Snorre Field well 34/4-9S: Rhaetian, North Atlantic
collected 1997
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Reptilia
- Plateosauridae
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1 specimen |
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| PMO 207.207 |
| see common names |
| 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 |
| Period: | Triassic |
Epoch: | Late Triassic |
| Stage: | Rhaetian |
10 m.y. bin: | Triassic 4 |
| Key time interval: | Rhaetian |
| Age range of interval: | 208.5 - 201.4 m.y. ago |
| Formation: | Lunde |
| Stratigraphic resolution: | bed |
| Stratigraphy comments: uppermost part of upper member of formation; Early Rhaetian |
| 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." |
| 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: | core,peel or thin section,field collection |
| Reason for describing collection: | general faunal/floral analysis |
| Collection dates: | 1997 |
| 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 |
| 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] |