Oread Limestone Formation

Geology

Group: Shawnee

Members: Leavenworth Limestone (32), Plattsmouth Limestone (1)

Lithologies: mudstone (1), "shale" (1), "limestone" (31)

Paleoenvironments: marine indet. (1), platform/shelf-margin reef (32)

Age range: base of the Missourian to the top of the Virgilian or 306.00000 to 298.90000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Missourian306.0 - 303.7USA (Kansas) (237802 237830 237831)
Virgilian303.7 - 298.9USA (Missouri) (217122 217123)
Virgilian303.7 - 298.9USA (Nebraska) (217124 217125 217126 217127)
Virgilian303.7 - 298.9USA (Kansas) (217103 217104 217105 217106 217107 217108 217109 217110 217111 217112 217113 217114 217115 217116 217117 217118 217119 217120 217121)
Virgilian303.7 - 298.9USA (Iowa) (217128 217129 217130)
Virgilian303.7 - 298.9USA (Oklahoma) (217099 217100 217101 217102)
Rusavkinian303.7 - 287.6USA (Iowa) (124485)