Coleraine Formation

Geology

Members: unnamed (9)

Lithologies: not reported (3), "shale" (2), sandstone (2), conglomerate (4), ironstone (1)

Paleoenvironments: marine indet. (7), terrestrial indet. (1), marginal marine indet. (1)

Age range: base of the Turonian to the top of the Late/Upper Cenomanian or 93.90000 to 93.50000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Cenomanian99.6 - 93.5USA (Minnesota) (61819 88011 88015 175723)
Late/Upper Cenomanian - Turonian99.6 - 89.8USA (Minnesota) (222676)
Turonian93.9 - 89.8USA (Minnesota) (1987 1989 1990 116293)