Alvitas Formation
Geology
Members: unnamed (4)
Lithologies: marl (4), "limestone" (3)
Paleoenvironments: marine indet. (2), carbonate indet. (2)
Age range: Oandu or 453.00000 to 451.80000 Ma
Alvitas Formation
Members: unnamed (4)
Lithologies: marl (4), "limestone" (3)
Paleoenvironments: marine indet. (2), carbonate indet. (2)