| Location: | Jo Daviess County, Illinois, United States, North America |
| Lat / long: | 42.38584, -90.39817 |
| dep_id: | 10083189 |
| mrds_id: | W062754 |
| Commodity type: | metallic |
| Major mineral: | Lead, Zinc |
| Operation type: | Unknown |
| Production size: | Production occurred |
| Development status: | Past Producer |
| ore: | Galena, Sphalerite |
| gangue: | Calcite, Dolomite |
| work_type: | Underground |
| model: | 224: Mississippi Valley, S.E. Missouri Pb-Zn |
| alteration: | Leaching, Silicification, Dolomitization |
| conc_proc: | Replacement |
| ore_ctrl: | Northwest Striking Pitches In The Decorah Fm And Galena Dolomite. |
| Reporter: | Sutphin, David M., Mason Jr., G.T. |
| hrock_unit: | Decorah Formation;Galena Dolomite |
| hrock_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. |
| Year first produced: | 1957 |
| discr: | Paul Herbert (Tri-State Zinc, Inc) |
| References: |
- Deposit:: U.S. BUREAU OF MINES, 1995, SPATIAL DATA EXTRACTED FROM THE MINERALS AVAILABILITY SYSTEM/MINERAL INDUSTRY LOCATION SYSTEM (MAS/MILS): U.S. BUREAU OF MINES SPECIAL PUBLICATION 12-95.
- Deposit:: HEYL, A.V., AGNEW, A.F., LYONS, E.J., AND BEHRE, C.H., JR., 1959, THE GEOLOGY OF THE UPPER MISSISSIPPI VALLEY ZINC-LEAD DISTRICT: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 309, 310 P.
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