1AS-4a-AM well, 34.2 m (Solimões Fm): Middle Miocene - Late Miocene, Brazil
Where & when
Geology
Taphonomy & methods
Metadata & references
Geography
| Country: | Brazil | State/province: | Amazonas |
| Coordinates: | 4.4° South, 70.9° West (view map) | ||
| Paleocoordinates: | 3.7° South, 68.2° West (Wright 2013) | ||
| Basis of coordinate: | stated in text | ||
| Altitude: | 90 meters | ||
| Geographic resolution: | small collection |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 - Cenozoic 6 | ||
| Key time interval: | Middle Miocene - Late Miocene | Pollen zone: | Grimsdalea |
| Age range of interval: | 15.98 - 5.333 m.y. ago |
Stratigraphy
| Formation: | Solimoes | ||
| Local section: | 1AS-4a-AM well | Local bed: | 34.5 m |
| Local order: | bottom to top | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | not reported |
| Includes fossils? | Y |
| Lithology description: Sediments with abundant shells. | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body,original sporopollenin |
| Size of fossils: | microfossils |
Collection methods and comments
| Collection methods: | core,field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 125743 | ||
| Authorizer: | C. Jaramillo | Enterer: | A. Restrepo |
| Modifier: | A. Restrepo | Research group: | paleobotany |
| Created: | 2012-03-21 06:29:00 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2012-03-21 06:29:00 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 38834. | C. Hoorn. 1993. Marine incursions and the influence of Adean tectonics on the Miocene depositional history of northwestern Amazonia: results of a palynostratigraphic study. Palaeogeography, Palaeoclimatology, Palaeoecology 105:267-309 [C. Jaramillo/C. Jaramillo] |