| Location: | Jo Daviess County, Illinois, United States, North America |
| Lat / long: | 42.43529, -90.42567 |
| dep_id: | 10086337 |
| mrds_id: | W800233 |
| Commodity type: | metallic |
| Major mineral: | Zinc |
| Trace mineral: | Lead |
| Operation type: | Unknown |
| Production size: | Production occurred |
| Development status: | Past Producer |
| ore: | Sphalerite |
| gangue: | Calcite, Dolomite, Pyrite, Quartz |
| model: | 224: Mississippi Valley, S.E. Missouri Pb-Zn |
| alteration: | Leaching, Silicification, Dolomitization |
| conc_proc: | Replacement |
| ore_ctrl: | Jointing |
| Reporter: | Hedgman, Cheryl (Cannon, W.), Sutphin, David M., Mason Jr., G.T. |
| 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. |
| yfp_ba: | < |
| Year first produced: | 1824 |
| dy_ba: | < |
| disc_yr: | 1820 |
| prod_yrs: | WORK BY INDIANS BEFORE 1823; WHEN THE FIRST WHITE SETTLERS ARRIVED, THEY TOOK OVER AND MINED IT FOR MANY YEARS. |
| discr: | Old Buck, A Fox And Sac Indian |
| References: |
- 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.
- Deposit:: WHITNEY, J.D., 1866, GEOLOGY OF THE LEAD REGION: ILLINOIS GEOLOGICAL SURVEY V. 1, P. 153-207.
- Production:: WHITNEY, 1866, P. 203.
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