Also known as Umpqua Formation (Daniels Creek, Coos Bay)
Where: Coos County, Oregon (43.4° N, 124.1° W: paleocoordinates 47.4° N, 105.1° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Umpqua Formation, Early/Lower Eocene (55.8 - 48.6 Ma)
• More than 100 feet of coarse conglomerate composed of reworked volcanics overlies the basalt. Above this, dark friable sandstone which yielded the fauna listed lies beneath another thin bed of conglomerate which is in turn overlain by a thin bed of limestone.
• bed-level stratigraphic resolution
Environment/lithology: coastal; tuffaceous, silty sandstone
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 37873: authorized by Austin Hendy, entered by Austin Hendy on 25.03.2004
Creative Commons license: CC BY (attribution)
Taxonomic list