Kogsta Formation

Geology

Members: unnamed (4)

Lithologies: "shale" (2), siltstone (4)

Paleoenvironments: marine indet. (1), offshore shelf (3)

Age range: base of the Keila to the top of the Hirnantian or 453.90000 to 443.10000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Keila - Rakvere453.9 - 450.5Sweden (Jämtland) (167301)
Hirnantian445.2 - 443.1Sweden (Jamtland) (153328 153329 153330 212346)