McLeansboro Group

Geology

Formations: Bond (3), Matton (2), Mattoon (2), Patoka (3), Shelburn (6)

Lithologies: not reported (2), "shale" (4), "mixed carbonate-siliciclastic" (1), "limestone" (1), coal (8)

Paleoenvironments: marine indet. (1), terrestrial indet. (9), delta plain (1), offshore (1), mire/swamp (1), lacustrine deltaic indet. (1)

Age range: base of the Westphalian D to the top of the Missourian or 309.80000 to 303.70000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Carboniferous358.9 - 298.9USA (illinois) (25276)
Carboniferous358.9 - 298.9USA (Illinois) (25410)
Pennsylvanian323.2 - 298.9USA (Illinois) (12695 127212)
Pennsylvanian323.2 - 298.9USA (Indiana) (157803)
Westphalian D309.8 - 307.5USA (Indiana) (152112 226214)
Stephanian - Virgilian307.5 - 298.9USA (Illinois) (81114)
Late/Upper Pennsylvanian - Middle Pennsylvanian307.0 - 307.0USA (Indiana) (127209)
Late/Upper Pennsylvanian - Middle Pennsylvanian307.0 - 307.0USA (Illinois) (127217)
Late/Upper Pennsylvanian307.0 - 298.9USA (Illinois) (126963 126965 126968 157082)
Late/Upper Pennsylvanian307.0 - 298.9USA (Indiana) (127160)
Missourian306.0 - 303.7USA (Illinois) (51191 80714)