Where: Tehama County, California (40.4° N, 122.5° W: paleocoordinates 40.5° N, 78.5° W)
• coordinate based on nearby landmark
• hand sample-level geographic resolution
When: Chickabolly Member (Budden Canyon Formation), Early/Lower Albian to Early/Lower Albian (112.0 - 99.6 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: basinal (); lithified, gray mudstone and lithified, concretionary limestone
Size class: microfossils
Preservation: original silica
Collection methods: chemical, hydroflouric,
Primary reference: 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] more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 54059: authorized by Wolfgang Kiessling, entered by Martin Riess on 22.09.2005