Chiaserna - Mt Catria summit road, Maiolica Fm, Bed 230: Early Valanginian, Italy
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda
- Ammonitida
- Neocomitidae
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Luppovella superba
(Sayn 1907)
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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: | Early Valanginian | ||
Age range of interval: | 139.8 - 132.6 m.y. ago |
Stratigraphy
Formation: | Maiolica | ||||
Local section: | Chiaserna - Mt Catria | Local bed: | 230 | ||
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 224-237: ?B. campylotoxus zone, lower Valanginian |
Lithology and environment
Primary lithology: | lithified chert |
Lithology description: The Maiolica Fm is a well - bedded chertbearing mudstone, white in colour. Bed 230 = chert bed (Fig. 2a) | |
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: | 65517 | ||
Authorizer: | M. Aberhan | Enterer: | S. Nurnberg | Research group: | marine invertebrate |
Created: | 2006-09-22 09:50:54 | Last modified: | 2006-09-22 12:50:54 |
Access level: | the public | Released: | 2006-09-22 09:50:52 |
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] |