Gran Barranca faunule 21: Bartonian, Argentina
Where & when
Geology
Taphonomy & methods
Metadata & references
Geography
| Country: | Argentina | State/province: | Chubut |
| Coordinates: | 45.7° South, 68.7° West (view map) | ||
| Paleocoordinates: | 48.0° South, 59.3° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Bartonian | 10 m.y. bin: | Cenozoic 3 |
| Key time interval: | Bartonian | Mammal zone: | Barrancan |
| Age range of interval: | 41.2 - 37.71 m.y. ago |
Stratigraphy
| Formation: | Sarmiento | Member: | Gran Barranca | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Barrancan SALMA, Middle Eocene (Woodburne et al. 2014).
Near middle of Gran Barranca section VI of Cifelli (1985), in "gry. to pnk. tuff" | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 176193 | ||
| Authorizer: | J. Zijlstra | Enterer: | J. Zijlstra |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Subset of collection #: | 13779 | ||
| Created: | 2016-01-30 19:47:58 | Last modified: | 2022-05-05 07:30:21 |
| Access level: | the public | Released: | 2016-01-30 19:47:58 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 57836. | R. Cifelli. 1985. Biostratigraphy of the Casamayoran, Early Eocene of Patagonia. American Museum Novitates 2820:1-26 [J. Zijlstra/J. Zijlstra] |