Lisbon Formation
Geology
Group: Claiborne
Members: unnamed (45), Lower (6), Lower Lisbon (2), Middle (1), Upper (40), Upper Lisbon (4)
Lithologies: not reported (21), siltstone (7), sandstone (61), conglomerate (1), marl (12), lime mudstone (1), "limestone" (7)
Paleoenvironments: marine indet. (23), carbonate indet. (3), shallow subtidal indet. (28), coastal indet. (22), offshore (21), "floodplain" (1)
Age range: base of the Early/Lower Jurassic to the top of the Late/Upper Eocene or 201.40000 to 33.90000 Ma
Collections