: | Hirnantian | Other zone: | Chitinozoa |
Age range of interval: | 445.20000 - 443.40000 m.y. ago |
Stratigraphy
Formation: | Ellis Bay | Member: | Lousy Cove |
Local section: | Fox Point/Lousy Cove | Local bed: | 3.3 m |
Local order: | bottom to top | ||
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | lithified "limestone" | ||
Lithology description: thin-bedded limestone | |||
Environment: | carbonate indet. | Tectonic setting: | foreland basin |
Taphonomy
Modes of preservation: | body,original chitin |
Size of fossils: | microfossils |
Temporal resolution: | time-averaged |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection methods: | bulk,chemical,field collection | ||
Collection size: | 55 specimens | ||
Rock censused: | 10 g | ||
Reason for describing collection: | biostratigraphic analysis | ||
Collectors: | A. Achab, A. Desrochers | Collection dates: | 2008 |
Metadata
Database number: | 190724 | ||
Authorizer: | S. Finnegan | Enterer: | S. Finnegan |
Modifier: | S. Finnegan | Research group: | micropaleontology |
Created: | 2017-12-14 19:03:57 | Last modified: | 2017-12-18 13:14:10 |
Access level: | the public | Released: | 2017-12-14 19:03:57 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
64099. | A. Achab, E. Asselin, A. Desrochers, J. F. Riva, and C. Farley. 2010. Chitinozoan biostratigraphy of a new Upper Ordovician stratigraphic framework for Anticosti Island, Canada. Geological Society America Bulletin 123(1/2):186-205 [S. Finnegan/S. Finnegan] |