Valle del Ancón section, Sierra de los Organos, western Cuba - V: Berriasian, Cuba

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Protozoa
Radiolaria indet. Müller 1858
Protozoa - Calpionellida
unclassified
see common names

Geography
Country:Cuba
Coordinates: 22.7° North, 83.8° West (view map)
Paleocoordinates:1.4° North, 43.3° West (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Berriasian 10 m.y. bin: Cretaceous 1
Key time interval: Berriasian
Age range of interval: 143.1 - 137.05 m.y. ago
Stratigraphy
Formation:Guasasa Member:Tumbadero
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:gray lithified cherty/siliceous "limestone"
Secondary lithology: lithified "shale"
Lithology description: ca. 4 m. Dark and dark-grey partly silicified limestone, with intercalations of shale and dark chert layers.
Environment:offshore shelf
Geology comments: During the Early Cretaceous the environment of the Sierra de los Organos was one of deeper waters.
Taphonomy
Size of fossils:microfossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:57709
Authorizer:M. Aberhan Enterer:S. Nurnberg
Modifier:S. Nurnberg Research group:micropaleontology
Created:2005-12-20 02:31:07 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-12-20 02:31:07
Creative Commons license:CC0
Reference information

Primary reference:
15500. R. Myczynski. 1989. Ammonite biostratigraphy of the Tithonian of Western Cuba. Annales Societatis Geologorum Poloniae 59:43-125 [M. Aberhan/S. Nurnberg]