Opalinus Clay Formation

Geology

Members: unnamed (17)

Lithologies: mudstone (15), marl (1), "limestone" (1)

Paleoenvironments: marine indet. (15), carbonate indet. (2)

Age range: Opalinum or 175.60000 to 171.60000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Middle Aalenian175.6 - 171.6Germany (139786 139787)
Opalinum175.6 - 171.6Switzerland (138776 138777 138778 138779 138780 138781 138782 138783 138784 138785 138786 138787 138788 138789 138791)