Dry Creek, NSF 1030: Early Albian - Late Albian, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Protozoa - Nassellaria - Pseudodictyomitridae
Protozoa - Nassellaria - Williriedellidae
Protozoa - Nassellaria - Archaeodictyomitridae
see common names

Geography
Country:United States State/province:California County:Tehama
Coordinates: 40.4° North, 122.5° West (view map)
Paleocoordinates:46.5° North, 75.4° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:hand sample
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Albian 10 m.y. bin: Cretaceous 4
Key time interval: Early Albian - Late Albian
Age range of interval: 113.2 - 100.5 m.y. ago
Stratigraphy
Formation:Budden Canyon Member:Chickabally
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:gray lithified mudstone
Secondary lithology:concretionary lithified "limestone"
Includes fossils?Y
Lithology description: limestone (calcilutite) nodules in dark-gray mudstone
Environment:basinal (siliciclastic) Tectonic setting:deep ocean basin
Taphonomy
Modes of preservation:body,original silica
Size of fossils:microfossils
Preservation of anatomical detail:excellent
Collection methods and comments
Collection methods:chemical,hydroflouric,field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:54059
Authorizer:W. Kiessling Enterer:M. Riess
Modifier:M. Carrano Research group:micropaleontology
Created:2005-09-22 06:31:14 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-09-22 06:31:14
Creative Commons license:CC0
Reference information

Primary reference:
14600. E. Pessagno. 1977. Lower cretaceous radiolarian biostratigraphy of the Great Valley sequence and Franciscan complex, California coast ranges. Cushman Foundation for foraminiferal research, Special Publication (15)1-87 [W. Kiessling/M. Riess/M. Riess]