Where: Contra Costa County, California (37.9° N, 121.7° W: paleocoordinates 38.7° N, 107.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Domengine Formation, Lutetian (47.8 - 41.3 Ma)
• A short distance above basal conglomerate.
•Putnick et al. (2001): the Domengine and Avenal Sandstones correlate with earliest middle Eocene Chron C21r (47.9-49.0 Ma).
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified sandstone
Size class: macrofossils
Reposited in the UCMP
Primary reference: J. W. Durham. 1943. Pacific Coast Cretaceous and Tertiary corals. Journal of Paleontology 17(2):196-202 [W. Kiessling/W. Kiessling/W. Kiessling]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 185385: authorized by Matthew Clapham, entered by Matthew Clapham on 21.04.2017
Creative Commons license: CC BY (attribution)