Suplee-Izee area, OR-536 (Jurassic of the United States)
Where: Oregon (44.1° N, 119.4° W: paleocoordinates 28.4° N, 56.1° W)
• coordinate estimated from map
• hand sample-level geographic resolution
When: Nicely Formation, Late/Upper Pliensbachian (189.6 - 183.0 Ma)
Environment/lithology: marine; lithified, gray siltstone
• dark gray, silty shales and mudstones typified by abundant, variably sized dark gray to black limestone (calcilutite) nodules.
Size class: microfossils
Preservation: original silica
Primary reference: E. A. Pessagno, Jr. and P.A. Whalen. 1982. Lower and Middle Jurassic Radiolaria (multicyrtid Nassellariina) from California, east-central Oregon and the Queen Charlotte Islands, B.C. Micropaleontology 28(2):111-169 [A. Miller/K. Layou/K. Layou] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 127237: authorized by József Pálfy, entered by Adam Kocsis on 04.05.2012