| State | Wisconsin |
|---|---|
| Name | Maquoketa Formation |
| Geologic age | Ordovician |
| Lithologic constituents | Major
Sedimentary > Clastic > Mudstone > Shaleshale, dolomitic shale and dolomite; includes overlying Neda Formation (age uncertain) consisting of oolitic iron oxides and shale
Sedimentary > Carbonate > Dolostoneshale, dolomitic shale and dolomite; includes overlying Neda Formation (age uncertain) consisting of oolitic iron oxides and shale
|
| References | Mudrey, M.G., Jr., Brown, B.A., and Greenberg, J.K., 1982, Bedrock Geologic Map of Wisconsin: University of Wisconsin-Extension, Geological and Natural History Survey, scale 1:1,000,000. |
| NGMDB product | |
| Counties | Brown - Calumet - Dane - Dodge - Door - Fond du Lac - Grant - Iowa - Jefferson - Kenosha - Kewaunee - Lafayette - Milwaukee - Outagamie - Racine - Walworth - Washington - Waukesha |