| Lat / long: | 42.31251, -90.24011 |
| Primary: | Lead |
| Tertiary: | Zinc |
| Ore: | Galena, Sphalerite |
| Gangue: | Calcite, Dolomite, Pyrite, Quartz |
| Operation type: | Unknown |
| Production size: | Yes |
| Development status: | Unknown |
| Host type: | Limestone,Dolomite |
| Structure: | Southeast Of Wisconsin Dome And On The Gentle West Limb Of Wisconsin Arch. To The South Is Illinois Basin And To The West And Southwest Is Forest City Basin. A Few Minles South O Fthe Zinc-Lead District Is Westward-Trending Savanna-Sabula Anticline. Regional Strike Is N 85 W And The Dip Is South. |
| Tectonic: | Stable Sedimentary Platform Having Later Mild Regional Deformation Sufficient To Produce Major And Minor Folds, Faults, Fracture Zones, And Joints. |
| Alteration processes: | Leaching, Silicification, Dolomitization |
| MRDS | W800259 |
| DEP | 10086353 |
| Reference | COX, G.H., 1914, LEAD AND ZINC DEPOSITS OF NORTHWESTERN ILLINOIS: ILLINOIS GEOLOGICAL SURVEY BULLETIN 21, 120 P |
| Reporter | Hedgman, Cheryl (Cannon, W.), Sutphin, David M., Mason Jr., G.T. |