NW spur of Profilbjerg Unit 5: Griesbachian, Greenland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Bryozoa indet.
Ehrenberg 1831
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Strophomenata
- Productida
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Productida indet.
Sarycheva and Sokolskaya 1959
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Cephalopoda
- Ceratitida
- Ophiceratidae
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| see common names | |||||||
Geography
| Country: | Greenland |
| Coordinates: | 71.7° North, 23.9° West (view map) |
| Paleocoordinates: | 41.5° North, 22.4° East (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Triassic | Epoch: | Early Triassic |
| Stage: | Induan | 10 m.y. bin: | Triassic 1 |
| Key time interval: | Griesbachian | ||
| Age range of interval: | 251.902 - 250.5 m.y. ago |
Stratigraphy
| Formation: | Wordie Creek | Local bed: | Unit 5 | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Ophiceras sp. present, probably Upper Griesbachian. Some reowrked Permian material present | |||||
Lithology and environment
| Primary lithology: | micaceous,green sandstone |
| Secondary lithology: | green silty "shale" |
| Lithology description: 15-20m greenish, strongly micaceous sandstones in thick slabs, alternating with dark gray-green, silty shales. Clay boulders are frequent in the sandstones. Some beds of coarsely arenaceous limestone to calcareous sandstone contain Permian fossils, mainly bryozoa and prodcutid brachiopods, as wellls as a worn body chamber of Ophiceras sp. | |
| Environment: | transition zone/lower shoreface |
Taphonomy
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Unit 5 | ||
| Database number: | 48042 | ||
| Authorizer: | A. McGowan | Enterer: | A. McGowan |
| Modifier: | A. McGowan | Research group: | marine invertebrate |
| Created: | 2005-03-11 04:02:49 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2005-03-11 04:02:48 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 12856. | K. Grasmuck and R. Trümpy. 1969. Triassic stratigraphy and general geology of the country around Fleming Fjord. Meddeleser om Grønland 168(2):1-77 [A. McGowan/A. McGowan/M. Clapham] |