Guttenberg Formation

Geology

Group: Galena

Members: unnamed (9), Glenhaven (1)

Lithologies: mudstone (1), "shale" (6), "limestone" (8), "carbonate" (1)

Paleoenvironments: marine indet. (1), carbonate indet. (7), sand shoal (1), offshore indet. (1)

Age range: base of the Rocklandian to the top of the Kirkfieldian or 457.30000 to 449.60000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Rocklandian457.3 - 449.6USA (Iowa/Wisconsin) (23116)
Rocklandian457.3 - 449.6USA (Illinois) (211925)
Rocklandian457.3 - 449.6USA (Iowa) (23207)
Rocklandian457.3 - 449.6USA (Wisconsin) (81283 90362)
Rocklandian457.3 - 449.6USA (Minnesota, Iowa, Wisconsin, Illinois) (23314)
Rocklandian - Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) (23457 23622 23796)
Rocklandian - Kirkfieldian457.3 - 449.6USA (Illinois, Iowa, Wisconsin) (23762)