Gaspé Peninsula, Murphy Creek, White Head Formation Unit 1: Ashgill, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Conodonta
- Prioniodontida
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Aphelognathus politus
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| With Amorphognaths sp., comprises 70% of collection. | ||||||||||
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Conodonta
- Prioniodontida
- Balognathidae
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Amorphognathus sp.
Branson and Mehl 1933
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| Similar to A. ordovicicus | ||||||||||
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Conodonta
- Prioniodontida
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Phragmodus undatus
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Conodonta
- Belodellida
- Belodellidae
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Walliserodus cf. curvatus
(Branson and Branson 1947)
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Conodonta
- Panderodontida
- Panderodontidae
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Panderodus gracilis
(Branson and Mehl 1933)
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Conodonta
- Protopanderodontida
- Drepanoistodontidae
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Drepanoistodus suberectus
(Branson and Mehl 1933)
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| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Québec |
| Coordinates: | 48.7° North, 65.8° West (view map) | ||
| Paleocoordinates: | 23.6° South, 40.3° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| 10 m.y. bin: | Ordovician 5 | ||
| *Period: | Late/Upper Ordovician | *Epoch: | Ashgillian |
| *International age/stage: | Pusgillian | *Local age/stage: | Richmondian |
| Key time interval: | Ashgill | ||
| Age range of interval: | 449.60000 - 443.80000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | White Head | Member: | 1 | ||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: "Unit" 1. | |||||
Lithology and environment
| Primary lithology: | sandstone |
| Includes fossils? | Y |
| Lithology description: Basal sandstone and succeeding coarse calcarenite beds. | |
| Environment: | deep subtidal indet. |
Taphonomy
| Size of fossils: | microfossils |
Collection methods and comments
| Collection methods: | chemical,field collection |
| Collection size: | 130 specimens |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 24858 | ||
| Authorizer: | S. Holland | Enterer: | T. Hanson |
| Modifier: | J. Alroy | Research group: | marine invertebrate |
| Created: | 2002-08-21 14:43:13 | Last modified: | 2005-02-15 19:59:09 |
| Access level: | the public | Released: | 2002-08-21 14:43:13 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6965. | G. S. Nowlan. 1981. Late Ordovician - Early Silurian conodont biostratigraphy of the Gaspé Peninsula - a preliminary report. In P. J. Lespérance (ed.), Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group Guidebook 2:257-291 [S. Holland/T. Hanson/S. Bruning] |