Also known as Tyee Formation (Camas Creek), Sitkum)

Where: Coos County, Oregon (43.2° N, 123.8° W: paleocoordinates 46.5° N, 106.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tyee Formation, Ypresian to Ypresian (56.0 - 41.3 Ma)

• Umpqua Formation overlies pre-Tertiary strata with depositional contacts. About 2000 ft of dark tuffaceous shale containing an abundant fauna is exposed in the creek bed.

• bed-level stratigraphic resolution

Environment/lithology: coastal; tuffaceous, sandy shale

Size class: macrofossils

Collection methods: quarrying,

Primary reference: J. E. Allen and E.M. Baldwin. 1944. Geology and coal resources of the Coos Bay Quadrangle, Oregon. State of Oregon Department of Geology and Mineral Industries Bulletin 27:1-160 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 37872: authorized by Austin Hendy, entered by Austin Hendy on 25.03.2004

Creative Commons license: CC BY (attribution)