Snorre Field well 34/4-9S: Rhaetian, North Atlantic
collected 1997
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Plateosauridae
|
||||||||||
| 1 specimen | ||||||||||
| PMO 207.207 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | North Atlantic |
| Coordinates: | 61.5° North, 2.2° East (view map) |
| Paleocoordinates: | 44.3° North, 5.8° East (Wright 2013) |
| Basis of coordinate: | stated in text |
| Geographic resolution: | small collection |
Time
| Period: | Triassic | Epoch: | Late Triassic |
| Stage: | Rhaetian | 10 m.y. bin: | Triassic 4 |
| Key time interval: | Rhaetian | ||
| Age range of interval: | 205.7 - 201.4 m.y. ago |
Stratigraphy
| Formation: | Lunde | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: uppermost part of upper member of formation; Early Rhaetian | |||||
Lithology and environment
| Primary lithology: | desiccation cracks,paleosol/pedogenic,concretionary,brown,red calcareous mudstone | ||
| Includes fossils? | Y | ||
| Lithology description: "reddish-brown, mudstone interval...The paleosols are characterized by carbonate nodules, pedogenic mud aggregates and slickensides, mottling, root traces and mud cracks." | |||
| Environment: | dry floodplain | Tectonic setting: | rift |
| Geology comments: "composed of dominantly compound and cumulative paleosols that formed in distal to fluvial channels in a flood-plain...The paleosol type is similar to modern vertisols forming in semi-arid areas with seasonal precipitation, commonly with dry periods lasting 4-8 months." | |||
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils,microfossils |
| Preservation of anatomical detail: | poor |
| Abundance in sediment: | rare |
| Disassociated minor elements: | all |
| Fragmentation: | frequent |
| Temporal resolution: | snapshot |
Collection methods and comments
| Collection methods: | core,peel or thin section,field collection |
| Reason for describing collection: | general faunal/floral analysis | Collection dates: | 1997 |
Metadata
| Database number: | 64316 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Clapham | Research group: | vertebrate |
| Created: | 2006-09-06 06:24:53 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2006-09-06 06:24:53 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 18552. | ETE | J. H. Hurum, M. Bergan, R. Müller, J. P. Nystuen, and N. Klein. 2006. A Late Triassic dinosaur bone, offshore Norway. Norwegian Journal of Geology 86:117-123 [M. Carrano/M. Carrano] |