Chiaserna - Mt Catria summit road, Maiolica Fm, Bed 338: Late Valanginian, Italy
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Cephalopoda
- Ammonitida
- Neocomitidae
|
|||||||
|
Criosarasinella cf. furcillata
Thieuloy 1977
|
|||||||
| see common names | |||||||
Geography
| Country: | Italy |
| Coordinates: | 43.5° North, 12.7° East (view map) |
| Paleocoordinates: | 29.8° North, 18.6° East |
| Basis of coordinate: | estimated from map |
| Altitude: | 1100 meters |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Valanginian | 10 m.y. bin: | Cretaceous 1 |
| Key time interval: | Late Valanginian | ||
| Age range of interval: | 139.8 - 132.6 m.y. ago |
Stratigraphy
| Formation: | Maiolica | ||||
| Local section: | Chiaserna - Mt Catria | Local bed: | 338 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: The uppermost Berriasian to lowermost Hauterivian interval is 140 m thick. 307 beds have been sampled, key-numbered 100 to 407 (bottom to top). Only the ammonite bearing beds are listed. Beds 330-351: N. (T.) pachydicranus zone, upper Valanginian | |||||
Lithology and environment
| Primary lithology: | white lithified lime mudstone |
| Lithology description: The Maiolica Fm is a well - bedded chertbearing mudstone, white in colour. | |
| Environment: | offshore indet. |
| Geology comments: The pelagic Maiolica Fm is part of the succession that was deposited in a structural basin that originated through rifting in the Lower Jurassic. | |
Taphonomy
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 65571 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2006-09-22 12:06:16 | Last modified: | 2006-09-22 15:06:16 |
| Access level: | the public | Released: | 2006-09-22 12:06:15 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 18868. | P. Faraoni, D. Flore, A. Marini, G. Pallini, and N. Pezzoni. 1997. Valanginian and early Hauterivian ammonite successions in the Mt Catria group (Central Apennines) and the Lessini Mts (Southern Alps), Italy. Palaeopelagos 7:59-100 [M. Aberhan/S. Nurnberg] |