List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Ostracoda
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Ostracoda indet.
Latreille 1802
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9 individuals | |||||||||
| Valves | ||||||||||
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unclassified
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Bivalva indet.
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1 individual | |||||||||
| Valve | ||||||||||
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Nodosariata
- Vaginulinida
- Vaginulinidae
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Lenticulina midwayensis
Plummer 1927
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1 individual | |||||||||
| Shells | ||||||||||
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Globothalamea
- Rotaliida
- Anomalinidae
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Anomalinoides sp.
Brotzen 1942
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1 individual | |||||||||
| Shells | ||||||||||
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Globothalamea
- Rotaliida
- Alabaminidae
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Alabamina midwayensis
Brotzen 1948
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2 individuals | |||||||||
| Shells | ||||||||||
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Globothalamea
- Rotaliida
- Cibicididae
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Cibicidoides cf. vulgaris
Plummer 1927
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1 individual | |||||||||
| Shells | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Chubut |
| Coordinates: | 42.8° South, 68.3° West (view map) | ||
| Paleocoordinates: | 45.3° South, 55.4° West | ||
| Basis of coordinate: | stated in text |
Stratigraphy
| Formation: | Lefipán | ||
| Local section: | Las Coloradas es-1 | Local bed: | 200-210 m |
| Local order: | top to bottom |
Lithology and environment
| Primary lithology: | very fine,fine,quartzose,green sandstone |
| Includes fossils? | Y |
| Lithology description: Greyish-green clayey sandstone, very fine to fine. Lithic quartzite, little consolidated. Regular to good selection. | |
| Environment: | marine indet. |
| Geology comments: Shallow marine environment of normal salinity and warm-temperate temperature | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | microfossils |
| Preservation of anatomical detail: | good |
| Fragmentation: | occasional |
| Bioerosion: | none |
Collection methods and comments
| Collection excludes: | all microfossils | ||
| Collection methods: | core,chemical,field collection | ||
| Rock censused: | 15 g | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | YPF | Collection dates: | 2011 |
Metadata
| Database number: | 231978 | ||
| Authorizer: | E. Vlachos | Enterer: | F. Aspromonte | Research group: | micropaleontology |
| Created: | 2023-10-10 10:13:22 | Last modified: | 2023-10-10 10:13:22 |
| Access level: | the public | Released: | 2023-10-10 10:13:22 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 85994. | A. Missotti. 2022. Foraminíferos paleocenos del pozo YPF-CH-LCOL-ES-1 (Las Coloradas), Cuenca de Cañadón Asfalto: sistemática y aspectos paleoecológicos. 1-101 [E. Vlachos/F. Aspromonte] |