Spencer Formation

Geology

Members: unnamed (2)

Lithologies: "shale" (1), sandstone (2)

Paleoenvironments: marine indet. (2)

Age range: base of the Bartonian to the top of the Middle Pleistocene or 41.03000 to 0.12900 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Bartonian41.03 - 37.71USA (Oregon) (200856 201281)
Middle Pleistocene0.774 - 0.129Bermuda (67949 67950 67961 67962)