Carta Geológica 208-209, Locality 8: Neocomian, Chile
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Trigoniida
- Steinmanellidae
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| see common names | |||||||
Geography
| Country: | Chile | State/province: | Ovalle |
| Coordinates: | 30.7° South, 71.2° West (view map) | ||
| Paleocoordinates: | 33.9° South, 30.2° West (Wright 2013) | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | local area |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| 10 m.y. bin: | Cretaceous 1-2 | ||
| Key time interval: | Neocomian | ||
| Age range of interval: | 143.1 - 125.77 m.y. ago |
Stratigraphy
| Formation: | Formación Arqueros | ||||
| Stratigraphy comments: Formación Arqueros (Valanginiano-Aptiano) |
Lithology and environment
| Primary lithology: | calcareous grainstone |
| Secondary lithology: | calcareous wackestone |
| Lithology description: (b) Calizas tipo grainstone, wackestone y rudstone bien estratificadas, portadoras de fósiles de invertebrados marinos intercaladas con lutitas y areniscas carbonáticas. En menor medida incluye areniscas y conglomerados finos con imbricación. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 222428 | ||
| Authorizer: | M. Rivadeneira | Enterer: | S. Araya |
| Created: | 2021-09-24 18:22:06 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2021-09-24 18:22:06 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 78179. | F. Coloma, J. Álvarez, C. Creixell, C. Emparán, E. Salazar and M. Calderón. 2020. Geología de las áreas Ovalle y Peña Blanca, Región de Coquimbo Nos. 208-209. [M. Rivadeneira/S. Araya/S. Araya] |