Logansport Formation

Geology

Group: Midway

Members: unnamed (13)

Lithologies: not reported (1), claystone (7), siltstone (4), "limestone" (2)

Paleoenvironments: marine indet. (2), carbonate indet. (2), offshore (10)

Age range: base of the Givetian to the top of the Selandian or 387.70000 to 59.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Middle Devonian393.3 - 382.7USA (Indiana) (206818)
Givetian387.7 - 382.7USA (Indiana) (170009)
Danian - Selandian66.0 - 59.2USA (Louisiana) (92158)
Danian - Thanetian66.0 - 56.0USA (Louisiana) (52190 52191 52192 52193 52194 52195 52196 52197 52198 52199 99713)