ammonites

La Rochette: Late/Upper Tithonian - Early/Lower Berriasian, France
collected 1984-1985

Where & when
Geology
Taphonomy & methods
Metadata & references
Geography
Country:France State/province:Pas-du-Calais
Coordinates: 50.8° North, 1.6° East (view map)
Paleocoordinates:41.6° North, 11.0° East
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Key time interval:Late/Upper Tithonian - Early/Lower Berriasian
Age range of interval:150.8 - 140.2 m.y. ago
Stratigraphy
Stratigraphic resolution:bed
Stratigraphy comments: Unnamed "Portlandien" unit
Lithology and environment
Primary lithology:grading conglomeratic,calcareous sandstone
Includes fossils?Y
Environment:estuary/bay
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:medium
Disassociated minor elements:all
Fragmentation:frequent
Spatial resolution:allochthonous
Collection methods and comments
Collection methods:bulk,sieve
Reason for describing collection:general faunal/floral analysis
Collection dates:1984-1985
Metadata
Database number:92145
Authorizer:R. Butler Enterer:R. Butler
Research group:vertebrate
Created:2009-11-02 08:05:36 Last modified:2009-11-02 08:05:36
Access level:the public Released:2009-11-02 08:05:36
Reference information
Primary reference:
31034 G. Cuny, E. Buffetaut, H. Cappetta, M. Martin, J. M. Mazin and J. M. Rose. 1991. Nouveaux restes de Vertébrés du Jurassique terminal du Boulonnais (Nord de la France). Neues Jahrbuch für Geologie und Paläontologie Abhandlungen 180:323-347 [R. Butler/R. Butler/R. Butler]