Argun Formation

Geology

Members: unnamed (4)

Lithologies: "siliciclastic" (2), "shale" (2)

Paleoenvironments: marine indet. (2), terrestrial indet. (1), deep-water indet. (1)

Age range: base of the Oxfordian to the top of the Langhian or 161.50000 to 13.82000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Oxfordian161.5 - 154.8Russian Federation (Chita) (151557)
Early/Lower Aptian121.4 - 119.57Russian Federation (123220)
Early/Lower Miocene23.04 - 15.98Ukraine (Crimea) (144137)
Langhian15.98 - 13.82Ukraine (138757 188087)