Canyon River, CR2 (Oligocene of the United States)

Also known as LACMIP 16504, UWBM B6706, CR3

Where: Grays Harbor County, Washington (47.3° N, 123.5° W: paleocoordinates 47.0° N, 114.6° W)

• small collection-level geographic resolution

When: Lincoln Creek Formation, Chattian (28.1 - 23.0 Ma)

• "lower part of upper Oligocene part of the formation"

Environment/lithology: basinal (); calcareous, cherty/siliceous limestone

• "upper bathyal depths in cool to cold water", "sponges preserved as silica in a localized cherty and botryoidal, calcareous cement-filled limestone formed at bathyal depths by bacterial oxidation of methane at a cold seep"; whale fall; methane-seep

Size class: macrofossils

Reposited in the LACM

Primary reference: J. Peckmann, J. L. Goedert, V. Thiel, W. Michaelis, and J. Reitners. 2002. A comprehensive approach to the study of methane-seep deposits from the Lincoln Creek Formation, western Washington State, USA. Sedimentology 49:855-873 [M. Uhen/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 206066: authorized by Mark Uhen, entered by Mark Uhen on 29.10.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

• no comprehensive list appears to have been published
Show authors, comments, and common names
Bivalvia
 Solemyida - Solemyidae
Acharax sp.
Acharax sp. Dall 1908 Awning Clam
 Lucinida - Thyasiridae
Conchocele bisecta
Conchocele bisecta Conrad 1849 clam