2008-PR-3.3: Richmondian, Canada
collected by A. Achab, A. Desrochers 2008
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Parachitina curvata
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Ancyrochitinid indet.
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Protozoa
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Hercochitina normalis
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Hercochitina crickmayi
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Tanuchitina laurentiana
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| see common names | |||||||
Geography
| Country: | Canada | State/province: | Quebec |
| Coordinates: | 49.3° North, 61.8° West (view map) | ||
| Paleocoordinates: | 23.6° South, 37.4° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | hand sample |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| Stage: | Katian | 10 m.y. bin: | Ordovician 5 |
| Key time interval: | Richmondian | Other zone: | Hercochitina crickmayi |
| Age range of interval: | 449.80000 - 446.00000 m.y. ago |
Stratigraphy
| Formation: | Vaureal | Member: | Grindstone |
| Local section: | Fox Point/Lousy Cove | Local bed: | 4.5 m |
| Local order: | bottom to top | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified calcareous "shale" | ||
| Secondary lithology: | lithified sandstone | ||
| 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: | 140 specimens | ||
| Rock censused: | 10 g | ||
| Reason for describing collection: | biostratigraphic analysis | ||
| Collectors: | A. Achab, A. Desrochers | Collection dates: | 2008 |
Metadata
| Database number: | 190708 | ||
| Authorizer: | S. Finnegan | Enterer: | S. Finnegan |
| Modifier: | P. Wagner | Research group: | micropaleontology |
| Created: | 2017-12-14 17:08:24 | Last modified: | 2018-03-13 14:05:47 |
| Access level: | the public | Released: | 2017-12-14 17:08:24 |
| 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] |