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: Chickabally 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 54058: authorized by Wolfgang Kiessling, entered by Martin Riess on 22.09.2005

Creative Commons license: CC BY (attribution)