Empire Formation

Geology

Members: unnamed (10), Coos Conglomerate (1)

Lithologies: claystone (1), "shale" (1), sandstone (9), conglomerate (1)

Paleoenvironments: marine indet. (1), shallow subtidal indet. (1), coastal indet. (9)

Age range: base of the Tortonian to the top of the Early/Lower Pliocene or 11.63000 to 3.60000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Tortonian11.63 - 7.246USA (Oregon) (57057 57128)
Messinian7.246 - 5.333USA (Oregon) (226463)
Early/Lower Pliocene5.333 - 3.6USA (Oregon) (71145 71146 71147 71148 71149 71150 71152 71153)