Shawnee Group

Geology

Formations: Hamilton channel fill (1), Calhoun Shale (1), Deer Creek (8), Deer Creek Limestone (1), Kanwaka (8), Lecompton (2), Oread (4), Oread Limestone (33), Topeka (2)

Lithologies: not reported (2), mudstone (1), "shale" (15), "limestone" (43)

Paleoenvironments: marine indet. (18), carbonate indet. (7), platform/shelf-margin reef (32), estuary/bay (2), deep-water indet. (1)

Age range: base of the Virgilian to the top of the Gzhelian or 303.70000 to 298.90000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Gzhelian303.7 - 298.9USA (Kansas) (132987 132988 132993 133152 133154 133163 146376 159907 225446)
Gzhelian303.7 - 298.9USA (Nebraska) (132177)
Virgilian303.7 - 298.9USA (Nebraska) (50932 217124 217125 217126 217127)
Virgilian303.7 - 298.9USA (Kansas) (68427 71519 71520 111225 215555 217103 217104 217105 217106 217107 217108 217109 217110 217111 217112 217113 217114 217115 217116 217117 217118 217119 217120 217121 236624)
Virgilian303.7 - 298.9USA (Missouri) (157565 217122 217123)
Virgilian303.7 - 298.9USA (Iowa) (217128 217129 217130)
Virgilian303.7 - 298.9USA (Oklahoma) (217099 217100 217101 217102)
Rusavkinian303.7 - 287.6USA (Kansas) (124435)
Rusavkinian303.7 - 287.6USA (Nebraska) (124433 124434 124441 124444 124445 124479)
Rusavkinian303.7 - 287.6USA (Iowa) (124436 124440 124485 124490)